Java Full Stack - React

Kumaran Systems; Hyderabad; Hybrid; INR 1,200,000 - 1,800,000; Full time

Job summary

Kumaran Systems in Hyderabad is seeking a Java Full Stack with React Programmer/Senior Programmer to join a growing engineering team. You will build scalable, enterprise web applications spanning the front end to back end, with strong emphasis on performance and security.

The role requires 5–7 years of experience with Java, Spring Boot, and React, plus expertise in RESTful services, Oracle SQL, and Agile practices. Hybrid work includes 3 days in office at HYD/Chennai locations.

Qualifications

• 5–7 years of full‑stack Java/React experience.
• Hands‑on with Java, Spring Boot, React, and RESTful APIs.
• Experience with Oracle SQL and PL/SQL is mandatory.
• Strong frontend skills: React, HTML5, CSS3.
• Experience with Agile, CI/CD, and Git.

Responsibilities

• Design, develop, and maintain full‑stack web applications using JAVA and React.
• Build and support RESTful services using Spring Boot and Spring MVC.
• Develop and optimize Oracle SQL/PL/SQL database components.
• Integrate front‑end with back‑end services and databases.
• Collaborate with architects, QA, and cross‑functional teams.
• Participate in code reviews, testing, and performance tuning.
• Drive application modernization and handle production issues.

Skills

React

JavaScript

HTML5

CSS3

Agile

CI/CD

Git

Spring Boot

REST APIs

Microservices

Tools

Oracle SQL

PL/SQL

REST/Web Services

Job description

About Us

Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and embracing AI-led possibilities. With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building automation-first, GenAI-enabled ecosystems across the Banking and Financial Services, Insurance, Telecom, and Automotive sectors. We help organisations not just upgrade their systems but reimagine what’s possible.

About Us

Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and embracing AI-led possibilities. With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building automation-first, GenAI-enabled ecosystems across the Banking and Financial Services, Insurance, Telecom, and Automotive sectors. We help organisations not just upgrade their systems but reimagine what’s possible.

Why Kumaran?

We blend engineering discipline with AI innovation, helping clients modernise with confidence, automate with clarity, and scale with purpose. Our global delivery model ensures agility, responsiveness, and seamless collaboration, with clients always at the heart of every engagement. At Kumaran, we don’t just solve problems, we engineer future‑ready transformations.

Java Full Stack with React Programmer/Senior Programmer

with strong expertise in Java and React to join our growing engineering team. The ideal candidate will have hands‑on experience building scalable, high‑performance enterprise web applications across the full technology stack — from responsive front‑end interfaces to robust back‑end services and optimized database components.

Key Objectives

This is a full‑time – Hybrid – 3 days in the office.

Work Location – HYD (Gachibowli) / Chennai (Guindy Olympia Tech Park/SIPCOT Siruseri).

No. of Positions – 3

Notice Period – Immediate

Key Responsibilities

Total Relevant Experience Required - 5 to 7 years.

• Design, develop, and maintain full‑stack web applications using JAVA and React.
• Build and support RESTful services using Spring Boot and Spring MVC
• Develop and optimize Oracle SQL OR Oracle SQL & PL/SQL database components
• Integrate front‑end applications seamlessly with back‑end services and databases
• Conduct code reviews, unit testing, debugging, and performance tuning
• Collaborate with architects, business analysts, QA, and cross‑functional teams to deliver high‑quality solutions
• Contribute to application modernization, feature enhancements, and production issues resolution
• Follow and promote best practices in software design, security, and engineering
• Experience working in Agile development environments
• Familiarity with CI/CD pipelines, Git, and modern software engineering practices
• Exposure to cloud platforms or containerization is a plus

Required Skills & Qualifications

• Strong experience in React, JavaScript, HTML5, and CSS3
• Proven ability to build responsive and reusable UI components
• Proficiency in integrating React applications with REST APIs and Web Services
• Strong expertise in Java, Spring Boot, and Spring MVC
• Experience designing and developing scalable enterprise applications

Solid Understanding Of

• OOP principles
• Exception handling
• Data structures
• Performance optimization techniques

• Hands‑on experience designing and consuming RESTful APIs and Web Services
• Strong knowledge of JSON, API security, and service integration
• Experience with Microservices architecture
• Oracle SQL — Mandatory
• PL/SQL — Added Advantage

Experience Developing

• Stored procedures, packages, and functions
• Performance‑tuned SQL queries