I will develop a rest API backend using spring boot and java


About this gig
Are you looking for a clean, secure, and production-ready REST API built with Java & Spring Boot? You are in the right place!
I'm Ajay Kushwaha, a Full Stack Software Engineer with 4+ years of real-world enterprise experience. I specialize in designing and developing RESTful APIs, scalable backend systems, and secure authentication using JWT/OAuth2. I've worked on microservices, Kafka-based systems, and AI-integrated platforms, so I know how to build solutions that scale.
What I Deliver
- Java + Spring Boot backend development
- Secure REST APIs with JWT or OAuth2
- Database integration (MySQL, PostgreSQL, Oracle, SQL-Server)
- API Documentation with Swagger / OpenAPI
- Error handling, validation & layered architecture
- Clean, maintainable code with revisions
Why Choose Me?
- 4+ years in Java + Spring Boot development
- Experience with real-world enterprise projects
- Fast delivery & reliable communication
- Support for projects of any size (small fixes full backend systems)
Message me now to discuss your requirements before ordering!
Get to know Ajay Kushwaha
Full Stack Developer, React JS, Spring Boot, REST API and Web Apps
- FromIndia
- Member sinceJun 2025
Languages
Hindi, English
FAQ
Can you handle small tasks, like fixing one API endpoint?
Yes! I work on projects of any size — from debugging and fixing a single API endpoint to building full enterprise-grade backend systems.
Do you provide API documentation?
Absolutely. I include Swagger/OpenAPI documentation on request, so your APIs are easy to understand, test, and integrate.
Will my API be secure?
Yes. I implement industry-standard authentication and authorization with JWT or OAuth2, along with proper validation and error handling to keep your application secure.
Can you integrate my database or third-party APIs?
Yes, I support MySQL, PostgreSQL, SQL-Server and Oracle databases, as well as third-party API integrations. I can also help optimize queries and improve performance.
Do you offer post-delivery support?
Yes. I provide revisions as per your package and can also offer extended support, maintenance, or future upgrades as a custom order.

