Senior Java Backend Developer (Spring/ REST/GraphQL)

Job Title: Senior Java Backend Developer (Spring/ REST/GraphQL)

Location: Chennai, India (Hybrid)

Total Experience: 5–7 years

Notice Period: Immediate to 15 Days

About The Role

We’re looking for an experienced Java Backend Developer to join our team and build scalable, secure web applications and APIs. You’ll work with modern frameworks like Spring MVC/Boot and Reactive stacks, design REST and GraphQL APIs, and collaborate across front-end, QA, and DevOps teams.

Key Responsibilities

Application Development: Design, build, and maintain Java-based web services using Spring MVC, Spring Boot, and reactive frameworks (e.g. WebFlux).

API Design: Architect secure, high-performance REST and GraphQL APIs, including schema design, resolvers, and authentication.

Front-End Integration: Collaborate with front-end engineers using JavaScript, JQuery, HTML5, and CSS to deliver interactive, user-friendly interfaces.

Web Services: Implement web services via REST, JAX-RS, and Spring-based REST controllers.

Database Development: Design efficient data models and SQL solutions in SQL Server – including stored procedures, functions, indexing, and query tuning.

Testing & QA: Write comprehensive unit tests using JUnit and apply mocking frameworks (e.g. Mockito) to ensure test coverage and reliability.

Best Practices: Participate in code reviews, debugging sessions, and follow Agile methodologies. Stay updated on new technologies and frameworks.

Required Skills & Qualifications

Languages & Frameworks: Strong Java (8+) experience with Spring MVC, Spring Boot, and reactive programming.

Web Technologies: Proficient in JavaScript, JQuery, HTML5, and CSS.

API Development: Hands-on experience building secure REST and GraphQL APIs using JAX-RS, Spring Boot, or similar.

Databases: Experience in SQL Server, writing complex queries, stored procedures, and optimizing performance.

Testing Tools: Hands-on with JUnit and mocking frameworks such as Mockito.

Software Design: Solid understanding of OOD/OOP principles, design patterns, and microservices architecture.

Soft Skills: Strong communication, problem-solving, and ability to work in fast-paced Agile environments.

Bonus / Nice-to-Haves

Exposure to Spring Security, OAuth2/OpenID Connect.

Background in containerization (Docker, Kubernetes) and CI/CD pipelines.

Familiarity with front-end frameworks like React, Angular, or Vue.js.

Experience with GraphQL tooling (Apollo, GraphQL Java).

Cloud experience (Azure, AWS, GCP).

Education & Experience

Bachelor’s or Master’s degree in Computer Science, IT, or related field

Apply Now

Send your CV and a brief cover letter outlining your experience building REST/GraphQL APIs, Java + Spring applications, and SQL Server systems to [Hemalatha.a@cloudesign.com].