Java API Developer

Key Responsibilities

• Design, develop, and maintain secure, scalable, and high-performance RESTful APIs using Java and Spring Boot.
• Develop and enhance microservices-based applications following best coding practices.
• Integrate APIs with databases, third-party applications, and enterprise systems.
• Implement API security using OAuth 2.0, JWT, and other authentication/authorization mechanisms.
• Write clean, reusable, and well-documented code with comprehensive unit tests.
• Optimize API performance, troubleshoot issues, and resolve production defects.
• Participate in code reviews and ensure adherence to coding standards and design principles.
• Collaborate with frontend developers, QA teams, DevOps engineers, and business stakeholders throughout the SDLC.
• Support CI/CD implementation and application deployments.

Required Skills

• Minimum 5+ years of relevant experience in Java API Development.
• Strong hands-on experience with Java 8/11/17, Spring Boot, Spring MVC, and Spring Security.
• Expertise in developing RESTful APIs and Microservices.
• Strong understanding of JSON, XML, REST, and API design best practices.
• Experience with Hibernate/JPA and relational databases such as Oracle, MySQL, PostgreSQL, or MS SQL Server.
• Hands-on experience with Git, Maven/Gradle, and Jenkins.
• Knowledge of API testing using Postman or Swagger/OpenAPI.
• Familiarity with messaging technologies such as Kafka or RabbitMQ is an advantage.
• Strong understanding of SDLC, Agile methodologies, and design patterns.
• Excellent problem-solving, debugging, and communication skills.

Preferred Skills

• Experience with cloud platforms such as AWS, Azure, or GCP.
• Knowledge of Docker, Kubernetes, and containerized application deployment.
• Exposure to CI/CD pipelines and DevOps practices.
• Experience with NoSQL databases such as MongoDB is an added advantage.