Senior Java Backend Developer

Job Summary

We are seeking a highly skilled Senior Java Backend Developer with 12+ years of experience in designing, developing, and implementing scalable, high-performance enterprise applications. The ideal candidate will possess strong expertise in Java, Spring Boot, Microservices, REST APIs, cloud technologies, and distributed systems. The candidate will work closely with architects, product owners, DevOps engineers, and cross-functional teams to build secure and scalable backend solutions.

Key Responsibilities

• Design, develop, and maintain robust backend applications using Java and Spring Framework.
• Develop scalable Microservices-based architectures and RESTful APIs.
• Participate in application architecture, technical design, and code reviews.
• Build high-performance, fault-tolerant, and secure enterprise applications.
• Integrate applications with databases, third-party systems, and cloud services.
• Implement event-driven architectures using messaging platforms.
• Optimize application performance, scalability, and reliability.
• Collaborate with DevOps teams to implement CI/CD pipelines and automated deployments.
• Write clean, maintainable, and testable code following coding standards and best practices.
• Troubleshoot production issues and provide timely resolutions.
• Mentor junior developers and contribute to technical leadership initiatives.
• Participate in Agile ceremonies including sprint planning, standups, retrospectives, and backlog grooming.

Required Qualifications

• Bachelor''s or Master''s degree in Computer Science, Information Technology, Engineering, or a related field.
• 12+ years of hands-on experience in Java application development.
• Strong expertise in Core Java (Java 8/11/17+).
• Extensive experience with Spring Boot, Spring MVC, Spring Security, Spring Data JPA, and Hibernate.
• Strong experience in designing and developing Microservices architecture.
• Expertise in RESTful API development and API security.
• Strong understanding of Object-Oriented Design (OOD) and Design Patterns.
• Experience with relational and NoSQL databases.
• Hands-on experience with cloud platforms such as AWS, Azure, or Google Cloud Platform.
• Experience with containerization and orchestration technologies.
• Strong understanding of distributed systems and event-driven architectures.
• Experience with unit testing and integration testing frameworks.

Required Technical Skills

Backend Technologies

• Java 8/11/17+
• Spring Boot
• Spring Framework
• Spring Security
• Spring MVC
• Spring Data JPA
• Hibernate
• RESTful APIs
• GraphQL (Preferred)

Microservices & Integration

• Microservices Architecture
• API Gateway
• Service Discovery
• OpenFeign
• OAuth 2.0
• JWT Authentication
• Kafka
• RabbitMQ
• ActiveMQ

Databases

• Oracle
• SQL Server
• PostgreSQL
• MySQL
• MongoDB
• Cassandra
• Redis

Cloud Technologies

• AWS (EC2, ECS, EKS, Lambda, S3, RDS)
• Azure
• Google Cloud Platform (Google Cloud Platform)

DevOps & CI/CD

• Jenkins
• GitHub Actions
• GitLab CI/CD
• Azure DevOps
• Maven
• Gradle

Containerization & Orchestration

• Docker
• Kubernetes
• OpenShift

Monitoring & Logging

• Splunk
• ELK Stack
• Grafana
• Prometheus
• Dynatrace

Testing Frameworks

• JUnit
• Mockito
• TestNG
• Cucumber
• REST Assured

Preferred Qualifications

• Experience with high-volume transactional systems.
• Experience in Banking, Financial Services, Insurance, Healthcare, Retail, or E-commerce domains.
• Knowledge of Domain-Driven Design (DDD).
• Experience with Event-Driven Architecture and CQRS patterns.
• Exposure to Serverless Architecture.
• Experience implementing security best practices and compliance requirements.
• Cloud certifications (AWS/Azure/Google Cloud Platform) are highly desirable.