Senior Java Developer

Job Summary:

We are seeking an experienced Senior Java Developer with 12+ years of hands-on experience in designing, developing, and maintaining scalable enterprise applications. The ideal candidate should possess strong expertise in Java, Spring ecosystem, microservices architecture, and cloud-based solutions. The role involves technical leadership, architecture design, code reviews, and mentoring junior developers.

Key Responsibilities:

• Design, develop, and maintain high-performance, scalable, and secure Java applications.

• Lead architecture discussions and design robust backend systems.

• Develop RESTful APIs and microservices using Spring Boot.

• Work with front-end teams and other stakeholders for seamless integration.

• Optimize application performance and troubleshoot production issues.

• Implement best coding practices, design patterns, and code reviews.

• Guide and mentor junior developers.

• Participate in Agile/Scrum ceremonies.

• Ensure application security, scalability, and reliability.

• Integrate third-party APIs and external systems.

Required Skills & Technical Expertise:

Core Technologies:

• Strong expertise in Java (8/11/17+)

• Spring Framework (Spring Boot, Spring MVC, Spring Security)

• Microservices Architecture

• RESTful Web Services

• Hibernate / JPA

• Multithreading & Concurrency

Databases:

• MySQL / PostgreSQL / Oracle

• NoSQL (MongoDB, Cassandra)

Cloud & DevOps:

• AWS / Azure / Google Cloud Platform

• Docker & Kubernetes

• CI/CD (Jenkins, GitLab CI)

• Git / Bitbucket

Messaging & Caching:

• Kafka / RabbitMQ

• Redis / Hazelcast

Other:

• Design Patterns & SOLID Principles

• System Design & Architecture

• Performance Tuning

• Unit Testing (JUnit, Mockito)

• SonarQube / Code Quality Tools

Preferred Qualifications:

• Experience in distributed systems

• Exposure to event-driven architecture

• Experience with containerized deployments

• Knowledge of security best practices (OAuth2, JWT)

• Experience working in Agile environment