Full Stack Developer
ChennaiOn-siteSenior
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The post's words + ASAI's dataOn-site in Chennai.
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The job post
458 words · from HCLTech's careers siteJob 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
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