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Fiverr Pro
English
$
USD
I will develop custom API and backend using nodejs
Gopi
About this gig
Please contact me before placing an order!
Are you building an app but stuck on the backend? I'll build clean, scalable REST APIs using Node.js so you can focus on your product.
With 5+ years of professional experience shipping production-grade backends for fintech platforms, SaaS products, and global e-commerce apps, I bring real-world engineering not tutorial-level code to your project.
Whether you need a quick set of CRUD endpoints or a fully documented API suite with database integration, I've got a package for you.
What I build:
- RESTful CRUD APIs (Create, Read, Update, Delete)
- Database-connected APIs with optimized queries
- JWT-based authentication & authorization endpoints
- Input validation and structured error handling
- Full API documentation (Gold package)
️ Tech I use:
- Framework: Node.js with NestJS or Express.js your choice
- Database: PostgreSQL, MySQL, or we decide together
- Extras: Swagger and Postman collection delivered with every order
Every order includes:
- Well-structured, readable code
- Error handling & input validation
- Postman collection for easy testing
- Revision support
Get to know Gopi
Gopi
Expert in building software products
- FromIndia
- Member sinceMar 2026
- Avg. response time1 hour
Languages
English, Tamil
Full Stack Engineer with 5+ years of experience building scalable B2B SaaS, D2C e-commerce,
and mobile-backed platforms using React, Next.js, Node.js (NestJS), TypeScript,
PostgreSQL and AWS. Experienced in designing high-performance REST APIs, multi-tenant
architectures, and cloud-native systems. Strong focus on scalability, performance optimization,
secure system design, and business-driven feature delivery.
FAQ
Do I need to provide anything before you start?
Yes, A brief description of your project, the entities/models involved (e.g. Users, Products, Orders), and your preferred database. If you have existing code or a schema, sharing it upfront helps me start faster.
Which framework will you use - NestJS or Express.js?
Both are available. NestJS is great for structured, scalable projects; Express.js is lighter and faster to set up. Just let me know your preference when ordering, or I'll recommend the best fit based on your project.
What databases do you support?
I work with PostgreSQL and MySQL. If you have a preference or an existing database, just mention it. I'll work with what you have.
Is JWT authentication included?
Auth endpoints (register, login, token refresh) are available as an add-on for Bronze and Silver. For Gold, I can include a full auth module - message me to discuss your requirements before ordering.
Will I get documentation with my APIs?
Every package includes a Postman collection so you can test all endpoints immediately. Detailed Swagger API documentation (descriptions, request/response schemas) is included in the Gold package.
Can you work with my existing codebase?
Absolutely. For Silver and Gold packages, I can integrate APIs into your existing project. Share your repo or codebase details when you place the order.
Do you offer deployment support?
Yes, deployment guidance is available - particularly for Gold orders. I can help you deploy to AWS (EC2, ECS) or any Node.js - compatible hosting. Mention this when ordering.
What if I need more APIs than your packages offer?
No problem - contact me for a custom offer. I regularly handle larger scopes for startups and growing products.
Will you do revisions if something isn't working?
Yes. I include revision rounds with every package. If an endpoint doesn't behave as discussed, I'll fix it - no arguments.
