Sr Software Engineer (4+ yrs in Reactjs, Nextjs, Cloud)

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. 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/NodeJS 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 Nice to Have : Exposure to other cloud providers and cloud-native development practices. Experience measuring and optimizing application performance using Core Web Vitals, including FCP, LCP, CLS, and related web performance metrics. Knowledge of DevOps principles, CI/CD pipelines, and deployment automation. Experience with observability, monitoring, and performance analysis tools. Familiarity with containerization technologies and modern deployment practices. Experience leveraging AI-assisted development tools such as GitHub Copilot, ChatGPT, or similar solutions to accelerate development, improve code quality, enhance developer productivity, and streamline software delivery workflows. 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. Don’t meet every single requirement? We encourage you to apply anyway. You might just be the right candidate for this, or other roles. #LI-NS4 Who are we? At Gartner, Inc. (NYSE:IT), we guide the leaders who shape the world. Our mission relies on expert analysis and bold ideas to deliver actionable, objective business and technology insights, helping enterprise leaders and their teams succeed with their mission-critical priorities. Since our founding in 1979, we’ve grown to 20,000 associates globally who support over 13,000 client enterprises in ~90 countries and territories. We do important, interesting and substantive work that matters. That’s why we hire associates with the intellectual curiosity, energy and drive to want to make a difference. The bar is unapologetically high. So is the impact you can have here. What makes Gartner a great place to work? Our vast, virtually untapped market potential offers limitless opportunities – opportunities that may not even exist right now – for you to grow professionally and flourish personally. How far you go is driven by your passion and performance. We hire remarkable people who collaborate and win as a team. Together, our singular, unifying goal is to deliver results for our clients. Our teams are inclusive and composed of individuals from different geographies, cultures, religions, ethnicities, races, genders, sexual orientations, abilities and generations. We invest in great leaders who bring out the best in you and the company, enabling us to multiply our impact and results. This is why, year after year, we are recognized worldwide as a great place to work. Gartner is the world authority on AI At Gartner, you’ll join a company at the very center of the AI revolution. Gartner has proactive, objective guidance throughout clients’ AI journeys. We set the standard for how organizations leverage artificial intelligence to drive meaningful impact. You’ll have access to unmatched resources, expertise, and technology, and play a key role in helping Gartner and our clients innovate and grow as we leverage AI to transform business and technology landscapes. It’s an exciting time to be at Gartner, with limitless opportunities to make a real impact, grow your skills, and build a lasting, meaningful career in a field that’s reshaping the way we operate. If you’re passionate about AI and want to be part of a team that’s guiding the leaders who shape the world, Gartner is the place for you. What do we offer? Gartner offers world-class benefits, highly competitive compensation and disproportionate rewards for top performers. In our hybrid work environment, we provide the flexibility and support for you to thrive — working virtually when it's productive to do so and getting together with colleagues in a vibrant community that is purposeful, engaging and inspiring. Ready to grow your career with Gartner? Join us. The policy of Gartner is to provide equal employment opportunities to all applicants and employees without regard to race, color, creed, religion, sex, sexual orientation, gender identity, marital status, citizenship status, age, national origin, ancestry, disability, veteran status, or any other legally protected status and to seek to advance the principles of equal employment opportunity. Gartner is committed to being an Equal Opportunity Employer and offers opportunities to all job seekers, including job seekers with disabilities. 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