I will be your expert node js backend developer for developing apis


About this gig
Hi! I'm your expert Node.js backend developer, ready to build fast, scalable, and secure RESTful APIs tailored to your project. Whether you're building a web or mobile app, Ill handle everything from server-side logic to database integration using Express.js, AI services, and modern backend technologies.
I write clean, modular code with full CRUD functionality using MongoDB, MySQL, or PostgreSQL.
⭕ Need user authentication with JWT or OAuth?
⭕ Secure payment integration like Stripe?
⭕ AI chatbot integration using OpenAI, Gemini, Claude, or Llama?
⭕ Custom Business Logic for your Web and Mobile App?
I have got you covered. I also offer robust error handling, API documentation (Swagger/Postman), and third-party integrations (Firebase, Google, Email etc.).
I provide full server deployment support using platforms like Vercel & AWS. With 5+ years of experience, you will get clean code, fast delivery, post-launch support, and unlimited revisions (package-dependent).
Message me first for custom solutions or complex backend logic!
Get to know Abdul Basit
Expert Full stack web and mobile app engineer
- FromPakistan
- Member sinceJan 2023
Languages
English, Urdu, Hindi, German, Chinese
My Portfolio
FAQ
Is the data I’m sharing with you safe and secure?
Yes, 100% secure. I follow best practices in handling sensitive data, and I’m open to signing NDAs for your peace of mind.
Can you integrate OpenAI or other chatbot platforms?
Yes! I can integrate OpenAI (ChatGPT API), Gemini, Claude, Llama, or AI platforms into your backend to power intelligent chatbot experiences
Can you integrate payment gateways like Stripe?
Yes, I can securely integrate popular payment gateway Stripe into your Node.js backend. Whether it's one-time payments, subscriptions, or webhooks, I’ll handle the full setup.
Do you work with both SQL and NoSQL databases?
Yes, I work with MySQL, PostgreSQL, and MongoDB. I’ll help choose the best option based on your project requirements.
Will you document the API for developers?
Yes, I provide clean, organized API documentation using tools like Swagger or Postman collections to help your team understand and use the APIs easily.
Can you fix bugs in my existing Node.js backend?
Absolutely. Whether it's optimizing performance, debugging, or cleaning up bad code, I can jump into your existing project and resolve issues.
What if my requirements don't fit a standard package?
No problem! Just send me a message with your requirements. I’ll create a custom offer tailored to your needs and budget.

