Lead JavaScript Software Engineer

We are seeking a Lead JavaScript Software Engineer with a passion for building rich, responsive web and hybrid-mobile applications. In this role, you will leverage your expertise in JavaScript/TypeScript, React and Next.js to deliver fast, SEO-friendly and mobile-first user interfaces, working closely with backend engineers, UX designers and product owners to translate interactive designs into clean, modular and reusable front-end code.

Responsibilities

• Design and build high-performance, responsive web applications using React and Next.js (utilizing features like SSR, SSG and API routes)
• Implement pixel-perfect, mobile-first designs that adapt seamlessly across devices, with a specific focus on optimizing layouts, animations and touch interactions for mobile viewports (including iOS/Android browsers)
• Manage complex client-side state (e.g. Redux, Zustand, Context API) and integrate applications with backend RESTful or GraphQL APIs
• Profile and optimize applications for maximum loading speed, Core Web Vitals and smooth rendering on lower-powered mobile devices
• Craft exceptional web experiences that look and feel like native mobile apps
• Optimize performance for both desktop and mobile web view browsers (including iOS Safari)
• Write clean, maintainable and testable JavaScript/TypeScript
• Conduct thorough code reviews and contribute to the shared UI component library

Requirements

• 5+ years of experience in software development
• Proven experience in modern web development with a strong focus on building user-facing features
• Advanced knowledge of JavaScript (ES6+), TypeScript and React
• Practical experience with the Next.js framework (App Router or Pages Router, Server Components)
• Familiarity with modern CSS frameworks or methodologies (e.g. Tailwind CSS, styled-components, CSS Modules)
• Experience in optimizing web apps for mobile browsers, PWAs (Progressive Web Apps), or integrating web views within hybrid mobile containers
• Experience with Git and working in an Agile/Scrum development cycle
• English proficiency at B2 level or higher

Benefits

• International projects with top brands
• Work with global teams of highly skilled, diverse peers
• Healthcare benefits
• Employee financial programs
• Paid time off and sick leave
• Upskilling, reskilling and certification courses
• Unlimited access to the LinkedIn Learning library and 22,000+ courses
• Global career opportunities
• Volunteer and community involvement opportunities
• EPAM Employee Groups
• Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn