33 Business Ideas For Junior Developers [2024]

Updated: September 21st, 2024

Interested in starting a business as a junior developer in 2024?

If managed well, building a business as a junior developer could be more lucrative than employment. So, which are the best business ideas for Junior developers?

We put together 33 of some of the best junior developer business ideas you can start in today.

For each business idea, we'll show you real-world examples of other junior developer businesses to help you see what it takes.

Here's the full list:

1. Create a shopify app ($52.4K/month)

As a junior developer, entering the booming ecommerce market by creating a Shopify app could be a lucrative side business or even a full-time venture. Shopify apps enhance the functionality of online stores, catering to essential needs like customer engagement, inventory management, and sales optimization. With your coding and UX design skills, you could develop a solution that solves a common problem for store owners, filling a niche within the Shopify ecosystem.

While building a Shopify app isn’t a get-rich-quick scheme—it entails continual development, customer support, and consistent updates to stay aligned with platform changes—the returns can be substantial. Successful apps can generate recurring revenue through monthly subscriptions or one-time fees, providing a sustainable income stream. Plus, the Shopify App Store offers an integrated market for your app, making it easier to reach potential users.

If you have a knack for tech and insights into ecommerce needs, starting a Shopify app is an entrepreneurial opportunity worth exploring. The combination of your skills and dedication could result in creating a valuable tool for thousands of businesses.

How much you can make: $10,000 — $110,000/month

How long does it take to build: 90 days (?)

How We Developed A $29K/Month WhatsApp Plugin For Shopify

SuperLemon, a WhatsApp plugin for Shopify eCommerce stores, crossed $29,000 in MRR as of July 2020, with 20,000 users from 50+ countries and 1700+ paying customers, all acquired through organic marketing strategies and a relentless focus on customer service and satisfaction.

Read by 23,590 founders

2. Start a no code platform ($308K/month)

As a Junior Developer, diving into the world of no-code platforms could be a fantastic opportunity to supplement your income or even kick-start a side business. With these platforms, you could leverage your existing tech knowledge to create applications through intuitive drag-and-drop interfaces, bypassing the need for extensive coding skills. This makes it incredibly accessible and allows you to bring your creative ideas to life quickly and affordably.

Moreover, the demand for digital solutions continues to grow, meaning there's a vast market for innovative tools and applications. By utilizing a no-code platform, you could capture part of this market without the steep learning curve of traditional programming. Whether you aim to build websites, mobile apps, or data analysis tools, this approach democratizes app development and could be your gateway to tech entrepreneurship.

How much you can make: $3,000 — $3,000,000/month

How much does it cost to start: $749 (?)

How long does it take to build: 85 days (?)

How I Started A $7K/Month Marketplace To Connect Companies With No-Code Talent

Codemap.io is a freelance & agency marketplace for no-code, low-code, and automation, enabling anyone to hire no-code experts to build their products, MVPs, and apps up to 10x cheaper and faster than with traditional development, with 900+ clients, close to $2,000,000 in created projects, and 110+ hires made, all achieved in less than 6 months.

Read by 10,783 founders

3. Become a software developer ($51.7K/month)

Starting a software development business could be an incredible opportunity for you as a Junior developer. Your strong technical skills and understanding of how software works could be your foundation for designing, testing, and overseeing the creation of software for various purposes, such as business solutions, personal use, or social networking.

As a Junior developer, you might start by taking on freelance projects to supplement your income. This could help you gain real-world experience and build a portfolio, which is essential when pitching your services to potential clients. Moreover, given the recent trends moving towards mobile apps and cloud-based solutions, you could focus on developing in-demand applications that meet evolving client needs.

Ultimately, creating a software development business aligns well with your current skill set and the industry's growing demand for convenient data and application access. With the high earning potential (averaging around $110,140), this venture could be financially rewarding as you continue to develop professionally.

How much you can make: $500 — $350,000/month

How long does it take to build: 100 days (?)

How We Started A $350K/Month Business Developing Software Tools For Ecommerce Brands

SkyVerge, a software company, has grown rapidly with revenue of $350,000 per month, over 100,000 eCommerce customers, and a globally distributed team of 30 people, all through starting with consulting projects and building focused and solutions-based products, acquiring small products from other developers, and focusing largely on content marketing and providing excellent customer support.

Read by 39,464 founders

4. Start a cocktail ingredient business

As a Junior developer, starting a cocktail ingredient business could be an exciting side hustle or full-time entrepreneurial endeavor that aligns with your passion for technology and creativity. By leveraging your coding skills, you could create an efficient e-commerce platform to sell high-quality syrups, bitters, garnishes, and mixers directly to bars, restaurants, and home enthusiasts. This digital touch could set you apart in the growing mixology market, enhancing your product's accessibility and customer experience.

Embrace the booming trend of craft cocktails by offering premium and unique ingredients that cater to consumers' evolving tastes. As you build this venture, you might automate inventory management or develop a sophisticated CRM system to keep track of customer preferences, ensuring a smooth operational flow.

This dual approach of merging tech with the vibrant world of cocktail ingredients gives you the perfect opportunity to diversify your income while exploring an innovative, profitable market.

How much you can make: $45,000/month

How long does it take to build: 60 days (?)

How I Started A $20K/Month Old Fashioned Cocktail Mixer

How Christopher Thomas turned a struggling cocktail mixer brand into a consistent low five-figure business by investing in e-commerce growth and customer reviews, focusing on all-natural ingredients, and revamping the website and packaging.

Read by 6,152 founders

5. Start a web development business ($91.1K/month)

Starting a web development business could be an excellent avenue for you as a junior developer to supplement your income or build a significant side hustle. With your existing coding and design skills, you could create and maintain websites that fulfill the needs of various individuals or businesses, thereby directly applying what you have learned in your current role.

In this entrepreneurial journey, you could help clients build a strong online presence by ensuring their websites are both functional and visually appealing. This not only enhances your technical abilities but also widens your professional network, potentially leading to more advanced opportunities in the future.

Through a web development business, you could mold a versatile career path, gaining valuable experience in managing projects and understanding client needs, positioning yourself for long-term success in the tech industry.

How much you can make: $3,000 — $700,000/month

How much does it cost to start: $3,000 (?)

How long does it take to build: 60 days (?)

I Built A $300K/Year Vue.js Component Library

Vuetify is a popular open-source user interface library, built with the Vue.js framework, that generates revenue through digital content and services such as paid digital content in the Vuetify store, direct support through consulting, ad revenue from Carbon ads on the documentation pages, and donations/sponsorships via GitHub and Patreon, generating an average income of $6,500 per month.

Read by 46,502 founders

6. Become a freelance web developer ($55.2K/month)

Are you passionate about technology and looking for a way to earn extra income while working on your terms? How about becoming a freelance web developer? Web development is a highly sought-after skill in every industry, with pay rates often higher than those for freelance writers and graphic designers.

As a Junior developer, you could learn languages like HTML, CSS, and JavaScript to get started. By finding a niche and building your portfolio, you could create a personal brand that demonstrates your value proposition to potential clients. This not only supplements your income but could also potentially grow into a full-time business.

How much you can make: $6,000 — $148,000/month

How much does it cost to start: $2,500 (?)

How long does it take to build: 90 days (?)

How I Started A $750K/Year Web Development Agency

Cantilever Web Design and Development, with clients including IBM and small businesses, reached a revenue of over $750k last year with a gross margin of 50% by prioritizing Digital Hospitality, fostering high-quality relationships, and constantly improving their process and philosophy.

Read by 42,602 founders

7. Start a micro saas ($83.3K/month)

Starting a micro-SaaS business could be a compelling way for you, as a Junior Developer, to supplement your income or even create a full-fledged side business. By focusing on niche markets, you could develop highly targeted software solutions that address specific problems for distinct customer segments. This allows you to differentiate yourself from broader SaaS providers and build strong relationships with your users.

Your technical skills would serve as a strong foundation for identifying unique issues and developing intuitive solutions. Moreover, working in a micro-SaaS environment offers the opportunity to gain in-depth knowledge of your customers’ needs, helping you refine your product based on direct feedback. By prioritizing continuous improvement and customer satisfaction, you could ensure the long-term success and scalability of your micro-SaaS venture.

How much you can make: $117 — $1,766,666/month

How much does it cost to start: $500 (?)

How long does it take to build: 60 days (?)

How We Developed A $29K/Month WhatsApp Plugin For Shopify

SuperLemon, a WhatsApp plugin for Shopify eCommerce stores, crossed $29,000 in MRR as of July 2020, with 20,000 users from 50+ countries and 1700+ paying customers, all acquired through organic marketing strategies and a relentless focus on customer service and satisfaction.

Read by 23,590 founders

8. Start a video content creation business ($125K/month)

Starting a video content creation business could be an excellent opportunity for a Junior developer looking to supplement their income or launch a side hustle. You could produce a variety of videos for clients, ranging from promotional content to social media clips and tutorials, leveraging your technical skills and creativity.

Given the surging demand for video content across multiple platforms, you'll find a significant market waiting for your services. Whether it's small businesses aiming to enhance their online presence or influencers in need of polished video content, you could easily find clients who appreciate your work.

To embark on this venture, you would require some basic video equipment, editing software, and a strong portfolio to attract clients. By putting in the effort to understand and meet your clients' needs, you could consistently deliver high-quality content and carve a niche for yourself in this growing industry. For an entrepreneurial-minded Junior developer, a video content creation business offers a realm of exciting possibilities and potential.

How much you can make: $7,000 — $500,000/month

How much does it cost to start: $2,500 (?)

How long does it take to build: 135 days (?)

How We Started A $30K/Month Ecommerce Video Marketing Business

Silksocial produces rockstar video ads for eCommerce brands, with a turnover of around $30K/month and a focus on differentiation through a deep understanding of e-commerce video ad production techniques that optimize investment returns.

Read by 7,167 founders

9. Start a product ratings & reviews ($28.9K/month)

By starting a product ratings and reviews business, you could leverage your junior developer skills to create a website or app where users share their opinions on various products. This entrepreneurial endeavor perfectly blends your technical prowess with a keen eye for identifying market needs, all while providing a valuable service to consumers looking for trustworthy feedback.

As a junior developer, you could build the platform yourself, keeping costs low and maintaining control over the user experience and technical functionalities. Monetization opportunities abound through partnerships with e-commerce stores or manufacturers eager to showcase their products. Additionally, you could offer advertising space or promote affiliate products, thereby creating multiple revenue streams.

Managing user-generated content and marketing the platform would require effort, but these tasks are manageable and can scale as your business grows. This venture not only supplements your income but also enhances your portfolio, especially in areas like web development, user experience, and digital marketing. It's an excellent way to combine your current skills with entrepreneurial ambitions.

How much you can make: $40 — $110,000/month

How much does it cost to start: $750 (?)

How long does it take to build: 65 days (?)

I Quit My 9 To 5 & Built An Affiliate Site Making $40K/Month

Matt Oney quit his full-time job to pursue his side hustle full-time: an affiliate marketing-based content site called ZenmasterWellness that generates around 80k monthly visits and average monthly revenue of about $40,000 by leveraging SEO and affiliate partnerships.

Read by 10,859 founders

10. Start a productivity tool ($71.3K/month)

As a Junior Developer, you could leverage your programming skills and creative thinking to develop a productivity tool that addresses a specific challenge faced by professionals or businesses. Given the high demand for solutions that streamline workflows and improve efficiency, identifying a niche such as project management or time tracking can set you on the path to success. Focus on creating a user-friendly tool that emphasizes simplicity and effectiveness, enhancing the user experience.

Moreover, the journey doesn’t end with development; you could market your productivity tool by showcasing its benefits and offering a free trial to capture initial users. This strategy allows potential customers to experience the value of your solution firsthand, increasing the likelihood of conversions. By taking these steps, you could turn a side project into a profitable business venture in the thriving productivity software market.

How much you can make: $30 — $500,000/month

How much does it cost to start: $1,000 (?)

How long does it take to build: 90 days (?)

I Built A Website Blocker That Generates $100K Per Year @ 95% Profit

Learn how a designer and developer from Indonesia created Session, an app that helps people stay focused by blocking distractions, which currently makes $5.8K per month in revenue through its freemium business model.

Read by 16,878 founders

11. Start a b2b lead generation service ($172K/month)

As a Junior Developer with a knack for sales, data analysis, and building relationships, starting a B2B lead generation service could be a highly rewarding venture. B2B lead generation involves identifying potential business clients and establishing contact to foster potential deals, a service that mitigates the daunting task many companies face of finding high-quality leads.

You could leverage your technical skills to use research and technology tools to build a robust pipeline of prospective clients for other businesses. Given that every business needs a steady flow of leads to grow, demand for this service is high, offering you both scalability and constant demand. This not only opens up a lucrative side business opportunity but could also evolve into an entirely new business venture, making a significant impact in the business world.

How much you can make: $500 — $1,250,000/month

How long does it take to build: 165 days (?)

How I Started A $12K/Month Digital Marketing Agency While Traveling Around The World

A 20-year-old digital nomad and serial entrepreneur shares his journey of starting a successful digital marketing agency, Nomads with Solutions, which specializes in Facebook lead generation, and offers insights on client acquisition, personal branding, and focusing on self-improvement.

Read by 10,062 founders

12. Start a SEO services ($87.4K/month)

As a Junior developer, starting an SEO services business could be a great way to supplement your income or even build a full-fledged side business. With your technical skills, you could dive into tasks like optimizing website content, building quality backlinks, and conducting keyword research, which are essential for improving a business's visibility on search engines like Google.

This venture is particularly appealing because it requires minimal upfront investment; all you need is a computer, an internet connection, and some basic SEO knowledge. You could target small businesses looking to enhance their online presence, offering them a cost-effective solution for better search engine rankings.

By leveraging your existing technical skills and expanding into SEO, you could create a new revenue stream without straying too far from your current career path.

How much you can make: $3,000 — $800,000/month

How much does it cost to start: $1,000 (?)

How long does it take to build: 60 days (?)

How I Started A $28K/Month Boutique SEO Company

This case study describes the journey of Russell Michelson who, after leaving his corporate job, turned his WordPress skills into a thriving boutique SEO agency earning $20k/month, thanks to client referrals and Upwork.

Read by 9,629 founders

13. Start an online reputation management business ($167K/month)

As a Junior developer, you could leverage your technical skills to start an online reputation management (ORM) business. This venture involves helping individuals and companies improve their digital footprints by curating positive web content and mitigating damaging commentary through search engine optimization (SEO) and public relations strategies.

With your background in development, you could seamlessly handle tasks like social media cleanup and blog outreach, utilizing your coding and technical know-how to enhance clients' online narratives. This accessible startup model allows you to monetize your internet influence from anywhere, diving into a billion-dollar industry that serves both business and personal brands.

Starting an ORM business could not only supplement your income but also provide valuable experience in an entrepreneurial setting, expanding your portfolio beyond mere development work.

How much you can make: $710 — $550,000/month

How long does it take to build: 60 days (?)

I Bootstrapped A $3.6M/Year Online Review Software In 180 Days

ReputationStacker is a subscription software that simplifies and automates the process of getting more online reviews, helping businesses to manage their online reputation and grow their customer base; currently generating over $300k monthly revenue with low churn rates and a strong customer support team.

Read by 11,505 founders

14. Start an ecommerce management software ($536K/month)

As a Junior Developer, you could explore the realm of ecommerce management software to supplement your income or even build a full-fledged business. This venture involves creating a platform that streamlines inventory management, sales tracking, and customer interactions for online retailers, easing their operational burdens.

By leveraging your developing technical skills, you could design smart, intuitive solutions that automate critical ecommerce tasks, reducing time spent on mundane processes and minimizing errors. Given the high demand for efficient ecommerce tools, especially among small businesses aiming to optimize their operations, this area offers substantial entrepreneurial opportunities for those ready to put in the effort.

How much you can make: $5,000 — $2,400,000/month

How much does it cost to start: $6,500 (?)

How long does it take to build: 90 days (?)

How We Started A $30M/Year Warehouse Management Software And Outsourced Ecommerce Fulfillment Business

ShipHero co-founders built their successful e-commerce fulfillment business, offering warehouse management software and outsourced eCommerce fulfillment, growing revenues from zero to $30 million annually, processing over $5 billion of e-commerce gross merchandise volume (GMV) annually while only having received $435,000 in outside capital investment.

Read by 9,379 founders

15. Start a data mining and analytics tools business ($237K/month)

If you could turn raw data into actionable insights, you might consider starting a data mining and analytics tools business. This venture involves developing software that extracts, processes, and analyzes vast amounts of data to uncover patterns, trends, and insights. As a Junior developer, you already have the foundational programming knowledge to begin building these tools, and you can further enhance your skills in statistics and machine learning to create more sophisticated solutions.

Starting this business involves identifying key industries that would benefit from advanced data analysis, such as finance, healthcare, and retail. You could provide these industries with the intelligence they need to make data-driven decisions, thus pioneering their success and driving industry transformations.

With the demand for data-driven decision-making skyrocketing, there is a growing market for innovative analytics solutions. This business idea combines technical skill with a deep understanding of market needs, offering a challenging yet rewarding entrepreneurial opportunity.

How much you can make: $450 — $1,500,000/month

How much does it cost to start: $750 (?)

How long does it take to build: 107 days (?)

How We Developed A $40K/Month Email Parser Application

Parseur, the data extraction tool, helps businesses automate their data entry process, catering to multiple industries such as food delivery, real estate and marketing, and has grown to over $40k in revenue per month since its launch in 2017.

Read by 10,498 founders

16. Start a social media automation business ($139K/month)

As a Junior Developer, you could leverage your technical skills to start a social media automation business, where you create tools and services to streamline social media management. This could involve developing software to schedule posts, automate interactions, and analyze data across various platforms—a service that small businesses and influencers are willing to pay for to save time and boost engagement.

Given the increasing necessity for strategic social media engagement, there's a significant demand for automation in this area. Embracing this opportunity could not only supplement your income but also allow you to utilize and expand your coding skills, keeping you at the forefront of both technology and marketing trends.

If you have a knack for technology and an interest in marketing, this could be a lucrative and fulfilling venture. Building relationships with clients to tailor your solutions to their needs would be key, ensuring you consistently deliver value and drive growth for their online presence.

How much you can make: $4,000 — $400,000/month

How long does it take to build: 50 days (?)

How I Bootstrapped A Social Media Automation Tool To $2MM/Year

MeetEdgar, a bootstrapped social media automation tool founded in 2014 by Laura Roeder, has grown to $4 million in annual recurring revenue and more than 5,000 customers, with a team size of two dozen, achieved through content marketing, social media marketing, and organic search.

Read by 15,250 founders

17. Start a writing & editing business ($213K/month)

As a junior developer, starting a writing and editing business could be an excellent way to supplement your income and diversify your skill set. Given your familiarity with technical concepts, you could target a niche market by offering specialized services such as creating technical documentation, writing blog posts about development practices, or editing software manuals. This would not only provide you with extra money but also help you establish a reputation in both the development and writing communities.

Additionally, the earning potential in the writing and editing field is significant, especially if you freelance. By proving yourself as an expert in technical writing, you could expand your network and uncover new opportunities within the tech industry. Moreover, it offers the flexibility to steer your career in various directions, such as content creation for tech websites, contributing to reputable magazines, or even writing a book that reaches a global audience.

How much you can make: $2,000 — $2,000,000/month

How much does it cost to start: $500 (?)

How long does it take to build: 75 days (?)

Time commitment per week: Min. -1 hours/week

The App I Built In 12 Hours Now Makes $15K/Mo

A founder shares how he built AudioPen.ai, a tool that transcribes voice notes, generating $15,000 monthly with minimal costs and no paid marketing, highlighting the importance of focusing on the product, word of mouth, and personal communication with users for sustainable growth.

Read by 14,351 founders

18. Start an online newsletter writing business ($596K/month)

Starting an online newsletter writing business could be a fantastic way for you, as a Junior developer, to supplement your income or even build an entirely new side business. Leveraging your technical skills, you could create valuable content that targets a niche audience, such as fellow developers, tech enthusiasts, or industry-specific professionals. By providing regular updates, insights, and news related to your chosen niche, you could attract subscribers who are keen to stay informed.

To get started, you could select an email newsletter tool and clearly define your newsletter’s goals. Whether you opt to send updates weekly or monthly depends on the depth and volume of your content. By personalizing templates and ensuring the content meets reader expectations, you could build a loyal subscriber base, turning your newsletter into a successful business venture.

How much you can make: $500 — $4,100,000/month

How much does it cost to start: $500 (?)

How long does it take to build: 30 days (?)

How I Launched A $1.5K/Month Science Box For Kids During COVID-19 Quarantine

College student, Whitney Bowen, launched Fem 'n STEM during the COVID-19 lockdown selling STEM boxes for kids between the ages of 8-12 and has earned $1.5k in monthly revenue within the first month of launch using social media to advertise and using WIX to create an online store.

Read by 7,742 founders

19. Start a social media advertising specialist business ($106K/month)

As a Junior Developer, you could leverage your technical skills to start a social media advertising specialist business, tapping into platforms like Instagram, Facebook, Twitter, and TikTok to promote products or services. You already have a knack for technology, so grasping modern social media marketing concepts and analytics tools should come naturally to you.

By designing unique advertising plans tailored to specific audiences, you could effectively reach new customers and engage existing ones. This entrepreneurial venture could supplement your income or even grow into a full-fledged business, utilizing your understanding of algorithms, data analysis, and user behavior. Embrace the opportunity to blend creativity with technical expertise, making a substantial impact in the digital marketing landscape.

How much you can make: $10,000 — $500,000/month

How much does it cost to start: $350 (?)

How long does it take to build: 60 days (?)

I Started My Own $20K/Month Social Media Marketing Agency

This case study follows Kelsey Chance and her creative agency, Good Chance Creative, which specializes in social media content creation, and in just 3 years she has grown her one-woman business to make $20,000 in monthly revenue through a niche in small in-house marketing teams and start-ups managing their social content, with key services including lifestyle brand photography, social media account management, copywriting, and eCommerce strategy consulting.

Read by 7,189 founders

20. Become a meditation coach

As a Junior developer, starting a side business as a meditation coach could be a rewarding way to supplement your income. By helping clients achieve mental clarity and relaxation through guided breathing and concentration exercises, you could move beyond coding to positively impact their well-being. This entrepreneurial venture allows you to leverage your problem-solving skills in a new and meaningful way.

Additionally, as a meditation coach, you could enjoy the flexibility of defining your working hours, making it easier to balance this with your primary developer role. This dynamic career path could also offer you the chance to connect with a diverse range of individuals, adding richness to your personal and professional life. By combining your technical skills with the ability to guide others toward mental peace, you could create a fulfilling and lucrative side business.

How much you can make: $3,000/month

How long does it take to build: 330 days (?)

I Left My Old Career & Started A Meditation Online Courses Business

Meditation company MindEasy offers personalized, relevant courses to help people find their way into mindfulness and meditation in a way that helps them achieve their career and personal goals, with focus on mental optimization, health and wellbeing, and spiritual approaches.

Read by 3,997 founders

21. Start a kaolin mining business

If you're a Junior developer with an entrepreneurial spirit, starting a kaolin mining business could be an intriguing venture to diversify your income stream. Kaolin, a clay mineral used in essential industrial processes such as manufacturing porcelain, paper, rubber, and paint, provides a lucrative market opportunity. While this business requires significant capital investment in heavy machinery and skilled labor, its profitability could make it worthwhile.

By leveraging your problem-solving skills and analytical thinking as a developer, you could effectively manage the technical and logistical aspects of the mining operation. Additionally, the knowledge gained from encountering new challenges can be an invaluable asset in both your primary and side business roles. Though you'll need to navigate legal requirements and hire experienced professionals, the potential financial rewards make this an appealing option for those willing to invest the time and resources.

22. Start a fictional novels business

As a Junior developer, diving into the realm of fictional novels could allow you to harness both your creativity and technical skills. Creating and publishing imaginative stories in genres like fantasy, romance, and sci-fi not only provides an outlet for your narrative talents but also uncovers the complexities of market trends, audience targeting, and the publishing process. You could use platforms like Amazon Kindle Direct Publishing to manage logistics, allowing you to concentrate on crafting captivating stories.

This entrepreneurial path involves wearing multiple hats: author, marketer, and distributor. For those with a knack for storytelling, this venture offers a unique blend of creativity and business acumen. By building a loyal fanbase and exploring diverse genres, you could turn your passion for storytelling into a lucrative side business, or perhaps even a full-fledged career.

How much you can make: $10,000/month

How long does it take to build: 165 days (?)

How I Created A $60K/Year Software For Novel Writers

"How this founder created a successful novel-writing software now earning over $60k a year through her passion for writing and background in software, growing from just a few sales a month to over 1000 free trial sign-ups and 100 new subscriptions per month."

Read by 3,479 founders

23. Start a startup instructing business ($28.4K/month)

Starting a startup instructing business could be a rewarding venture if you’re a junior developer with an entrepreneurial mindset. As someone with a technical background, you could offer guidance on business planning, marketing strategies, and the overall direction for tech-focused startups. This is particularly valuable for individuals and small businesses that may lack the technical knowledge to get their ideas off the ground.

To begin on a budget, identify which areas you're most knowledgeable in, such as software development, project management, or digital marketing. Then, create a basic website or social media profiles to showcase your services and attract potential clients. Offer affordable rates initially to build your reputation through satisfied customers and word-of-mouth referrals, enabling you to gradually grow a sustainable side business or even transition into a full-time venture.

How much you can make: $1,000 — $100,000/month

How much does it cost to start: $500 (?)

How long does it take to build: 75 days (?)

How I Launched A $5K/Month Platform To Connect With Growth Mentors

GrowthMentor, a platform connecting vetted growth mentors for one-on-one calls, founded by Fotis Panagiotakopoulos, has had over 2,500 mentorship calls booked to date and has seen success in using word of mouth, content marketing, and leveraging other people's networks as the primary drivers of customer acquisition.

Read by 46,029 founders

24. Start a smart camera business

Starting a smart camera business could be an excellent opportunity for a Junior developer to supplement your income and even pave the way for a full-fledged business. The smart camera market leverages AI technology to not just capture images but also analyze and enhance them in real-time, catering to a variety of markets from home security to professional photography. This innovation aligns perfectly with your coding skills and interest in cutting-edge technology.

You'd have the chance to delve into product development, supply chain management, and form valuable tech partnerships. The consumer interest in smart home devices and professional photography gear is on the rise, presenting a promising market opportunity. If you're intrigued by technology and keen on solving real-world problems, developing intelligent cameras that simplify life or professional tasks could be incredibly rewarding.

How much you can make: $18,000/month

How much does it cost to start: $1,500 (?)

How long does it take to build: 30 days (?)

How I Started A $18K/Month Smart Home Appliances Online Store

A 21-year-old student from Athens who runs an eCommerce store selling garage door motors in Greece has managed to achieve a turnover of $17,000 a month despite being only 6 months old, which he hopes to boost through increased growth of garage door accessories under his own brand.

Read by 5,743 founders

25. Start a referral software business

One promising avenue for making extra money as a junior developer is starting a referral software business. By leveraging your coding skills, you could create a platform that enables companies to reward their existing customers for bringing in new ones, harnessing the power of word-of-mouth marketing. This type of business focuses on developing user-friendly software that seamlessly integrates with clients' CRM systems, offering automated and trackable referral programs.

The beauty of referral software lies in its scalability and the growing demand for affordable customer acquisition strategies. With a well-crafted subscription model, you could generate recurring revenue, paving the way for long-term profitability. While the initial investment may involve hiring skilled developers and executing a solid marketing strategy, the considerable potential for business growth makes it a compelling opportunity for entrepreneurial junior developers.

How much you can make: $100,000/month

How long does it take to build: 60 days (?)

How We Developed A $25K/Month Referral Software For Tech Startups

Co-founders of B2B SaaS startup GrowSurf, Derek and Kevin, developed a referral software for tech startups that has brought in around $25k MRR with a 6% monthly growth rate, overcoming generic messaging and a compromised product that wasn't a good fit for anyone.

Read by 7,907 founders

26. Start a freelancer community ($149K/month)

As a Junior developer, starting a freelancer community could be a fantastic way to supplement your income and potentially grow it into a full-fledged business. Imagine creating a dedicated platform where freelancers from various fields—such as writers, designers, and developers—can network, share resources, and find job opportunities. This not only allows you to support fellow freelancers but also positions you as a key player in a thriving, collaborative environment.

You could focus on providing job listings, project collaboration tools, and professional development resources, enhancing the value of your community. Your passion for building and nurturing connections will be crucial as you invest time in moderating, curating content, and engaging with users. If you're driven by the idea of helping freelancers succeed, starting a freelancer community could be the perfect entrepreneurial venture for you.

How much you can make: $1,000 — $500,000/month

How much does it cost to start: $1,000 (?)

How long does it take to build: 60 days (?)

How I Started A $7K/Month Marketplace To Connect Companies With No-Code Talent

Codemap.io is a freelance & agency marketplace for no-code, low-code, and automation, enabling anyone to hire no-code experts to build their products, MVPs, and apps up to 10x cheaper and faster than with traditional development, with 900+ clients, close to $2,000,000 in created projects, and 110+ hires made, all achieved in less than 6 months.

Read by 10,783 founders

27. Start a niche newsletter ($38.1K/month)

As a Junior Developer, you could harness your technical insights and experiences to start a niche newsletter. Focus on areas you are passionate about or have specialized knowledge in, like coding tips, emerging tech trends, or developer career advice. There is a strong demand for high-quality, focused content, and a well-curated newsletter could satisfy that need.

Creating a niche newsletter involves conducting consistent research, crafting engaging content, and employing marketing techniques to grow your subscriber base. You could even monetize your newsletter through sponsorships or advertisements, turning it into a profitable side hustle. With dedication, this venture could provide not only supplemental income but also enhance your professional standing in the tech community.

How much you can make: $400 — $250,000/month

How much does it cost to start: $3,055 (?)

How long does it take to build: 30 days (?)

How My Blog With Body-Safe Sex Toys Reviews Turned Into A $2K/Month Side Hustle

Sex blogger turns a free WordPress blog into a $2,000 a month part-time digital business by investing in education, self-hosting, and building relationships within the NSFW community.

Read by 18,396 founders

28. Start an assisted suicide clinic business

Starting an assisted suicide clinic business may seem unconventional for a Junior developer, but it presents unique opportunities to leverage your technical skills. You could develop a highly secure, intuitive online platform to manage patient records, consent forms, and communication, ensuring compliance with legal and ethical standards. Additionally, creating a seamless user experience for both patients and healthcare professionals could differentiate your clinic from competitors.

Furthermore, you could utilize data analytics to offer insights into patient care and improve service delivery. This business would also offer a meaningful mission, providing compassionate end-of-life care, which might attract both investors and partners. Combining your coding expertise with a compassionate service could make a significant social impact while supplementing your income or even becoming your primary business venture.

29. Start a boating training business

If you love water activities and are looking for an entrepreneurial opportunity that blends with your passion, starting a boating training business could be an exciting venture. As a junior developer, your tech skills could help build an online presence, streamline bookings, and enhance customer engagement through a customized app or website.

With the rising interest in water sports and fishing, there's an increasing demand for boating lessons. You could offer classes ranging from basic introductions to advanced lessons for deep-sea boating, and even cover boating safety and environmental care. This diversity not only broadens your client base but also lets you tap into various niche markets.

To get started, identify your target market and acquire the necessary equipment. Your technical skills as a developer could be leveraged to advertise your services effectively online and manage bookings efficiently, ensuring a smooth and scalable growth path for your business.

30. Start a fitness equipment manufacturer

As a Junior developer with a knack for design and construction, starting a fitness equipment manufacturing business could be a lucrative side hustle or full-fledged business venture. Leveraging your technical skills, you could design and build high-quality weight benches, weight stands, and squat stands in a well-equipped workshop.

Your development background would also come in handy for marketing your products, allowing you to create a compelling online presence and e-commerce platform to sell directly to consumers. There's also the potential to scale by selling wholesale to national and specialty retailers, making this a versatile and expandable business opportunity.

By merging your programming knowledge and design capabilities with strategic marketing, you could tap into the lucrative fitness market and significantly supplement your income.

How much you can make: $771,000/month

How long does it take to build: 120 days (?)

How I Turned My Father's Side Venture Into A $9.25M/Year Home Gym Equipment Brand

Ironmaster, a multi-million dollar company, manufactures and sells their brand of home gym fitness equipment domestically and in over 20 international markets, with their top-selling product being a patented adjustable dumbbell system called Quick-Lock Dumbbells, providing quality strength training gear for individuals who want to have their gym at home.

Read by 5,372 founders

31. Start a vacation rental amenity kits business

Starting a vacation rental amenity kits business could be a rewarding side venture for a Junior developer looking to supplement their income. Leveraging your technical skills, you could create an online storefront or e-commerce platform to sell curated kits tailored to vacation rental properties. This could include essentials like toiletries, snacks, and local specialty items, all conveniently packaged for hosts to offer their guests.

As a Junior developer, your ability to integrate payment systems, manage inventory through software tools, or develop a sleek, user-friendly website could give you a competitive edge in the market. Additionally, by using your knowledge of online marketing and SEO, you could effectively reach vacation rental owners looking for these types of amenity solutions. In the process, you'd be combining your tech skills with a tangible product offering, creating a well-rounded entrepreneurial endeavor.

32. Start a fitness equipment business ($17.5K/month)

Starting a fitness equipment business could be a lucrative side venture for a junior developer, especially given the ever-growing demand for health and wellness products. By leveraging your technical skills, you could develop a user-friendly online store and efficiently manage the backend logistics involved in sourcing high-quality fitness gear. Whether it's home gym setups or specialized equipment for various exercises, there's a vast market waiting to be tapped.

You could use your coding expertise to implement effective digital marketing strategies and analytics to gauge user behavior, ensuring your product offerings and website experience align with customer needs. Partnering with influencers could also help amplify your brand's reach, making your entry into the fitness market smoother. While the initial setup may involve some effort in product sourcing and logistics, the long-term rewards not only promise financial gains but also the satisfaction of contributing to people's health and wellness.

How much you can make: $10,000 — $25,000/month

How long does it take to build: 1 days (?)

How We Launched A $25K/Month Interactive Live Streaming Group Fitness Workout Platfrom During The Pandemic

Sweat from Home is a two-way, interactive, and live-streaming group fitness workout startup that has held over 800 classes since March 2020, generates $25k in monthly recurring revenue, and has donated over $7k to 6 different charities; they aim to become the world's best live-streamed fitness class.

Read by 9,185 founders

33. Start an AI-based business ($27.9K/month)

Starting an AI-based business as a Junior Developer could be an exciting and lucrative way to supplement your income or even kickstart a full-fledged enterprise. AI technologies offer the opportunity to revolutionize traditional sectors by automating tasks, optimizing processes, and providing insightful analytics. This could mean developing AI-driven customer service bots that streamline client interactions or building predictive analytics tools for industries like healthcare.

The appeal of AI is clear: businesses seek efficient operations, cost reductions, and innovative solutions, all of which AI can deliver. For someone with your tech-savvy background and a keen interest in emerging technologies, diving into the AI field could position you at the forefront of the next major technological wave. By leveraging your programming skills and enthusiasm for innovation, you could create impactful AI solutions that address real-world problems.

How much you can make: $100 — $200,000/month

How much does it cost to start: $500 (?)

How long does it take to build: 40 days (?)

How I Started A $10K/Month App Building Agency Using No/Low Code Tools

LowCode Agency uses no/low code tools to build custom-made apps at 80% lower cost and 70% faster than traditional app development agencies, growing double digits every month and targeting $150,000 in sales in their first year.

Read by 21,003 founders

meet the author
Pat Walls