Senior Java Developer

Job Summary

We are seeking a highly skilled Senior Java Developer with 9+ years of experience in designing, developing, and maintaining enterprise-scale applications. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, REST APIs, cloud platforms, and modern DevOps practices, with experience building scalable, secure, and high-performance distributed systems.

Required Skills

• 9+ years of hands-on experience in Java application development.
• Strong expertise in Java 8/11/17, Core Java, Collections, Multithreading, Concurrency, JVM, and Memory Management.
• Extensive experience with Spring Boot, Spring MVC, Spring Security, Spring Data JPA, Spring Cloud, and Hibernate.
• Strong experience designing and developing Microservices Architecture.
• Hands-on experience building RESTful APIs and integrating SOAP/REST web services.
• Strong SQL experience with Oracle, PostgreSQL, MySQL, SQL Server.
• Experience with NoSQL databases such as MongoDB, Cassandra, or Redis.
• Messaging technologies: Kafka, RabbitMQ, JMS, ActiveMQ.
• Experience with Docker, Kubernetes, OpenShift, and containerized deployments.
• Cloud experience with AWS, Azure, or Google Cloud Platform.
• CI/CD experience using Jenkins, GitHub Actions, GitLab CI, Azure DevOps.
• Strong understanding of Design Patterns, SOLID Principles, OOP, and Data Structures & Algorithms.
• Experience with JUnit, Mockito, TestNG, and automated testing frameworks.
• Hands-on experience with Git, Maven, Gradle, and SonarQube.
• Familiarity with Agile/Scrum methodologies.

Responsibilities

• Design, develop, and maintain enterprise-grade Java applications.
• Build scalable Spring Boot microservices and REST APIs.
• Develop secure, high-performance backend services and distributed systems.
• Integrate applications with databases, messaging systems, and third-party APIs.
• Optimize application performance, scalability, and reliability.
• Troubleshoot production issues and perform root cause analysis.
• Write clean, reusable, and maintainable code following coding standards.
• Develop unit, integration, and performance tests.
• Participate in architecture discussions, code reviews, and technical design.
• Implement CI/CD pipelines and automate deployment processes.
• Collaborate with architects, product owners, QA teams, and DevOps engineers.
• Ensure application security, compliance, and best development practices.

Preferred Qualifications

• Experience with Reactive Programming (Spring WebFlux).
• Knowledge of Event-Driven Architecture.
• Experience with Apache Camel or integration frameworks.
• Familiarity with GraphQL.
• Experience with OAuth 2.0, JWT, SAML, and Identity & Access Management.
• Knowledge of ELK Stack, Splunk, Prometheus, Grafana for monitoring.
• Exposure to Kafka Streams and real-time data processing.
• Cloud certifications (AWS, Azure, or Google Cloud Platform) are a plus.

Nice to Have

• Financial Services, Banking, Healthcare, or Retail domain experience.
• Experience with Terraform or Infrastructure as Code (IaC).
• Exposure to AI/ML integrations and Generative AI APIs.
• Experience with Redis caching and Elasticsearch.
• Knowledge of Kubernetes Operators and Service Mesh (Istio).