Senior Java Developer (610 Years)

Senior Java Developer (610 Years)Role Build and maintain high-performance backend systems and microservices using Java 17+, Spring Boot, and PostgreSQL. Strong ownership, production debugging skills, and cross-functional collaboration required. Key Responsibilities Develop secure, scalable microservices with Spring Boot and Hibernate/JPA on PostgreSQL Optimize performance query tuning, caching, connection pooling, lazy/eager loading, profiling bottlenecks Implement authentication/authorization using Keycloak (OAuth2, JWT, OIDC, SSO) Build event-driven workflows with messaging queues (Kafka, RabbitMQ, ActiveMQ, JMS) Troubleshoot production issues log analysis, root cause identification, reliable hotfixes under pressure Write comprehensive unit & integration tests (JUnit, Mockito, Spring Boot Test) Mentor junior developers; participate in code reviews and architecture discussions Required Skills Java 17+, Spring Boot, Spring Security, Spring Data JPA PostgreSQL schema design, migrations, query optimization Hibernate entity mapping, transactions, N+1 prevention, caching strategies Keycloak IAM integration, realm/client configuration, role-based access Messaging Kafka / RabbitMQ / ActiveMQ Testing JUnit, Mockito, TDD practices Docker, Git, Maven/Gradle Big Plus IoT platform experience MQTT, device telemetry, real-time data ingestion Cloud (AWS/Azure/GCP), Kubernetes, CI/CD, Resilience4j Candidate Profile Self-driven engineer who owns modules end-to-end, resolves production incidents decisively, and delivers optimized, production-grade solutions Compensation: 700,000.00 - 1,000,000.00 per year Work Location: In person Senior Java Developer (610 Years)Role Build and maintain high-performance backend systems and microservices using Java 17+, Spring Boot, and PostgreSQL. Strong ownership, production debugging skills, and cross-functional collaboration required. Key Responsibilities Develop secure, scalable microservices with Spring Boot and Hibernate/JPA on PostgreSQL Optimize performance query tuning, caching, connection pooling, lazy/eager loading, profiling bottlenecks Implement authentication/authorization using Keycloak (OAuth2, JWT, OIDC, SSO) Build event-driven workflows with messaging queues (Kafka, RabbitMQ, ActiveMQ, JMS) Troubleshoot production issues log analysis, root cause identification, reliable hotfixes under pressure Write comprehensive unit & integration tests (JUnit, Mockito, Spring Boot Test) Mentor junior developers; participate in code reviews and architecture discussions Required Skills Java 17+, Spring Boot, Spring Security, Spring Data JPA PostgreSQL schema design, migrations, query optimization Hibernate entity mapping, transactions, N+1 prevention, caching strategies Keycloak IAM integration, realm/client configuration, role-based access Messaging Kafka / RabbitMQ / ActiveMQ Testing JUnit, Mockito, TDD practices Docker, Git, Maven/Gradle Big Plus IoT platform experience MQTT, device telemetry, real-time data ingestion Cloud (AWS/Azure/GCP), Kubernetes, CI/CD, Resilience4j Candidate Profile Self-driven engineer who owns modules end-to-end, resolves production incidents decisively, and delivers optimized, production-grade solutions Compensation: 700,000.00 - 1,000,000.00 per year Work Location: In person