We are in search of a highly skilled Lead JavaScript Developer who is enthusiastic about creating rich, responsive web and hybrid-mobile this position, you will apply your deep knowledge of JavaScript/TypeScript, React, and Next.js to deliver fast-loading, SEO-optimized, and mobile-first user interfaces. Your focus will be on building outstanding web experiences that feel like native mobile apps, fine-tuning performance across both desktop and mobile web browsers, including iOS Safari. Collaborating closely with backend engineers, UX designers, and product owners, you will turn interactive designs into clean, modular, and reusable front-end code.ResponsibilitiesArchitect and develop high-performing, responsive web applications using React and Next.js, taking advantage of capabilities such as SSR, SSG, and API routesBring pixel-perfect, mobile-first designs to life that adjust smoothly across various devices, with special emphasis on refining layouts, animations, and touch interactions for mobile viewports, including iOS/Android browsersHandle sophisticated client-side state management using tools like Redux, Zustand, or Context APIConnect applications to backend RESTful or GraphQL APIsAnalyze and enhance application performance to achieve fast load times, strong Core Web Vitals results, and smooth rendering on less powerful mobile devicesProduce clean, maintainable, and well-tested JavaScript/TypeScript codePerform detailed code reviews and help build out the shared UI component libraryRequirementsAt least 5 years of relevant experience in modern web development, with a strong emphasis on building user-facing featuresA minimum of one year of experience leading and overseeing development teamsAdvanced proficiency in JavaScript (ES6+), TypeScript, and ReactHands-on experience with the Next.js framework, including App Router or Pages Router and Server ComponentsFamiliarity with modern CSS frameworks or approaches such as Tailwind CSS, styled-components, or CSS ModulesExperience optimizing web applications for mobile browsers, Progressive Web Apps (PWAs), or embedding web views within hybrid mobile containersWorking knowledge of Git for version control, along with experience operating within an Agile/Scrum workflowEnglish proficiency at a B2 level or higher, with strong written and verbal communication abilitiesNice to haveBackground with automated testing frameworks for JavaScript/TypeScript applications to strengthen code reliabilityExposure to hybrid mobile app frameworks such as React Native, Capacitor, or CordovaUnderstanding of accessibility (a11y) best practices to support inclusive web designFamiliarity with CI/CD pipelines for streamlining build, test, and deployment workflowsExperience using performance monitoring and analytics tools to evaluate real-world application behavior and performanceWe offerInternational projects with top brandsWork with global 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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