Senior Software Engineer (React JS, Next JS, Cloud)

Gartner; Chennai District; Hybrid; INR 3,000,000 - 4,000,000; Full time

Job summary

Gartner seeks a Senior Software Engineer (IC) to lead frontend initiatives in its Product Delivery Organization. The role focuses on building scalable, high-performing web solutions using ReactJS, NextJS/NodeJS, and modern frontend practices.

You will drive requirements end-to-end, shape architectural decisions, and collaborate with Product Managers, UX designers, and engineers to deliver exceptional user experiences.

Qualifications

• 4+ years of experience building enterprise-scale web applications.
• Strong ReactJS, NextJS and JavaScript expertise.
• Experience with frontend architecture patterns: Micro Frontends, SPA, Module Federation.
• Hands-on experience with modern bundlers: Webpack, Rollup, Vite.
• Solid understanding of WCAG accessibility standards.

Responsibilities

• Lead the design, development, and delivery of modern web applications using ReactJS, NextJS/NodeJS and JavaScript.
• Drive business and technical requirements from discovery through implementation and production rollout.
• Architect scalable frontend solutions using Micro Frontends, SPA, and Module Federation.
• Design and build reusable UI components, frameworks, and shared libraries for consistency across products.
• Collaborate with Product Managers, UX Designers, and Engineering teams to translate requirements into technical solutions.
• Evaluate and implement frontend tooling and build systems such as Webpack, Rollup, and Vite.
• Focus on improving Core Web Vitals (FCP, LCP) and overall performance.
• Contribute to architectural decisions and modernization initiatives.
• Partner with cross-functional teams to deliver scalable and maintainable solutions.
• Foster a culture of technical excellence and continuous learning.

Skills

ReactJS

NextJS

JavaScript

Frontend architecture

Performance optimization

AWS

SSR with Next.js

Education

Bachelor's degree in Computer Science

Tools

Webpack

Rollup

Vite

Job description

About the Role

Gartner is seeking a highly skilled and motivated Senior Software Engineer (Individual Contributor) to join our Product Delivery Organization. This role is ideal for an experienced frontend engineering lead who can drive requirements end-to-end, build scalable and high-performing web solutions, and collaborate with teams while delivering exceptional user experiences. The ideal candidate combines strong hands‑on expertise in ReactJS, NextJS/NodeJS, JavaScript, frontend architecture, performance optimization, and modern web engineering practices with the ability to handle technical initiatives across multiple stakeholders.

What You Will Do

• Lead the design, development, and delivery of modern web applications using ReactJS, NextJS/NodeJS and JavaScript.
• Drive business and technical requirements from discovery through implementation and production rollout.
• Ability to participate in architecting scalable frontend solutions using modern architectural patterns such as Micro Frontends, Single Page Applications (SPA), and Module Federation.
• Design and build reusable UI components, frameworks, and shared libraries that enable consistency across products.
• Collaborate closely with Product Managers, UX Designers, and Engineering teams to translate business requirements into technical solutions.
• Evaluate and implement modern frontend tooling and build systems using Webpack, Rollup, Vite, and related bundling technologies.
• Ensure high code quality through code reviews, unit testing, accessibility compliance, and engineering best practices.
• Participate/drive application performance improvements by measuring and optimizing Core Web Vitals, including FCP (First Contentful Paint) and LCP (Largest Contentful Paint).
• Contribute to architectural decisions and provide technical leadership for modernization and transformation initiatives.
• Partner with cross-functional teams to deliver highly available, scalable, and maintainable solutions.
• Collaborate well with other engineers and foster a culture of technical excellence, innovation, and continuous learning.
• Bring innovative and modern ideas that positively impact user experience.

What You Will Need

A strong software engineering professional with 4+ years of experience building enterprise-scale web applications. The ideal candidate should demonstrate exceptional problem‑solving abilities and a passion for delivering high‑quality user experiences.

Must Have

• 4+ years of software development experience with strong expertise in ReactJS, NextJS and JavaScript.
• Proven experience working on frontend initiatives and driving requirements end-to-end.
• Strong knowledge of frontend architecture patterns, including:
  • Micro Frontends
  • Single Page Applications (SPA)
  • Module Federation
• Hands‑on experience with modern bundlers and build tools such as:
  • Webpack
  • Rollup
  • Vite
• Deep understanding of JavaScript fundamentals, design patterns, and software engineering best practices.
• Strong experience with unit testing frameworks and frontend testing methodologies.
• Good understanding and implementation experience of web accessibility (WCAG) standards and best practices.
• Strong understanding of scalable frontend application design and component‑driven development.
• Excellent problem‑solving, debugging, and analytical skills.
• Experience working effectively in Agile/Scrum environments.
• Experience with cloud platforms such as AWS, including AWS Lambda and serverless architectures
• Experience implementing Server‑Side Rendering (SSR) solutions using frameworks such as Next.js. will be an added advantage

Who You Are:

• Bachelor's degree or foreign equivalent in Computer Science or a related field.
• Strong technical leader with the ability to influence architectural and engineering decisions.
• Excellent communication, collaboration, and stakeholder management skills.
• Ability to work independently while thriving in a fast‑paced Agile environment.
• Takes ownership and accountability for the successful delivery of solutions.
• Passionate about engineering excellence, innovation, and continuous improvement.
• Committed to learning and staying current with evolving frontend technologies, frameworks, and architecture patterns.
• Enjoys mentoring and developing engineers while fostering a collaborative team culture.