JavaScript Developer

EPAM Systems; Mexico; On-site; PHP 3,710,575 - 5,565,862; Full time

Job summary

EPAM Systems is seeking a talented JavaScript Developer to build interactive web and hybrid-mobile apps using JavaScript/TypeScript, React, and Next.js. You will craft fast, SEO-friendly, mobile-first interfaces and collaborate with backend engineers, UX designers, and product owners to translate designs into modular front-end code.

You will design and deliver responsive features with SSR/SSG, manage client-side state with Redux, Zustand or Context API, and focus on performance to ensure top

Qualifications

• 2+ years of professional software engineering experience.
• Strong experience releasing end-user features in web apps.
• Proficient in ES6+ JavaScript, TypeScript, and React.

Responsibilities

• Design and build web apps with React and Next.js, using SSR/SSG and API routes.
• Create mobile-first interfaces across devices with polished layouts and animations.
• Manage client-side state with Redux, Zustand, or Context API and connect to APIs.
• Improve performance for fast load times and good Core Web Vitals.
• Write clean, testable TS/JS code and contribute to UI component library.

Skills

JavaScript

TypeScript

React

Agile/Scrum

Tools

Next.js

Redux

Zustand

Context API

Tailwind CSS

styled-components

CSS Modules

Git

RESTful APIs

GraphQL

Job description

We are searching for a talented JavaScript Developer who is driven to build interactive, adaptive web and hybrid-mobile applications. In this role, you will leverage your broad experience in JavaScript/TypeScript, React, and Next.js to construct high-speed, SEO-friendly, and mobile-first user interfaces. Your attention will be directed toward crafting outstanding web experiences that feel very close to native mobile apps, while enhancing performance across desktop and mobile web view browsers, such as iOS Safari. Partnering closely with backend engineers, UX designers, and product owners, you will convert interactive designs into cleanly structured, modular, and reusable front-end code.

Responsibilities

• Design and construct swift, versatile web applications using React and Next.js, leveraging capabilities including SSR, SSG, and API routes
• Deliver meticulously designed, mobile-first interfaces that transition seamlessly across various devices, with dedicated attention to polishing layouts, animations, and touch behaviors for mobile viewports on iOS and Android browsers
• Coordinate complex client-side state using solutions like Redux, Zustand, or Context API, and hook applications into backend RESTful or GraphQL APIs
• Diagnose and elevate application performance to secure top-tier load times, excellent Core Web Vitals results, and smooth rendering on less powerful mobile devices
• Author neat, sturdy, and testable JavaScript/TypeScript code, drive comprehensive code reviews, and enrich the shared UI component library

Requirements

• At least 2 years of significant professional background in software engineering
• Documented achievements in modern web development with a strong emphasis on releasing features aimed at end users
• Advanced fluency in JavaScript (ES6+), TypeScript, and React for delivering scalable and dynamic front-end applications
• Hands-on grasp of the Next.js framework, encompassing App Router or Pages Router together with Server Components
• Practical familiarity with modern CSS frameworks and techniques such as Tailwind CSS, styled-components, or CSS Modules for clean and maintainable styling
• Applied experience enhancing web applications for mobile browsers, engineering Progressive Web Apps (PWAs), or integrating web views into hybrid mobile shells
• Assured proficiency with Git and comfort operating within Agile/Scrum delivery cycles