Senior Java Full Stack Developer

Introduction

We are looking for an experienced Senior Java Developer to join Synechron for an on-site opportunity. The ideal candidate should have strong hands-on experience in Java, Spring Boot, Microservices, REST APIs, databases, cloud technologies, and modern DevOps practices. The candidate should be comfortable working in a fast-paced enterprise environment and collaborating closely with architects, QA, DevOps, product teams, and business stakeholders.

Responsibilities

• Design, develop, test, and maintain scalable enterprise applications using Java.
• Develop backend services using Spring Boot and Microservices Architecture.
• Design and consume RESTful APIs and integrate with internal/external systems.
• Write clean, reusable, secure, and maintainable code.
• Participate in system design and technical architecture discussions.
• Troubleshoot application issues and provide production support.
• Optimize application performance and database queries.
• Implement authentication and authorization using technologies such as OAuth2, JWT, and Spring Security.
• Work with relational databases such as PostgreSQL, MySQL, Oracle, or SQL Server.
• Work with messaging technologies such as Kafka or RabbitMQ.
• Containerize applications using Docker and support deployments through Kubernetes.
• Participate in CI/CD implementation using Jenkins, GitHub Actions, GitLab CI, or similar tools.
• Work with cloud platforms such as AWS, Azure, or Google Cloud Platform.
• Participate in Agile ceremonies including sprint planning, stand-ups, code reviews, and retrospectives.
• Mentor junior developers and contribute to technical best practices.

Requirements

Required Technical Skills

• Strong hands-on experience with Java 8/11/17 or newer versions.
• Strong experience with Spring Boot, Spring MVC, Spring Security, and Spring Data JPA.
• Strong understanding of Microservices Architecture.
• Experience developing REST APIs.
• Experience with Hibernate/JPA.
• Strong SQL and database knowledge.
• Experience with Kafka/RabbitMQ or other messaging systems.
• Experience with Docker and Kubernetes.
• Experience with Git and CI/CD pipelines.
• Familiarity with AWS, Azure, or Google Cloud Platform.
• Good understanding of design patterns, SOLID principles, and clean coding practices.
• Experience with unit and integration testing using JUnit, Mockito, or similar frameworks.
• Strong debugging and production-support skills.

Preferred Skills

• Experience with event-driven architecture.
• Knowledge of distributed systems.
• Experience with Redis or other caching technologies.
• Familiarity with observability tools such as Splunk, ELK, Grafana, Prometheus, or Datadog.
• Experience working in banking, financial services, fintech, or other enterprise environments is a plus.