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Birlasoft Limited

Java API Developer

Birlasoft Limited Bengaluru, Karnataka, India

IT Services and IT Consulting · 10,001+ employees

3 d ago
java Senior (5-10 yrs) Full-time India
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About the role

Design, build, and maintain secure, scalable RESTful APIs using Java and Spring Boot. Collaborate with cross-functional teams to deliver backend services while ensuring performance, observability, and cloud-native deployment.

What they look for

Java Spring Boot RESTful APIs Microservices SQL NoSQL OAuth2 JWT Docker Kubernetes CI/CD Hibernate JPA Resilience4j OpenAPI Kafka

Requirements

Requires strong proficiency in Java 8+ and the Spring ecosystem, along with experience in database integration and API security. Candidates should have a background in microservices, cloud-native deployments, and a bachelor's degree in a relevant field.

Full description

Area(s) of responsibility

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.

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.
  • 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.

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