We are looking for a highly experienced Lead Frontend Architect / React Architect to lead the design and development of scalable, high-performance web applications. The ideal candidate should have strong expertise in React.js, modern frontend architecture, and component-driven development along with experience integrating advertisement platforms such as Google Ads, Google Ad Manager (GAM), AdSense, AdMob, DFP, or other AdTech/advertising solutions. Key Responsibilities: Architect and lead frontend development using React.js, TypeScript, JavaScript, Redux, and modern UI frameworks Design scalable, reusable, and high-performing frontend systems and components Work closely with product, backend, and business teams to deliver seamless user experiences Lead advertisement integrations including Google Ads, Ad Manager, programmatic ads, ad tags, tracking, and monetization solutions Optimize frontend performance, page speed, responsiveness, and ad rendering efficiency Mentor developers and establish frontend best practices, coding standards, and architecture guidelines Collaborate on system design, scalability, and cloud-based deployments Required Skills: Strong hands-on experience with React.js and frontend architecture Expertise in JavaScript/TypeScript, Redux, REST APIs, HTML5, CSS3 Experience with AdTech / advertising integrations is highly preferred Strong understanding of scalable UI architecture and performance optimization Experience leading frontend teams or architecting enterprise-grade applications Preferred: Experience with Google Ads ecosystem, GAM/DFP, AdSense, AdMob, or programmatic advertising Exposure to analytics, tracking, and monetization platforms Cloud/platform experience is a plus Looking for someone who can drive frontend architecture decisions while also bringing strong AdTech integration experience.