We're in search of a highly skilled Lead JavaScript Engineer who's passionate about crafting dynamic, responsive web and hybrid-mobile experiences. In this role, you'll apply your deep knowledge of JavaScript/TypeScript, React, and Next.js to produce fast-loading, search-optimized, mobile-first interfaces. Your focus will be on building web experiences that feel just as polished and native as mobile apps, while fine-tuning performance across both desktop browsers and mobile web views, including iOS Safari. By working in close partnership with backend developers, UX designers, and product owners, you'll turn interactive design concepts into clean, modular, reusable front-end code.ResponsibilitiesArchitect and develop fast, responsive web applications leveraging React and Next.js, making full use of capabilities like SSR, SSG, and API routesBring mobile-first, pixel-precise designs to life across every device type, with special attention paid to refining layouts, animations, and touch-based interactions for mobile browsers on iOS and AndroidHandle intricate client-side state through tools like Redux, Zustand, or Context API, while connecting applications to backend REST or GraphQL APIsAnalyze and fine-tune application performance to maximize load speed, strengthen Core Web Vitals metrics, and ensure smooth rendering even on less powerful mobile hardwareProduce clean, well-structured, testable JavaScript and TypeScript, lead detailed code reviews, and help grow the team's shared UI component libraryRequirementsAt least 5 years of hands-on experience in contemporary web development,



concentrated on delivering user-facing functionalityA minimum of one year spent leading and overseeing development teamsDeep expertise in JavaScript (ES6+), TypeScript, and React, applied to construct scalable, dependable front-end systemsReal-world experience with Next.js, covering either the App Router or Pages Router, plus working knowledge of Server ComponentsComfort working with modern CSS approaches such as Tailwind CSS, styled-components, or CSS Modules to establish and maintain cohesive UI stylingBackground optimizing web applications for mobile browser environments, Progressive Web Apps (PWAs), or embedding web views inside hybrid mobile wrappersProficiency with Git for source control, combined with practical experience operating within Agile or Scrum development cyclesConfident English communication skills at a B2 level or higherWe offerInternational projects with top brandsWork with general teams of highly skilled, diverse peersHealthcare benefitsEmployee financial programsPaid time off and sick leaveUpskilling, reskilling and certification coursesUnlimited access to the LinkedIn Learning library and 22,000+ coursesGlobal career opportunitiesVolunteer and community involvement opportunitiesEPAM Employee GroupsAward-winning culture recognized by Glassdoor, Newsweek and LinkedInEPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.
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📌 Lead JavaScript Engineer (Xico)
🏢 Epam Systems
📍 Xico