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Top freelance API developers available to hire

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Freelance API Developer - Avaiya Laleet
Freelance API Developer5.0 (132 reviews)

Laleet is a software engineer passionate about modern web development. For the past 8 years, he's been building, developing, and supporting various web applications built in React, Next js and Angular. Equally capable of leading teams and delivering directly, Laleet worked with hundreds of developers from different organisations to solve their technical problems and bugs. He learns fast, communicates well, welcomes challenges, and has excellent debugging skills.

Freelance API Developer - Rajesh Dhiman
Freelance API Developer5.0 (9 reviews)

**Stuck on a tricky bug in your AI-generated code? Need to turn a fragile prototype into a production-ready app?** I'm a **senior AI engineer** who specializes in solving the unique challenges of building with LLMs and automation tools. As an expert in both **AI code rescue** and **workflow automation**, I can help you with: * **Debugging Tricky AI Code:** We'll jump on a call and fix that bug in your `LangChain`, `OpenAI`, or `Replit` project. * **MVP Code Reviews & Hardening:** I'll perform a detailed review of your prototype for security, scalability, and best practices to get it ready for launch. * **Building Custom AI Workflows:** As a freelancer, I can architect and build the efficient automations your business needs. * **Career Mentorship:** I can guide you on the path to becoming a highly skilled AI Automation Engineer. --- ### **Example Freelance Engagements** Below are examples of common freelance projects I can help you with. If your project looks like one of these, send me a message with the details, and I can provide an hourly estimate. * **AI-Generated MVP: Code Review & Hardening Plan** * I perform a comprehensive review of your prototype's codebase. You'll receive a detailed report covering security vulnerabilities, scalability issues, and a concrete action plan to get your MVP production-ready. * **Build a Custom AI Automation Workflow** * I work with your team to map out a key business process and build a robust AI-powered automation to improve efficiency. Ideal for sales, marketing, or internal support workflows. --- My stack includes `Node.js`, `Python`, `React`, `LangChain` & `OpenAI`. Let's solve your problem—**book a session or send me a message!**

Freelance API Developer - João Vitor Boverio da Silva Gomes
Freelance API Developer5.0 (11 reviews)

Results-driven engineering leader with 10+ years of experience spearheading AI, Software and ML initiatives. Proven track record of driving innovation, managing cross-functional teams, and delivering high-impact projects in both public and private sectors. Expertise in leveraging cutting-edge technologies to solve complex business challenges and mentor next-generation talent.

Freelance API Developer - Aniroodh Parashar
Freelance API Developer5.0 (98 reviews)

Software Engineer with 9.5+ years of experience in web development, backend development, and server architecture. Expertise in building and maintaining various web/backend solutions, from automobile websites to job portals to freelance platforms with live chat integration . Proficient in server architecture setup, deployment, and optimization. I will give a **full refund** if I am not able to help.

Freelance API Developer - Matei Copot
Freelance API Developer5.0 (7 reviews)

I'm Matei, a full-stack developer with over 10 years of experience, specializing in JavaScript, React, and Node.js. I help developers at all levels overcome challenges, from debugging complex issues to understanding core concepts. My approach is patient and tailored to your needs, ensuring you gain confidence and clarity in your coding journey. Format: - regular (long term) or one-time - for any level (beginner/intermediate/advanced) - 45-90min sessions, up to 6hrs on request - personalized take-home tasks & resources Availability: - until Jul 15: 4:00-6:00, 15:00-18:00 UTC - after Jul 15: 4:00-18:00 UTC - last minute or late night sessions on request (email matei@copot.eu) Technologies: - JavaScript: ESNext, NodeJS/Deno, TypeScript, React, Vue, NodeMCU, & more - Front-end Web Dev: HTML5, CSS3, responsive design, PWAs, SPAs, & more - Back-end Web Dev: Express/NextJS APIs, Python, AWS, Docker, SQL, PHP, & more - App Dev: Mac/Linux & Android, Electron, Expo, Python, Stripe, UX, & more - others: always curious about other technologies, e.g. haskell, ruby, WASM, WebGL... = Why me? I'm typically paid €100/hr by top companies, so the lower rate here means you're getting top-tier expertise at an accessible price. I enjoy mentoring because it brings variety and a more collaborative and relaxed dynamic. I have a proven track record of guiding learners from zero experience to landing high-paying jobs. My teaching adapts to your pace and goals — you'll always get honest, actionable advice, including what’s realistic and what’s not. If you're serious about growing your skills or career in tech, I’d be glad to support your journey.

Freelance API Developer - RajhaRajesuwari S
Freelance API Developer5.0 (2368 reviews)
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MY WORK HOURS : 7AM to 11 PM INDIAN STANDARD TIME . 16 HOURS A DAY :) I am an experienced full stack developer 15 years in the field with consistent knowledge in developing web portals with expertise in all opensource of PHP like Wordpress , Opencart, Oscommerce, Shopify, Magento, Joomla and all frameworks of PHP - cake php , larvel, CodeIgniter, YII . I do also offer services in SEO, Malware removal, speed optimizations , Skilled with Javascript ,Node js and React . Hence moving forward with full stack development Faster delivery and 24/7 communication are my greatest plus. I do have a team of 10 . 2 designers and 8 coders to support on large scale web developments

Freelance API Developer - Noah Salako
Freelance API Developer5.0 (3 reviews)

With more than 8 years of experience working with companies and on my own projects. My strongest skills lie around Javascript, Typescript, Node JS, Nest JS, Redis, React, React Native, Next JS, Vue, Nuxt JS, Laravel, Devops (Kubernetes, CI/CD, GCP, AWS etc) and whetever solution the project needs. I have a passion for learning new technologies and I am always looking for new challenges.

Freelance API Developer - Mr. Rizwan
Freelance API Developer5.0 (13 reviews)

Hi! I'm Experienced Full-Stack Web Developer (Angular, React, Javascript, NodeJs), Use my powers to turn your dreams into reality. I learned to program making websites from scratch with HTML, CSS, Javascript, React, Redux, Angular, NodeJs, Express and MongoDB. MERN stack (MongoDB, Express, ReactJS, and NodeJS). MEAN stack (MongoDB, Express, AngularJs, and NodeJS). Wordpress (Custom Themes, Modifications, Performance... ) This means that you can ask me for help on anything related to Javascript, HTML, CSS (and SCSS/Sass of course), responsive/mobile websites, usability an so on. With 9 years of experience developing software, I always advocate for the best available solutions and the cleanest code. I also love to explain how and why the code works so you can also learn more from it.

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Frequently asked questions

How long do API projects normally take?

The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance API project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance API request on Codementor, check out our article.

How much does it cost to hire a freelance API developer?

We don’t charge anything when you post a freelance hiring request for API developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.

What makes Codementor API developers different?

We do a comprehensive technical and communications screen of all API developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing API developers’ user satisfaction rates.

What happens if I’m not happy with the freelancer’s work?

As a platform, we strive to ensure you’re always happy with your API project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.

For more answers to frequently asked questions, see here.

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