Senior Java Developer

Job Description :

Role & Responsibilities :

- Design, develop, and maintain scalable backend services using Java, Spring Boot, and Microservices architecture.

- Drive the modernization of legacy Spring applications into independently deployable services using a strangler-pattern migration approach.

- Design secure and consistent RESTful APIs using Spring Cloud Gateway with standards for versioning, error handling, pagination, and multi-tenancy.

- Build and maintain shared backend components including authentication filters, HTTP clients, Redis utilities, and AWS messaging integrations.

- Implement secure authentication and authorization using Spring Security, JWT, and method-level authorization.

- Develop reliable event-driven workflows using AWS SQS, SNS, and EventBridge, including retry handling, DLQs, idempotency, and deduplication.

- Build high-performance reactive services using Spring WebFlux and Project Reactor.

- Design and optimize data access using PostgreSQL, Hibernate/JPA, and Redis.

- Ensure strong automated testing, observability, security, and production readiness across services.

- Participate in architecture and code reviews while mentoring engineers on backend engineering, security, and API best practices.

- Follow secure engineering practices aligned with HIPAA, SOC 2 Type II, PHI protection, encryption, and least-privilege access.

Preferred candidate profile :

Must-Have Skills :

- 8+ years of backend development experience with Java.

- Strong hands-on experience with Spring Boot 3/4 and Spring Framework 6.

- Strong experience in Microservices architecture and distributed systems.

- Production experience with Spring WebFlux and Project Reactor.

- Strong expertise in Spring Security, JWT authentication, security filter chains, and authorization.

- Experience decomposing or modernizing production monolithic applications into microservices.

- Strong knowledge of REST API design and API standardization.

- Deep experience with PostgreSQL, Hibernate/JPA, schema design, indexing, and performance tuning.

- Hands-on experience with AWS SQS and SNS, including FIFO queues, DLQs, retries, and idempotent consumers.

- Strong experience with Redis, including caching, distributed sessions, and TTL management.

- Experience with JUnit 5, Mockito, automated testing, and CI/CD pipelines.

- Working knowledge of AWS RDS, ECS, S3, VPC, and IAM.

- Ability to independently own technical deliverables from design through deployment and production support.

Nice-to-Have Skills :

- Experience with Spring Cloud Gateway and Eureka.

- Exposure to AWS EventBridge and event-bus architecture patterns.

- Experience deploying applications on ECS/Fargate.

- Hands-on experience with Terraform and infrastructure-as-code.

- Experience with GitHub Actions, OIDC, and AWS CodeArtifact.

- Knowledge of observability tools such as CloudWatch, Prometheus, and Grafana.

- Experience troubleshooting distributed systems in production environments.

- Exposure to Python for backend or data-processing workloads.

- Healthcare domain experience or familiarity with HIPAA, SOC 2 Type II, and PHI data handling.

- Experience maintaining shared internal libraries or platforms used across multiple engineering teams.

Skills

Java, Backend Architecture, Spring Boot, Microservices Architecture, RESTful API, Spring Cloud, AWS, Spring WebFlux, PostgreSQL, JPA, Hibernate