Java Developer
4 days ago
We are seeking an experienced Java Developer (5–7 years) with strong expertise in Core Java 8+, Spring Boot, REST APIs, Microservices, and database-driven backend development. The ideal candidate should be well-versed in building scalable, secure services and integrating with distributed systems. Exposure to AWS, DevOps, Kafka, and service virtualization tools is a strong advantage.Key ResponsibilitiesBackend DevelopmentDevelop and enhance scalable backend services using Java 8+ and Spring Boot.Build secure, high-quality RESTful APIs with proper validation, exception handling, and authentication/authorization.Microservices ArchitectureImplement microservices with best practices for service registry, configuration management, resiliency patterns (retry, circuit breaker), and asynchronous communication.Ensure services are modular, fault-tolerant, observable, and optimized for performance.Database DevelopmentWork with relational/NoSQL databases: MySQL, PostgreSQL, Oracle, MongoDB.Write optimized SQL queries, manage transactions, indexing, and database performance tuning.Code Quality & ReviewsWrite clean, testable, maintainable code using OOP, SOLID principles, and design patterns.Conduct peer code reviews and participate in architecture and design discussions.Cloud & DevOps CollaborationDeploy and maintain applications on AWS (S3, EC2, RDS, IAM, CloudWatch, etc.).Collaborate with DevOps teams on CI/CD pipelines, containerization (Docker), and automated deployments.Testing & Quality AssuranceWrite strong unit tests using JUnit, Mockito and ensure high code coverage.Support integration testing, debugging, and issue resolution across environments.Service Virtualization & IntegrationsUse tools like WireMock, MockServer, or similar for service virtualization to simulate dependent systems.Required Skills (Primary)Core Java (8+)Strong understanding of OOPs, Collections, Streams, and Lambda expressions.Familiarity with features from Java 11, 17, and 21 (switch expressions, var, records, virtual threads, pattern matching, etc.).Spring BootStrong experience with Spring Boot modules, annotations, configuration, and application lifecycle.Hands-on with Spring Web, Spring Data JPA, Spring Validation, Spring Security, and monitoring tools.REST API DevelopmentDeep understanding of REST architecture, pagination, versioning, idempotency, and API documentation (Swagger/OpenAPI).MicroservicesGood understanding of distributed systems, async messaging, logging/tracing (ELK, Prometheus, Loki, Grafana), and microservice best practices.DatabaseStrong SQL and experience with relational database design, optimization, indexing, and ORMs (Hibernate/JPA).Hands-on CodingAbility to independently design, develop, debug, test, and deploy features end-to-end.Secondary Skills (Good to Have)Cloud – AWS (Preferred)Experience with EC2, S3, IAM, Lambda, CloudWatch, ECS/EKS.DevOpsFamiliarity with CI/CD pipelines: Jenkins, GitLab CI, GitHub Actions.Experience with Docker and containerization.KafkaUnderstanding of event-driven architecture, producers/consumers, topics, partitions, and offset management.Unit TestingStrong skills in JUnit, Mockito; exposure to TDD/BDD is a plus.Service VirtualizationExperience with WireMock, MockServer, or similar tools.Soft SkillsStrong analytical and problem-solving mindset.Ability to work in Agile teams and collaborate cross-functionally.Excellent communication and documentation skills.Ownership-driven attitude with a willingness to learn new technologies.
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