Core Java Developer

4 days ago

Chennai, Tamil Nadu, India Expertrons Delhi Full time ₹ 5,00,000 - ₹ 8,00,000 per year

Key Responsibilities

  • Software Development & Implementation
  • Design, develop, and maintain Java applications using frameworks like Spring Boot,Hibernate, and JPA.
  • Implement RESTful APIs, SOAP web services, and microservices-based architectures.
  • Ensure code quality, reusability, and adherence to best practices.
  • Optimize application performance and scalability.
  • Back-End Development & API Integration
  • Develop and integrate APIs for seamless data exchange between front-end and back-end systems.
  • Implement authentication and authorization mechanisms (OAuth, JWT, Spring Security).
  • Work with messaging systems like RabbitMQ, Kafka for asynchronous processing.
  • Database Management
  • Work with SQL and NoSQL databases (MySQL, PostgreSQL, MongoDB) for data persistence.
  • Write optimized queries and stored procedures for database interactions.
  • Ensure database security, indexing, and optimization for better performance.
  • Testing & Debugging
  • Perform unit testing using JUnit, Mockito and integration testing for ensuring code reliability.
  • Debug and troubleshoot performance issues, memory leaks, and runtime exceptions.
  • Implement logging mechanisms using Log4j, SLF4J.
  • CI/CD & DevOps Collaboration
  • Work with DevOps teams to integrate code into CI/CD pipelines (Jenkins, GitLab CI/CD,Azure DevOps).
  • Utilize containerization tools like Docker, Kubernetes for application deployment.
  • Collaborate on cloud-based deployments using AWS, Azure, or Google Cloud.
  • Security & Performance Optimization
  • Ensure application security using encryption, authentication, and secure coding standards.
  • Optimize Java applications for speed and efficiency.
  • Identify and resolve vulnerabilities following OWASP best practices.
  • Agile Development & Team Collaboration
  • Participate in Agile/Scrum ceremonies (sprint planning, daily stand-ups, retrospectives).
  • Work with product managers, business analysts, and UI/UX designers to refine requirements.
  • Collaborate with front-end developers to integrate APIs and enhance user experience.
  • Documentation & Continuous Learning
  • Maintain technical documentation, including system architecture and API documentation.
  • Stay updated with Java advancements, frameworks, and best practices.
  • Contribute to knowledge-sharing sessions and team mentorship.

Requirements
Technical Skills:

  • Core Java (JDK 11+), Spring Boot, Hibernate, JPA.
  • Microservices architecture, RESTful APIs, SOAP web services.
  • SQL (MySQL, PostgreSQL), NoSQL (MongoDB, Cassandra).
  • Testing frameworks (JUnit, Mockito).
  • Version control (Git, GitHub, GitLab, Bitbucket).
  • CI/CD tools (Jenkins, Docker, Kubernetes).
  • Cloud services (AWS, Azure, GCP) - optional but preferred.
  • Angular development

Soft Skills

  • Strong analytical and problem-solving skills.
  • Effective communication and teamwork abilities.
  • Ability to work in a fast-paced, Agile environment.
  • Attention to detail and passion for software development.

Preferred Qualifications

  • Certifications like Oracle Certified Java Programmer (OCJP), Spring Professional Certification

are a plus.

Skills: spring boot,jpa,sql,core java,docker,soap web services,github,kubernetes,git,nosql,hibernate,microservices architecture,junit,jenkins,bitbucket,angular,mockito,gitlab,restful apis

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