Sr. Frontend Developer ( React.JS)

Fulcrum Digital Inc; Maharashtra; On-site; INR 2,500,000 - 4,500,000; Full time

Job summary

Fulcrum Digital Inc is seeking a Senior Frontend Developer with deep React.js expertise to lead the development of high-performance web applications. You will design scalable frontend architectures, mentor junior developers, and collaborate with product and backend teams to deliver exceptional user experiences.

You will build reusable components, ensure performance and accessibility, and integrate with RESTful or GraphQL APIs.

Qualifications

• 7–10 years of professional frontend development experience with React.js.
• Expertise in JavaScript (ES6+), TypeScript, HTML5, CSS3/SASS.
• Deep experience with state management (Redux, MobX, or Context API).
• Proficient with frontend build tools (Webpack, Babel, Vite) and package managers (npm, Yarn).
• Strong understanding of responsive design, cross-browser compatibility, and web accessibility.
• Hands-on experience with RESTful APIs and GraphQL integration.
• Proficiency with version control (Git) and collaborative development workflows.
• Solid problem-solving, debugging, and performance optimization skills.
• Experience mentoring teams and guiding technical decisions.

Responsibilities

• Lead the development of sophisticated, responsive web applications using React.js.
• Architect and implement reusable frontend components and libraries for large-scale applications.
• Ensure high performance, scalability, and maintainability of frontend code.
• Collaborate with UI/UX designers to implement pixel-perfect and accessible interfaces.
• Integrate with backend APIs (RESTful or GraphQL) efficiently and securely.
• Conduct code reviews, enforce best practices, and mentor junior and mid-level developers.
• Stay updated with the latest frontend technologies and industry trends, recommending improvements where needed.
• Troubleshoot and resolve complex technical challenges across the frontend stack.

Skills

React.js

JavaScript (ES6+)

TypeScript

HTML5

CSS3/SASS

Redux

Context API

Next.js

RESTful APIs

GraphQL

Git

Performance optimization

Mentoring

Jest

React Testing Library

Cypress

CI/CD

Docker

Tools

Webpack

Babel

Vite

npm

Yarn

Job description

We are looking for an experienced Senior Frontend Developer with deep expertise in React.js to lead the development of complex, high-performance web applications. You will play a key role in designing scalable frontend architectures, mentoring junior developers, and collaborating closely with product and backend teams to deliver world-class user experiences.

About the Role

We are looking for an experienced Senior Frontend Developer with deep expertise in React.js to lead the development of complex, high-performance web applications. You will play a key role in designing scalable frontend architectures, mentoring junior developers, and collaborating closely with product and backend teams to deliver world-class user experiences.

Key Responsibilities

• Lead the development of sophisticated, responsive web applications using React.js.
• Architect and implement reusable frontend components and libraries for large-scale applications.
• Ensure high performance, scalability, and maintainability of frontend code.
• Collaborate with UI/UX designers to implement pixel-perfect and accessible interfaces.
• Integrate with backend APIs (RESTful or GraphQL) efficiently and securely.
• Conduct code reviews, enforce best practices, and mentor junior and mid-level developers.
• Stay updated with the latest frontend technologies and industry trends, recommending improvements where needed.
• Troubleshoot and resolve complex technical challenges across the frontend stack.

Required Skills & Qualifications

• 7–10 years of professional experience in frontend development, with a strong focus on React.js.
• Expertise in JavaScript (ES6+), TypeScript, HTML5, CSS3/SASS.
• Deep experience with state management (Redux, MobX, or Context API).
• Proficient with frontend build tools (Webpack, Babel, Vite) and package managers (npm, Yarn).
• Strong understanding of responsive design, cross-browser compatibility, and web accessibility.
• Hands-on experience with RESTful APIs and GraphQL integration.
• Proficiency with version control (Git) and collaborative development workflows.
• Solid problem-solving, debugging, and performance optimization skills.
• Experience mentoring teams and guiding technical decisions.

Preferred Skills

• Experience with Next.js or other SSR frameworks.
• Knowledge of testing frameworks (Jest, React Testing Library, Cypress).
• Familiarity with CI/CD pipelines, Docker, or cloud deployments.
• Exposure to Agile/Scrum methodologies and large-scale application architecture.