Core Java Developer

Expertrons Delhi; Bengaluru; On-site; INR 1,000,000 - 1,800,000; Full time

Job summary

A prominent technology firm in Bengaluru is seeking a Mid-Senior Level Software Developer experienced in Java applications. You will design and implement RESTful APIs, work on microservices architectures, and collaborate in an Agile environment. Ideal candidates will have a strong background in Java and modern software practices. This is a full-time role with a focus on back-end development and cloud integration.

Qualifications

• Experience with core Java and related frameworks is essential.
• Strong understanding of version control tools like Git.
• Experience in Agile development processes is required.

Responsibilities

• Develop and maintain Java applications using modern frameworks.
• Implement RESTful APIs for seamless integration.
• Work with CI/CD tools to enhance deployment efficiency.

Skills

Core Java (JDK 11+)

Spring Boot

Hibernate

Microservices architecture

RESTful APIs

SQL (MySQL, PostgreSQL)

NoSQL (MongoDB, Cassandra)

Testing frameworks (JUnit, Mockito)

Version control (Git)

CI/CD tools (Jenkins, Docker)

Education

Oracle Certified Java Programmer (OCJP)

Spring Professional Certification

Tools

Docker

Kubernetes

GitHub

Bitbucket

Job description

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Base pay range

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

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology

Industries

• Professional Training and Coaching

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