Backend Developer

Requirements

Senior Java Developer

Key Responsibilities

Application Development & Integration:

• Design and develop complex, scalable, high-performance Java-based backend systems
• Implement RESTful services and microservices using Spring Boot and related technologies
• Build efficient and testable code following best practices and design patterns
• Ensure secure authentication and authorization using OAuth2 and JWT
• Collaborate with QA for robust testing and defect resolution
• Optimize database design and query performance
  

Architecture & Code Quality:

• Engage in architecture-level discussions with solution architects
• Ensure high code quality through unit testing (JUnit), static code analysis, and peer reviews
• Create and maintain detailed technical documentation and coding standards
• Resolve bugs, memory management issues, performance bottlenecks, and multithreading challenges
  

Collaboration & Agile Practice:

• Work in cross-functional teams including product managers, UX designers, and developers
• Participate in agile ceremonies such as daily stand-ups, sprint planning, and retrospectives
• Stay up to date with emerging technologies and propose improvements
• Contribute to CI/CD pipelines and deployment best practices
  

Required Skills & Qualifications:

• Bachelor's degree in Computer Science, Engineering, or a related field
• 5+ years of hands-on backend development experience using Java
• Expertise in Spring Boot, Spring MVC, Spring Security, and Spring Data JPA
• Strong knowledge of RESTful API development and microservices architecture
• Familiarity with multithreading, synchronization, and memory management in Java
• Experience with relational databases (MySQL, PostgreSQL, Oracle) and strong SQL skills
• Knowledge of NoSQL databases such as MongoDB or Cassandra
• Proficiency in debugging, problem-solving, and algorithm design.
  

Preferred Qualifications:

• Experience with authentication and authorization mechanisms (OAuth2, JWT)
• Exposure to caching mechanisms (Redis, Ehcache)
• Familiarity with messaging queues and microservice communication (e.g., gRPC, RabbitMQ)
• Understanding of DevOps and CI/CD tools
• Experience in Agile/Scrum environments
• Excellent communication and interpersonal skills