Core Java Developer

Expertrons Delhi; Chennai; On-site; INR 800,000 - 1,200,000; Full time

Job summary

A tech-driven consulting firm in Chennai seeks a Java Software Engineer to design, develop, and maintain applications using Java technologies. Responsibilities include implementing microservices and collaborating with DevOps teams for deployment. Ideal candidates will have strong skills in Java, Spring Boot, and RESTful APIs, with a proven ability to work in an Agile environment. This is a full-time position at a mid-senior level.

Qualifications

• Strong analytical and problem-solving skills.
• Effective communication and teamwork abilities.
• Ability to work in a fast-paced, Agile environment.

Responsibilities

• Design, develop, and maintain Java applications.
• Implement RESTful APIs and microservices.
• Collaborate with DevOps for CI/CD pipeline integration.

Skills

Core Java (JDK 11+)

Spring Boot

Hibernate

Microservices architecture

RESTful APIs

SQL (MySQL, PostgreSQL)

NoSQL (MongoDB)

JUnit

Git

CI/CD tools (Jenkins, Docker)

Tools

Docker

Kubernetes

AWS

Azure

Google Cloud

Job description

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Overview

This range is provided by Expertrons Delhi. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

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.

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Engineering and Information Technology

Industries

• Professional Training and Coaching

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