Backend Developer-Senior

About the Role

We are looking for an experienced Senior Java Developer with strong expertise in Core Java, Spring Framework, Microservices, REST APIs, and modern backend development . The ideal candidate should have experience designing scalable enterprise applications, implementing secure APIs, optimizing application performance, and working in Agile environments.

Key Responsibilities

• Design, develop, and maintain scalable backend applications using Core Java (Java 21 preferred; Java 17 acceptable) .
• Build and enhance RESTful APIs using Spring Boot and Spring Framework.
• Develop and maintain Microservices-based applications with high availability and performance.
• Design and optimize relational and/or NoSQL database solutions.
• Implement industry-standard design patterns and coding best practices.
• Develop secure applications with Authentication & Authorization mechanisms such as Spring Security, OAuth 2.0, JWT , and role-based access control.
• Implement caching solutions (Redis, Ehcache, or similar) to improve application performance.
• Write comprehensive unit and integration tests using JUnit, Mockito , or equivalent frameworks.
• Build and maintain CI/CD pipelines for automated build, testing, and deployment.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Troubleshoot production issues and optimize application performance.

Required Skills

• 8–10 years of experience in Java backend development.
• Strong expertise in Core Java (Java 21 preferred; Java 17 acceptable) .
• Hands-on experience with Spring Framework , Spring Boot , and REST APIs .
• Strong understanding of Microservices Architecture .
• Experience with Relational Databases (PostgreSQL, MySQL, Oracle) and/or NoSQL Databases (MongoDB, Cassandra).
• Good knowledge of Object-Oriented Programming (OOP) concepts and Design Patterns .
• Experience implementing Spring Security , OAuth 2.0 , JWT , and authentication/authorization mechanisms.
• Hands-on experience with Caching technologies such as Redis or Ehcache.
• Experience writing Unit Tests using JUnit and Mockito.
• Familiarity with CI/CD tools such as Jenkins, GitHub Actions, GitLab CI, or Azure DevOps.
• Strong understanding of Git version control and Agile/Scrum methodologies.

Good to Have

• Experience with Docker and Kubernetes.
• Exposure to cloud platforms such as AWS, Azure, or GCP.
• Knowledge of messaging systems such as Kafka or RabbitMQ.
• Experience with monitoring and logging tools like Prometheus, Grafana, ELK, or Splunk.