Lead Software Engineer - Frontend (React JS + Next/NodeJS)

About Gartner IT: Join a world-class team of skilled engineers who build creative digital solutions to support our colleagues and clients. We make a broad organizational impact by delivering cutting-edge technology solutions that power Gartner. Gartner IT values its culture of nonstop innovation, an outcome-driven approach to success, and the notion that great ideas can come from anyone on the team.

Gartner is seeking a highly skilled and motivated Lead Software Engineer to join our Product Delivery Organization. This role is ideal for an experienced frontend engineering leader who can drive requirements end-to-end, architect scalable and high-performing web solutions, and mentor teams while delivering exceptional user experiences. The ideal candidate combines strong hands-on expertise in React, JavaScript, frontend architecture, performance optimization, and modern web engineering practices with the ability to lead technical initiatives across multiple stakeholders.

Lead the design, development, and delivery of modern web applications using React and JavaScript. Drive business and technical requirements from discovery through implementation and production rollout. Architect 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. 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. Mentor engineers and foster a culture of technical excellence, innovation, and continuous learning.

A strong software engineering professional with 6+ years of experience building and architecting enterprise-scale web applications. The ideal candidate should demonstrate exceptional problem-solving abilities, technical leadership, and a passion for delivering high-quality user experiences. Must Have 6+ years of software development experience with strong expertise in ReactJS, NextJS/NodeJS and JavaScript . Proven experience leading 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. Experience measuring and optimizing application performance using Core Web Vitals , including FCP, LCP, CLS, and related web performance metrics. 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.

Bachelor’s degree or