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Fiverr Pro
English
$
USD
I will develop backend rest apis and microservices using nodejs, nextjs, or nestjs
Sai Kumar
About this gig
I will build secure and scalable backend services using Node.js and Express
I specialize in developing robust, maintainable, and scalable backend systems tailored to your specific project needs from simple REST APIs to distributed microservices.
️What I Offer
- RESTful API Development: Clean, structured, and efficient APIs for web and mobile apps.
- Database Integration: Optimized MongoDB, PostgreSQL, or MySQL connections for performance and reliability.
- Authentication & Authorization: Secure access control using JWT or OAuth2.
- Microservices Architecture: Modular, independently deployable services for scalability and maintainability.
- Third-Party API Integration: Seamless integration with external APIs and AI services.
- Monitoring & Observability: Prometheus and Grafana setup for real-time performance tracking.
Whether you need a small feature or a complete backend solution, well deliver clean, efficient, and production-ready code with documentation and support.
Get to know Sai Kumar
Sai Kumar
- FromIndia
- Member sinceDec 2024
- Avg. response time1 hour
- Last delivery1 year
Languages
Telugu, English, Hindi
I'm a full-stack developer specializing in the MERN stack (MongoDB, ExpressJS, ReactJS, NodeJS). I've built a variety of projects, including a real-time chat app with video/audio calling, an AI-powered fitness app with personalized workouts and diet plans, and a social media platform with user authentication and interactive posts. My expertise lies in creating responsive, scalable web applications with clean code and user-friendly designs. I'm passionate about turning ideas into functional, impactful solutions.
Other Software Development Services I Offer
FAQ
What technologies do you use to build backends?
I primarily use Node.js with Express or NextJS, and MongoDB, PostgreSQL, or MySQL for databases. I also use Prisma or Mongoose for ORM, depending on the project.
Do you develop microservices-based architectures?
Yes! I design modular microservices that are independently deployable, easier to scale, and perfect for large or growing systems.
Can you integrate third-party or AI APIs?
Absolutely. I can integrate services like Stripe, OpenAI, Gemini, Firebase, AWS, and more depending on your project’s requirements.
Do you handle authentication and security?
Yes. I implement JWT or OAuth2-based authentication, input validation, rate limiting, and secure data handling best practices.
