Summary
Overview
Work History
Education
Skills
Timeline
Generic

Rajneesh Kumar

Summary

Experienced Java Developer with 3+ years of professional experience at Tata Consultancy Services. Proficient in Java, Spring Boot, Microservices, Hibernate, RESTful web services and ATG Commerce. Strong problem-solving abilities and a commitment to creating high-quality software solutions. Adept at collaborating with cross-functional teams and communicating effectively with stakeholders.

Overview

3
3
years of professional experience

Work History

Systems Engineer

Tata Consultancy Services
08.2022 - Current
  • Participated in the full software development lifecycle, including requirements gathering, design, development, testing, and deployment.
  • Architected and developed multiple RESTful services using Spring Boot.
  • Integrated Docker with CI/CD pipelines, resulting in faster release cycles and improved automation.
  • Designed and created CI/CD pipelines, leveraging the power of Gitlab CI, for the new microservice and migrated from Jenkins to Gitlab for the existing, which helped in increasing revenues by 20%.
  • Implemented caching strategies in microservices, improving response times by up to 50%.
  • Mentored junior developers in Java and Spring Boot best practices, resulting in a 40% reduction in onboarding time and improved code quality across the team.

Assistant System Engineer

Tata Consultancy Services
08.2021 - 07.2022
  • Developed and maintained Java applications, ensuring high performance, responsiveness, and scalability.
  • Implemented RESTful web services using Spring Boot, facilitating seamless communication between different components of the system.
  • Providing L3 level production support for the microservice in production and troubleshooting the issues.
  • Deployed Java applications by configuring application servers like Apache Tomcat
  • Worked closely with DevOps to automate deployment pipelines, reducing release times by 30%.
  • Worked on projects for migrating legacy Java-based applications to a new tech stack.

Education

Bachelor of Technology - Computer Science & Engineering

Heritage Institute of Technology
Kolkata, India
07-2021

Skills

  • Languages: Java, SQL, HTML/CSS, JSP
  • Frameworks: Spring Boot, Spring MVC, Spring Cloud, JPA, Hibernate, ATG Commerce
  • Databases: MySQL, PostgreSQL, and Oracle
  • Tools: Git, Gradle, Maven, Docker Containers, Jenkins, GitLab CI/CD, Kubernetes, Tomcat Server, GitHub, Spring Security, Jira, Postman, Swagger
  • Architecture: Monolithic and Microservices
  • Web Services: REST
  • Methodologies: Agile, Scrum, Waterfall

Timeline

Systems Engineer

Tata Consultancy Services
08.2022 - Current

Assistant System Engineer

Tata Consultancy Services
08.2021 - 07.2022

Bachelor of Technology - Computer Science & Engineering

Heritage Institute of Technology
Rajneesh Kumar