Java developer
Sisha Greentech
2 - 3 years
Noida
Posted: 10/01/2026
Job Description
Job Title: Backend Developer Java & Spring Boot
Experience: 2-3 Years
Location: E - 57 A, Sector 63, Noida
Employment Type: Full-time
Overview:
We are seeking a skilled Backend Developer with strong expertise in Java , Spring Boot , and building real-time WebSocket communication systems . The ideal candidate should also have a basic working knowledge of React.js and be comfortable collaborating with front-end and mobile teams to deliver scalable, high-performance applications.
Key Responsibilities:
Design and develop backend services and REST APIs using Java and Spring Boot.
Build, optimize, and maintain WebSocket-based real-time communication modules .
Work with microservices, authentication, messaging queues, and distributed systems.
Integrate backend services with frontend/mobile applications (React.js, React Native, or others).
Collaborate with cross-functional teams on architecture, performance optimization, and deployment.
Write clean, maintainable, and well-tested code.
Troubleshoot production issues and improve system reliability.
Required Skills:
Strong proficiency in Java , Spring Boot , and Spring ecosystem (Spring MVC, Spring Data, Spring Security).
Hands-on experience with WebSockets , STOMP, or real-time communication frameworks.
Experience with relational databases such as MySQL, PostgreSQL, or SQL Server.
Understanding of microservices architecture and RESTful API design.
Familiarity with version control (Git) and CI/CD pipelines.
Basic knowledge of React.js ability to modify UI components or assist frontend team when needed.
Solid understanding of software design principles, concurrency, and performance tuning.
Good to Have:
Experience with message brokers (RabbitMQ, Kafka, Redis).
Cloud deployment exposure (AWS, GCP, Azure).
Containerization tools (Docker, Kubernetes).
Soft Skills:
Strong communication and analytical abilities.
Ownership mindset and ability to work in a fast-paced environment.
Team player with a problem-solving approach.
What We Offer:
- Competitive salary and benefits.
- Flexible working hours and remote work options.
- Opportunity to work on cutting-edge technology in a collaborative environment.
- Career growth and learning opportunities.
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