Java Fullstack Developer

Kumaran; Hyderabad; On-site; INR 900,000 - 1,500,000; Full time

Job summary

Kumaran Systems in Hyderabad is seeking a skilled Java developer to design, develop, and maintain end-to-end web applications using Java and modern front-end frameworks.

You will build RESTful APIs, collaborate with architects, BA, QA and DevOps, implement tests, CI/CD pipelines, and optimize performance to deliver robust software on time.

Qualifications

• Bachelor’s/Master’s degree in Computer Science, IT, or related field (or equivalent experience).
• Strong experience with Java (8 or above).
• Hands-on with Spring / Spring Boot, Spring MVC, Spring Data, Spring Security.
• Experience in building RESTful APIs / microservices.
• Frontend: HTML5, CSS3, JavaScript; modern framework (Angular / React / Vue).
• Familiarity with responsive design and cross-browser compatibility.
• Experience with RDBMS (MySQL, PostgreSQL, Oracle) and SQL; NoSQL is a plus.

Responsibilities

• Design, develop, and maintain end-to-end web applications using Java and front-end frameworks.
• Develop RESTful APIs / microservices using Java, Spring / Spring Boot.
• Collaborate with architects, business analysts, QA, and DevOps to deliver high-quality features on time.
• Write clean, modular, testable code following coding standards and best practices.
• Integrate applications with databases (RDBMS/NoSQL) and external systems.
• Participate in code reviews, design discussions, and technical decision-making.
• Implement unit tests, integration tests, and support CI/CD pipelines.
• Troubleshoot and resolve production issues and performance bottlenecks.

Skills

Java

Spring

RESTful APIs

JavaScript

HTML5

CSS3

Angular

React

Vue

SQL

NoSQL

Git

CI/CD

Agile/Scrum

OOP

Design patterns

Debugging

Communication

Education

Bachelor’s/Master’s degree in CS/IT

Tools

Docker

Kubernetes

Jenkins

GitLab CI

Azure DevOps

Webpack

Job description

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.

Job Description

Key Responsibilities

• Design, develop, and maintainend-to-end web applicationsusing Java and front-end frameworks.
  
• DevelopRESTful APIs / microservicesusing Java, Spring / Spring Boot.
  
• Collaborate witharchitects, business analysts, QA, and DevOpsto deliver high-quality features on time.
  
• Writeclean, modular, testablecode following coding standards and best practices.
  
• Integrate applications withdatabases(RDBMS/NoSQL) and external systems.
  
• Participate incode reviews, design discussions, and technical decision-making.
  
• Implementunit tests, integration tests, and support automated testing and CI/CD pipelines.
  
• Troubleshoot and resolveproduction issues, performance bottlenecks, and defects.
  

Required Skills & Qualifications

• Education:Bachelor’s/Master’s degree in Computer Science, Information Technology, or related field (or equivalent experience).
  
• Strong experience withJava (8 or above)
  
• Hands-on withSpring / Spring Boot, Spring MVC, Spring Data, Spring Security
  
• Experience in buildingRESTful APIs / microservices
  
• Frontend:
  • Strong knowledge ofHTML5, CSS3, JavaScript
    
  • Experience with at least one modernJavaScript framework: Angular / React / Vue
    
  • Familiarity withresponsive designand cross-browser compatibility
    
• Database:
  • Experience withRDBMS(e.g., MySQL, PostgreSQL, Oracle)
    
  • Good understanding ofSQL, query optimization, and data modeling
    
  • Exposure toNoSQLdatabases (e.g., MongoDB, Cassandra) is a plus
    
• Tools & Processes:
  • Experience withGitor similar version control systems
    
  • Familiarity withCI/CD pipelines(Jenkins, GitLab CI, Azure DevOps, etc.)
    
  • Working experience inAgile/Scrummethodologies
    
• Other:
  • Strongproblem-solvinganddebuggingskills
    
  • Good understanding ofdesign patterns,OOP, andsoftware engineering principles
    
  • Excellentcommunicationandcollaborationskills
    

Preferred / Good-to-Have Skills

• Experience withcloud platforms(AWS / Azure / GCP) and cloud-native development.
  
• Knowledge ofcontainerization(Docker, Kubernetes).
  
• Experience withmessage queues(Kafka, RabbitMQ, etc.).
  
• Exposure tosecurity best practices(authentication, authorization, OWASP).
  
• Experience withfront-end build tools(Webpack, NPM, Yarn) andUI testingframeworks.
  
• Familiarity withDevOps practicesand monitoring tools (Prometheus, ELK, etc.).
  
• Strongownershipand accountability for deliverables.
  
• Ability to work independently as well as part of across-functional team.
  
• Adaptable to changing priorities andfast-paced environments.
  
• Proactive, with a continuous learning mindset and interest in new technologies.
  

Kumaran Systems is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran disability or genetic information or any other reason prohibited by law in employment.