Senior Java Developer - Spring Boot

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, 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. (ref:hirist.tech)