We are seeking a highly capable Lead Java Script Software Engineer with a passion for building rich, responsive web and hybrid-mobile applications. In this role, you will leverage your expertise in Java Script/Type Script, React, and Next.js to deliver fast, SEO-friendly, and mobile-first user interfaces. You will focus on crafting exceptional web experiences that look and feel like native mobile apps, optimizing performance for both desktop and mobile web view browsers (including i OS Safari). Working closely with backend engineers, UX designers, and product owners, you will 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, taking advantage of features such as SSR, SSG, and API routes Implement pixel-perfect, mobile-first designs that adapt seamlessly across devices, with particular attention to optimizing layouts, animations, and touch interactions for mobile viewports, including i OS and Android browsers Manage complex client-side state using tools such as Redux, Zustand, or Context API, and integrate applications with backend RESTful or Graph QL APIs Profile and optimize applications to achieve maximum loading speed, strong Core Web Vitals scores, and smooth rendering performance on lower-powered mobile devices Write clean, maintainable, and testable Java Script and Type Script code, conduct thorough code reviews, and contribute to the team's shared UI component library Requirements A minimum of 5 years of experience in modern web development,



with a strong focus on building user-facing features At least one year of experience leading and managing development teams Advanced knowledge of Java Script (ES6+), Type Script, and React for building robust, scalable front-end applications Practical experience with the Next.js framework, including either the App Router or Pages Router, and familiarity with Server Components Familiarity with modern CSS frameworks or methodologies such as Tailwind CSS, styled-components, or CSS Modules for building and maintaining consistent UI styling Experience optimizing web applications for mobile browsers, Progressive Web Apps (PWAs), or integrating web views within hybrid mobile containers Experience using Git for version control, along with working within an Agile or Scrum development cycle Fluent English communication skills at a B2 level or higher We offer International projects with top brands Work with general 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 Linked In 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 Linked In EPAM 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 Software Engineer (Ciudad de México)
🏢 Epam Systems
📍 Ciudad de México