Full Stack Developer

Job Description

Full Stack Developer

Chennai, Tamil Nadu

Job Summary

Senior Full Stack Developer - Java & React (5-10 Years)

Experience: 5-10 Years

Role Summary

We are looking for a Senior Full Stack Developer who can own complex features end-to-end, drive technical decisions, and ensure scalability, security, and performance across the stack. You will work closely with architects, product owners, and junior engineers to deliver high-quality solutions.

Key Responsibilities

Architecture & Design

• Design and evolve RESTful API contracts using Swagger/OpenAPI
• Define backend microservices architecture and frontend modular design
• Ensure solutions scale for performance, security, and maintainability

Backend Development

• Build and maintain services using Java (8+/17), Spring Boot
• Implement Spring Security with OAuth2/OIDC/JWT
• Design and optimize databases, queries, and indexing strategies
• Implement asynchronous communication using Kafka / RabbitMQ
• Write clean, testable, and production-grade code

Frontend Development

• Build scalable UI using React, TypeScript
• Use advanced React patterns (Hooks, Context, React Query/Redux)
• Optimize frontend performance (lazy loading, memoization, CRP optimization)
• Ensure accessibility, responsiveness, and cross-browser compatibility
• Write test cases using jest

DevOps & Cloud

• Design and maintain CI/CD pipelines (Jenkins/GitHub Actions/GitLab)
• Containerize applications using Docker and deploy via Kubernetes
• Work with cloud platforms (AWS/Azure/GCP) for application deployment
• Ensure observability using logs, metrics, and monitoring tools

Quality & Leadership

• Drive automated testing across the stack
• Conduct rigorous code reviews and enforce best practices
• Mentor junior developers and guide technical implementations
• Collaborate in Agile/Scrum teams and contribute to sprint planning

Production Support (L2/L3)

• Own and resolve medium to high-severity incidents
• Perform root cause analysis (RCA) and implement preventive solutions
• Support deployments, hotfixes, and rollback activities
• Improve system stability and performance

Backend Support

• Debug and optimize Spring Boot services
• Analyze and tune SQL queries and indexes
• Fix transaction, concurrency, and data integrity issues
• Handle security-related fixes (auth, authorization, validations)

Frontend Support

• Debug complex React issues (state management, API failures)
• Fix performance issues and rendering bugs
• Support browser and device compatibility

Skill Requirements

Required Skills (Must-Have)

Backend

• Strong expertise in Java 8+/17 & Spring Boot
• Spring Security (OAuth2, JWT, OIDC)
• Microservices architecture
• SQL & database optimization

Frontend

• Strong hands-on experience with React & TypeScript
• Advanced understanding of hooks, state management
• Experience integrating APIs and handling async workflows

DevOps & System Design

• Docker & Kubernetes
• CI/CD pipelines
• Git-based workflows
• Understanding of distributed systems concepts

Nice to Have (Value Add Skills)

• Cloud-native architecture experience
• Infrastructure as Code (Terraform/CloudFormation)
• React Testing Library, Cypress, Playwright
• GraphQL exposure
• WebSockets / real-time UI updates
• Experience working on high-traffic applications
• Prior experience in mentoring or technical leadership roles

Other Requirements

Apply now

Information at a Glance

Why HCLTech?

At HCLTech, youll supercharge your potential. Youll find your career. And youll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.