Lead Front-End Engineer (React) - GenAI UI Leader

EPAM Systems; Argentina; On-site; ARS 1,800,000 - 3,000,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off and sick leave

Upskilling and certification courses

LinkedIn Learning access

Job summary

EPAM Systems seeks a Lead Front-End Developer with deep React expertise to craft responsive, accessible web experiences and define engineering standards. You will guide teammates and embed GenAI into daily delivery to boost speed and quality.

You will collaborate with product, design, backend engineers, and QA to deliver cohesive interfaces, convert UI/UX wireframes into high-quality React code, and drive frontend architecture and testing practices across projects.

Qualifications

• 5+ years of front-end development with JavaScript and React.
• Proven leadership in mentoring developers and guiding teams (1+ years).
• Experience designing reusable UI architectures and scalable component libraries.
• Strong code-review skills with constructive feedback and quality standards.

Responsibilities

• Build responsive, accessible web apps with high standards.
• Create reusable frontend libraries to boost scalability and maintainability.
• Drive UI implementation decisions, performance, and long-term code health.
• Collaborate with product, design, backend, and QA for cohesive interfaces.
• Convert UI/UX designs into high-quality React and JavaScript code.
• Guide junior developers on best practices and coding standards.
• Lead code reviews to raise quality, consistency, and team learning.
• Tune app performance for fast loads and smooth interactions.
• Troubleshoot complex issues across browsers and devices.
• Apply unit and end-to-end testing to reduce regressions and increase reliability.
• Work with QA to identify, prioritize, and resolve defects before releases.
• Embed GenAI tools in daily workflows and validate outputs.
• Advance frontend practices and GenAI-enabled delivery methods.

Skills

React

JavaScript

Mentoring

UI architecture

Code reviews

Performance optimization

Testing (unit & E2E)

GenAI integration

Prompt engineering

English (B2+)

Job description

EPAM Systems seeks a Lead Front-End Developer with deep React expertise to craft responsive, accessible web experiences and define engineering standards. You will guide teammates and embed GenAI into daily delivery to boost speed and quality.

You will collaborate with product, design, backend engineers, and QA to deliver cohesive interfaces, convert UI/UX wireframes into high-quality React code, and drive frontend architecture and testing practices across projects.