Java Backend Developer
Summary
Java Backend Developer with 5-7 years of experience focused on building scalable microservices using Java 8+ and Spring Boot. The role involves designing RESTful APIs, implementing security with OAuth2/JWT, and working with SQL/NoSQL databases within an Agile environment.
- Design, develop, and maintain backend services using Java and Spring Boot.
- Build and enhance microservices-based architectures for scalable enterprise applications.
- Work closely with architects, frontend engineers, DevOps, and QA to deliver robust, secure, and high‑performing solutions.
2. Key Responsibilities
- Develop and maintain RESTful APIs and backend services using Spring Boot.
- Design and implement microservices with proper separation of concerns and domain-driven design.
- Integrate services with databases (SQL/NoSQL) and external systems.
- Implement security, authentication, and authorization (Spring Security, OAuth2/JWT).
- Optimize application performance, scalability, and reliability.
- Participate in requirement analysis, solution design, and estimation.
- Write clean, maintainable, and well‑tested code following best practices.
- Create and maintain technical documentation for services and APIs.
- Collaborate in Agile/Scrum ceremonies (daily stand-ups, sprint planning, retrospectives).
- Troubleshoot and resolve production issues; provide L3 support as needed.
- Work with CI/CD pipelines and containerization (e.g., Docker, Kubernetes) for deployments.
- Ensure proper logging, monitoring, and alerting for microservices.
3. Required Skills & Experience
- 7 - 9 years of experience in Java backend development.
- Strong hands-on experience with:
- Java 8+
- Spring Boot, Spring MVC, Spring Data JPA
- Microservices architecture
- Java 8+
- Experience in:
- Building and consuming REST APIs
- Relational databases (e.g., MySQL, PostgreSQL, Oracle)
- At least one NoSQL database (MongoDB, Redis, etc.) – preferred
- Building and consuming REST APIs
- Good understanding of:
- Spring Security, OAuth2/JWT
- Message queues / event-driven architecture (Kafka, RabbitMQ, etc.)
- Unit and integration testing (JUnit, Mockito, etc.)
- Spring Security, OAuth2/JWT
- Familiarity with:
- CI/CD tools (Jenkins, GitLab CI, Azure DevOps, etc.)
- Version control (Git)
- Docker, Kubernetes (preferred)
- CI/CD tools (Jenkins, GitLab CI, Azure DevOps, etc.)
Skills
- Agile
- API
- Authentication
- Azure
- Azure DevOps
- CI/CD
- Containerization
- DevOps
- Docker
- Event Driven Architecture
- Git
- GitLab
- Java
- Jenkins
- JPA
- JUnit
- JWT
- Kafka
- Kubernetes
- Microservices
- Mockito
- MongoDB
- MVC
- MySQL
- NoSQL
- OAuth
- Oracle
- PostgreSQL
- RabbitMQ
- Redis
- REST
- Scrum
- Solution Design
- Spring
- SQL
- Version Control