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Fiverr Pro
English
$
USD
I will design and build scalable backend architecture
Saikat Sen
About this gig
Are you looking for a clean, fast, and scalable backend API for your application?
Youre in the right place! I specialize in building professional REST APIs using Node.js, Express.js, NestJS, and Laravel with industry-standard best practices.
Ill help you create reliable backend endpoints that are secure, efficient, and easy to integrate with your frontend or mobile app.
What You Will Get
Clean and modular backend architecture
REST API development (1 to 10+ endpoints)
CRUD operations
Database integration (MongoDB / MySQL / PostgreSQL)
Authentication (JWT)
Input validation & error handling
Secure coding practices
API documentation (Postman / Swagger)
Full source code uploaded to GitHub
High performance and scalability
Tech Stack I Work With
- Node.js, Express.js, NestJS
- Laravel
- MongoDB, MySQL, PostgreSQL
- JWT Auth
- MVC / Modular structure
Why Choose Me?
- Quick communication
- Clean and professional code
- 100% client satisfaction
- Fast delivery
- Long-term support available
If youre ready to get started, feel free to contact me before ordering so I can understand your requirements clearly.
Lets build something amazing!
Get to know Saikat Sen
Saikat Sen
Startup MVP, SaaS Developer, Full Stack Expert
- FromBangladesh
- Member sinceJan 2022
- Avg. response time1 hour
- Last delivery4 years
Languages
English
I help startup founders and SaaS businesses turn ideas into working MVPs and scalable web applications.
As a CTO with 5+ years experience with US startups, I provide technical strategy, architecture guidance, and product-focused solutions that align with your business goals.
Using React, Next.js, Node.js, Express, and MongoDB, I build high-performance dashboards, robust APIs, and full-stack apps that scale and delight users. I focus on clean, maintainable, and launch-ready code to get your product to market fast and efficiently.
My Portfolio
Other Software Development Services I Offer
FAQ
What technologies do you use to build the backend?
I work with Node.js, Express.js, NestJS, and Laravel, along with MongoDB, MySQL, and PostgreSQL. You can choose your preferred stack, or I can recommend one based on your project.
Will I get full source code?
Yes! You will receive 100% clean, well-structured source code uploaded to GitHub, organized clearly for easy understanding and future development.
Do you provide API documentation?
Absolutely. I provide Postman collection or Swagger documentation so your frontend/mobile team can easily use the APIs.
Can you integrate a database with my API?
Yes. I can integrate MongoDB, MySQL, or PostgreSQL depending on your needs. Database setup, models, and relations are included in Standard and Premium packages.
Can you add authentication like JWT?
Yes, I can implement JWT-based authentication, role management, and secure routing in the Standard and Premium packages.
Can you build more than 10 API endpoints?
Yes! If you need more than 10 endpoints or a full backend system, just contact me. I can create a custom offer based on your requirements.
Do I need to message you before placing an order?
It’s recommended so I can review your requirements and help you choose the correct package for your project.
Can you maintain or update my existing backend?
Yes! I can debug, fix, optimize, or extend your current API system. Just send me your project details.
