Senior Java Developer - API & Backend Services

Birlasoft Limited; Bengaluru; On-site; INR 1,500,000 - 2,200,000; Full time

Job summary

Birlasoft Limited in Bengaluru is seeking a Senior Java GHCP Developer to design, build, and maintain secure RESTful APIs using Spring Boot for scalable web and mobile applications.

You will collaborate with product managers, architects, and DevOps to deliver backend services, mentor peers, and contribute to OpenAPI documentation and CI/CD pipelines in a cloud-native setup.

Qualifications

• Strong knowledge of Java 8+ and Spring Boot with API design experience.
• Hands-on with RESTful APIs and microservices integration.
• Proficient in SQL/NoSQL databases and ORM usage (Hibernate).
• Security best practices including OAuth2/OIDC and JWT.

Responsibilities

• Design, build, and maintain RESTful APIs using Java and Spring Boot (Web, Data, Security).
• Model and integrate with databases, write efficient queries and migrations.
• Implement API security: OAuth2/OIDC, JWT, RBAC, rate limiting.
• Write clean, tested code with unit/integration/contract tests.
• Optimize performance and reliability with caching, pooling, async I/O.
• Observe: logging, metrics, tracing, health checks (Actuator).
• CI/CD and cloud deployment using Docker, Kubernetes, and IaC scripts.
• Collaborate in Agile teams; participate in grooming, reviews, and OpenAPI docs.
• Own services end‑to‑end from design to production support (on-call optional).

Skills

Java 11+ expertise

Spring Boot

RESTful API design

Microservices

Security: OAuth2/OIDC, JWT

Git and CI workflows

Docker & Kubernetes

OpenAPI/Swagger

Testing: unit/integration

SQL/NoSQL databases

Education

Bachelor’s degree in Computer Science or equivalent

Tools

Git

Maven/Gradle

Docker

Kubernetes

OpenAPI/Swagger

Postman/Rest Assured

Terraform/Helm

Job description

Java GHCP Developer Area(s) of responsibility

About the Role

We are seeking a Java developer focused on building secure, scalable, and resilient RESTful APIs using Spring Boot. You’ll work closely with product managers, architects, and DevOps to deliver backend services powering web and mobile applications. The ideal candidate brings strong Java fundamentals, Spring ecosystem experience, and hands‑on API design/implementation skills and with using GitHub CoPilot experience.

Key Responsibilities

• Design, build, and maintain RESTful APIs using Java and Spring Boot (Web, Data, Security, Actuator).
• Model and integrate with databases (SQL/NoSQL), write efficient queries, and manage schema migrations.
• Implement API security: OAuth2/OIDC, JWT, role-based access, rate limiting, input validation.
• Write clean, testable code with unit, integration, and contract tests.
• Optimize performance and reliability (caching, connection pooling, async/non-blocking I/O, pagination).
• Observability: structured logging (SLF4J/Logback), metrics/tracing (Micrometer, OpenTelemetry), and health checks (Actuator).
• CI/CD and cloud deployment (Docker, basic Kubernetes concepts, pipelines; Azure exposure a must).
• Collaborate in Agile teams: participate in grooming, estimation, code reviews, and documentation (OpenAPI/Swagger).
• Own services end‑to‑end : from design and development to deployment and production support (on-call rotation optional).

Required Qualifications

• Strong knowledge of Java 8+ (preferably 11/17 or later) and Spring Boot . knowledge and experience of using GitHub Copilot Experience building RESTful APIs and integrating with external/internal services.
• Solid understanding of data structures, concurrency, and error handling.
• Hands‑on with RDBMS (e.g., PostgreSQL/MySQL) and ORMs (JPA/Hibernate).
• Proficient with Git , branching strategies, and Maven/Gradle .
• Familiarity with API documentation (OpenAPI/Swagger) and Postman /Rest Assured.
• Senior / Lead API architecture & design (resource modeling, versioning, idempotency, resilience patterns).
• Security best practices (OAuth2/OIDC, JWT, mTLS, secrets management).
• Scalability & resilience patterns (Circuit Breaker/Retry/Backoff with Resilience4j; async/reactive programming).
• Experience with microservices , message brokers (Kafka/RabbitMQ), and event-driven patterns.
• Cloud-native deployments (Docker/K8s) and IaC (Terraform/Helm is a plus).
• Mentoring developers and leading design/code reviews.

Education

Bachelor’s in Computer Science/Engineering or equivalent practical experience.

Experience Level

Senior Level