I will build high performance saas backend with nestjs, nodejs


About this gig
Building a SaaS product but worried about slow APIs, messy code, or scalability issues?
A great product needs a backend that is secure, maintainable, and ready to scale from day one. I help startups and businesses build high-performance SaaS backend systems using NestJS, Node.js, and PostgreSQL with clean architecture and production-ready standards.
What I Offer
-️ Backend Architecture
- Clean Architecture & scalable project structure
- REST API development with NestJS
- Microservices architecture when required
- Authentication & Security
- JWT Authentication
- Role-Based Access Control (RBAC)
- Input validation, rate limiting, and security best practices
Database & Performance
- PostgreSQL database design
- Database optimization and query tuning
- Redis caching
- Integration
- Payment gateways
- Email & notification systems
- Third-party API integrations
- Deployment & DevOps
- Docker containerization
- AWS/VPS deployment
- CI/CD pipeline setup
Why Choose Me?
- Production-ready code standards
- Strong expertise in NestJS backend and Node.js API development
- Focus on scalability, performance, and maintainability
- Well-documented code and API documentation
Please message me before placing an order.
Get to know Rimon
Laravel, NestJS Backend Engineer
- FromBangladesh
- Member sinceOct 2022
- Avg. response time1 hour
Languages
Bengali, English, Hindi
My Portfolio
FAQ
1. What technologies do you use for backend development?
I primarily build scalable SaaS backend systems using NestJS, Node.js, PostgreSQL, Redis, Docker, and REST APIs. The technology stack is selected based on your project's scalability and performance requirements.
2. Can you build a complete SaaS backend from scratch?
Yes. I can design and develop a complete SaaS backend, including architecture, authentication, database design, REST API development, integrations, deployment, and documentation.
3. Will I receive the full source code?
Absolutely. You will receive clean, well-structured source code with proper documentation, allowing your team or any backend developer to maintain and extend the project easily.
4. Is the backend secure and production-ready?
Yes. Security best practices are implemented, including JWT authentication, RBAC (Role-Based Access Control), input validation, rate limiting, and secure API design.
5. Do you provide PostgreSQL database design and optimization?
Yes. I design efficient PostgreSQL databases, implement migrations, optimize queries, and perform database optimization to ensure high performance as your application grows.
6. Can you develop REST APIs and third-party integrations?
Yes. I build secure and scalable REST APIs and can integrate payment gateways, email services, cloud storage, CRM systems, and other third-party services.
7. Can you build microservices architecture with NestJS?
Yes. If your project requires high scalability, I can develop a Microservices-based NestJS backend that supports independent services, better maintainability, and future growth.
8. Do you deploy applications to AWS or VPS servers?
Yes. I can deploy your Node.js API and SaaS backend using Docker on AWS, DigitalOcean, VPS servers, or other cloud environments, including CI/CD setup if required.
9. Can you improve or optimize an existing backend?
Absolutely. I can audit your current backend, improve architecture, optimize APIs, perform database optimization, fix performance bottlenecks, and enhance scalability.
10. Do you provide support after project delivery?
Yes. I provide post-delivery support to ensure a smooth launch and help resolve any issues related to deployment, APIs, databases, or backend functionality.

