I will build node js rest apis and third party integrations


About this gig
Need a secure backend, custom REST APIs, or third-party integrations for your web application?
You're in the right place!
I'm a Full Stack Developer with 4+ years of experience building scalable Node.js backends, REST APIs, and secure integrations for startups and businesses. Whether you're building a new backend or improving an existing one, I'll deliver clean, reliable, and production-ready backend solutions and API integrations.
What I Can Build:
- Node.js & Express.js Backend Development
- Custom REST API Development
- API Integration & Third-Party Services
- Authentication & Authorization (JWT, OAuth)
- Stripe Payment Integration
- OpenAI & AI Feature Integration
- Firebase & Supabase Integration
- MongoDB, PostgreSQL & MySQL Database Design
- CRUD APIs & Database Operations
- Webhooks & Cloud Integrations
- API Performance Optimization
I focus on building secure, scalable, and maintainable backend systems and Rest APIs that will support your business and help it grow.
Send me a message before placing an order so we can discuss your requirements and choose the best solution for your project.
Get to know Tanzila H
Full Stack Developer for Custom SaaS, Web Apps and MVP Development
- FromPakistan
- Member sinceJul 2026
Languages
English, Urdu
My Portfolio
Other Software Development Services I Offer
FAQ
What backend services can you develop?
I can build secure and scalable Node.js and Express.js backends, REST APIs, authentication systems, database architecture, CRUD operations, business logic, and server-side functionality for web applications.
Which third-party integrations do you support?
I can integrate Stripe, OpenAI, Firebase, Supabase, Google APIs, OAuth, email services, payment gateways, webhooks, cloud storage, and other third-party APIs based on your project requirements.
Can you build custom REST APIs?
Yes. I develop secure, well-documented, and scalable REST APIs with authentication, authorization, validation, error handling, and database integration for your application.
Can you work with my existing backend?
Absolutely. I can improve, extend, or refactor your existing Node.js backend, fix API issues, optimize performance, and add new endpoints or integrations without disrupting your application.
Can you integrate AI features into my application?
Yes. I can integrate OpenAI and other AI services to build AI chat, AI assistants, document processing, content generation, and other intelligent features into your web application.
Which databases do you work with?
I work with MongoDB, PostgreSQL, MySQL, Firebase Firestore, and Supabase. I can design database schemas, optimize queries, and implement efficient CRUD operations.
Can you work with existing teams?
Yes, I can collaborate very well in a team setup. I can work along with ticketing (Jira), and daily/weekly standups.
Do you offer after-delivery support?
Yes, I provide post-delivery support to ensure everything runs perfectly and handle any issues that arise.

