React.js Frontend Developer (Senior) – Javascript

Winzons; India; On-site; INR 1,200,000 - 1,800,000; Full time

Job summary

VectorStack in Bengaluru, India is seeking a Senior Frontend Developer with 4-5 years of hands-on React JS experience to build web and mobile interfaces and integrate with backend services. You will leverage AI-assisted coding tools to accelerate prototyping while maintaining high code quality and performance.

The ideal candidate has a Bachelor's degree in CS/Engineering, strong JavaScript/TypeScript skills, and a track record of delivering production-grade frontend features in collaborative

Qualifications

• Bachelor's degree in Computer Science, Engineering, IT, or a related field.
• 4-5 years of professional frontend development experience with React JS.
• Experience building production-grade web or mobile frontend modules.
• Ability to integrate frontend with backend APIs and authentication flows.

Responsibilities

• Design and develop frontend modules for web and mobile apps using React JS and related technologies.
• Build reusable components, multi-screen workflows, and responsive experiences.
• Integrate frontend with backend APIs, authentication flows, databases through APIs, and third-party services.
• Collaborate across product, backend, QA, and design teams to deliver features end-to-end.
• Use AI-assisted coding tools to rapidly prototype and produce production-ready modules.
• Lead code reviews, mentor juniors, and enforce frontend best practices.

Skills

React JS

JavaScript

TypeScript

React Native

AI-assisted coding

Frontend architecture

Education

Bachelor's degree in Computer Science/Engineering/IT

Tools

Cursor

GitHub Copilot

ChatGPT

Claude

Job description

Company Name: VectorStack

Job Role: Frontend Developer (JavaScript/TypeScript)

Experience Required: 4 to 5 Years

Location: Bangalore, India

Qualification: Bachelor's Degree in Computer Science, Engineering, IT, or related field

Industry: Information Technology / Software Development

Job Summary :

We are seeking a Senior Frontend Developer with 4- 5 years of experience in React JS, frontend engineering, web and mobile application development, and AI-assisted coding. The ideal candidate should be very strong in frontend implementation, understand modules end-to-end, integrate across backend services and multiple screens, and rapidly convert requirements into working product features using modern development practices and AI-assisted tools.

Responsibilities :

• Design and develop high-quality frontend modules for web and mobile applications using React JS and related frontend technologies.
• Build complex user interfaces, reusable components, multi-screen workflows, and responsive application experiences.
• Integrate frontend modules with backend APIs, authentication flows, databases through APIs, and third party services.
• Understand product requirements deeply and translate them into complete frontend implementation with minimal supervision.
• Use AI-assisted coding tools to rapidly build, test, debug, and improve frontend modules while maintaining engineering quality.
• Collaborate with backend, AI/ML, QA, product, and design teams to ensure end-to-end delivery of application features.
• Handle frontend architecture, state management, route management, performance optimization, and code organization.
• Troubleshoot UI defects, integration issues, data flow problems, and performance bottlenecks across application screens.
• Guide junior developers, conduct code reviews, and ensure frontend best practices are followed across modules.
• Participate in sprint planning, requirement breakdowns, technical discussions, and delivery reviews.

Required Skills :

• Very strong hands-on experience in React JS and modern frontend development.
• Good working knowledge of React Native or mobile-first frontend development.
• Strong understanding of JavaScript, TypeScript, HTML, CSS, component architecture, state management, and design patterns.
• Ability to build and manage multiple screens, modules, reusable components, and responsive layouts.
• Strong understanding of frontend-backend integration, REST APIs, JSON, authentication flows, and application data handling.
• Ability to understand frontend modules in depth, identify dependencies, and deliver complete implementation.
• Strong AI-assisted coding capability using tools such as Cursor, GitHub Copilot, ChatGPT, Claude, or similar platforms, with the ability to rapidly build working prototypes and production-ready modules.
• Good understanding of mobile and web performance optimization, debugging, testing, and release readiness.
• Strong logical reasoning, implementation ownership, and attention to detail.

Requirements :

• Bachelor's degree in Computer Science, Engineering, IT, or a related field.
• 4- 5 years of professional experience in frontend development using React JS and related technologies.
• Strong experience building frontend modules for production-grade web or mobile applications.
• Proven ability to integrate frontend systems with backend APIs and deliver end-to-end working features.
• Ability to work independently on complex frontend requirements and convert them into complete implementation.
• Experience working with cross-functional teams across product, backend, QA, and design.
• Comfortable using AI-assisted development workflows while maintaining code quality and maintainability.
• Good communication skills and ability to explain technical decisions clearly.
• Experience with Agile/Scrum development methodologies.

Preferred Qualifications :

• Experience with React Native, Flutter, or hybrid mobile application development.
• Exposure to backend development concepts or full-stack implementation.
• Experience with AWS, CI/CD, hosting, deployment workflows, or frontend release pipelines.
• Experience with testing frameworks, debugging tools, and performance profiling.
• Experience mentoring junior frontend engineers or owning frontend modules independently.