Overview

We are looking for a Senior Java Full Stack Developer with strong experience in Core Java, Spring Boot, Spring MVC, Microservices, PostgreSQL, and Angular/ReactJS.

Responsibilities

• We are looking for a Senior Java Full Stack Developer with strong experience in Core Java, Spring Boot, Spring MVC, Microservices, PostgreSQL, and Angular/ReactJS. The ideal candidate should have hands-on experience in designing and developing scalable backend services while also contributing to frontend development.
• The role requires strong engineering practices, ownership of modules, performance optimization, secure API development, and the ability to mentor team members.
• Design, develop, and maintain scalable applications using Java, Spring Boot, Spring MVC, and Microservices.
• Develop and integrate RESTful APIs using industry-standard API design practices.
• Work with Kafka/RabbitMQ for event-driven and asynchronous communication.
• Implement application security using Spring Security, OAuth2/OIDC, JWT, and RBAC.
• Develop frontend applications using Angular and/or ReactJS.
• Design and optimize PostgreSQL databases, queries, indexes, and transactions.
• Implement caching using Redis/Ehcache and optimize application performance.
• Work with monitoring and observability tools such as Micrometer, Prometheus, Grafana, and OpenTelemetry.
• Write unit, integration, and contract tests using JUnit 5, Mockito, Spring Test, and Testcontainers.
• Follow SOLID principles, Clean Code, and Clean/Hexagonal Architecture.
• Participate in code reviews and ensure adherence to coding, security, and performance standards.
• Take end-to-end ownership of modules, including design, development, testing, deployment, and operational performance.
• Mentor developers, support sprint planning, resolve technical blockers, and contribute to estimation and risk management.
• Collaborate with product and business stakeholders to understand requirements and communicate technical trade-offs.

Qualifications

• Location: Ahmedaba
• Strong proficiency in Core Java 8/11/17/21.
• Collections, Multithreading/Concurrency, Streams, and Functional Programming.
• Understanding of JVM internals, memory management, and Garbage Collection.
• Strong hands-on experience with Spring Boot and Spring MVC.
• Dependency Injection, Auto Configuration, Configuration Management, Actuator, and Profiles.
• Experience with Spring Cloud and Microservices architecture.
• Service Discovery using Eureka/Consul.
• Config Server, API Gateway, Circuit Breaker, and distributed configuration.
• Strong knowledge of REST API design.
• OpenAPI/Swagger, API versioning, pagination, idempotency, and error-handling standards.
• Experience with Kafka and/or RabbitMQ.
• Understanding of event-driven architecture and message delivery semantics.
• Experience with Spring Security.
• OAuth2/OIDC and JWT.
• Role-Based Access Control (RBAC).
• Secure API development and input validation.
• Understanding of OWASP Top 10 security practices.
• Experience with Micrometer, Prometheus, Grafana, OpenTelemetry, Jaeger, or Zipkin.
• Caching using Redis/Ehcache.
• Understanding of cache keys, TTL, and cache stampede prevention.
• Performance optimization, threading models, connection pooling, and memory management.
• Experience with HikariCP and N 1 query optimization.
• Strong experience with PostgreSQL.
• Database schema design and normalization/denormalization.
• Indexing strategies including BTREE, GIN/GiST, composite, and partial indexes.
• Strong SQL skills including joins, CTEs, window functions, and analytical queries.
• Query optimization using EXPLAIN/ANALYZE.
• Understanding of VACUUM, ANALYZE, statistics, and slow query analysis.
• Transactions, isolation levels, constraints, and deadlock troubleshooting.