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Birlasoft Limited

Java API Developer

Birlasoft Limited Bengaluru, Karnataka, India

IT Services and IT Consulting · 10,001+ employees

Sep 01
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 manage database integration, API security, and cloud-native deployments.

What they look for

Java Spring Boot RESTful APIs GitHub Copilot SQL NoSQL OAuth2 OIDC JWT Docker Kubernetes Azure Microservices Kafka RabbitMQ Resilience4j

Requirements

Requires strong proficiency in Java 8+ and the Spring ecosystem, along with hands-on experience in API design and microservices architecture. Candidates must be skilled in database management, security protocols, and modern CI/CD practices.

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 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

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