A Senior Java Developer is responsible for designing, developing, testing, and maintaining scalable Java\-based applications and backend systems. They work closely with architects, product managers, DevOps teams, and junior developers to deliver high\-performance enterprise solutions.
Key Responsibilities
Design, develop, and maintain Java/J2EE applications
Build RESTful APIs and microservices using frameworks like Spring Boot
Write clean, scalable, and efficient code
Participate in system architecture and technical design discussions
Troubleshoot, debug, and optimize existing applications
Perform code reviews and mentor junior developers
Integrate applications with databases, third\-party services, and cloud platforms
Ensure application security, performance, and reliability
Create technical documentation and deployment guides
Support CI/CD pipelines and automated testing processes
Required Skills
Strong proficiency in Java, J2EE, and Object\-Oriented Programming (OOP)
Experience with Spring Boot, Spring MVC, Hibernate/JPA
Knowledge of REST APIs, Microservices Architecture
Strong SQL and database skills (MySQL, PostgreSQL, Oracle, MongoDB)
Experience with Git, Maven/Gradle, Jenkins, Docker, Kubernetes
Familiarity with cloud platforms like AWS, Azure, or GCP
Understanding of multithreading, concurrency, and JVM tuning
Experience with Kafka/RabbitMQ is a plus
Good analytical and problem\-solving skills
Strong communication and leadership abilities
Qualifications
Bachelor’s degree in Computer Science, IT, or related field
Typically 5–10\+ years of Java development experience
Experience working in Agile/Scrum environments
Preferred Technologies
Java 8/11/17
Spring Boot
Microservices
React/Angular (for full\-stack roles)
Docker \& Kubernetes
AWS/Azure
Kafka
Redis
Elasticsearch
Sample Job SummaryWe are looking for an experienced Senior Java Developer to design and develop high\-performance backend systems and enterprise applications. The ideal candidate should have strong expertise in Java, Spring Boot, Microservices, REST APIs, and cloud technologies, along with experience mentoring junior developers and working in Agile teams.