Lead GenAI Frontend-Backend Engineer (JS/TS)

EPAM Systems; Colombia; On-site; COP 120,000,000 - 180,000,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off

Sick leave

Upskilling & certification courses

LinkedIn Learning access

Global career opportunities

Volunteer opportunities

Award-winning culture

Job summary

EPAM Systems in Colombia is seeking a Lead JavaScript Full-Stack Engineer to join our global AI Engineering team and shape the architecture of enterprise-grade AI agent interfaces.

You will mentor engineers, define frontend and backend patterns, and collaborate with multi-national teams to deliver real-time streaming experiences and reusable SDKs.

This role offers international projects, generous benefits, and opportunities to grow within a diverse, inclusive culture.

Qualifications

• 5+ years of engineering expertise in JavaScript, React, TypeScript, and modern frontend state management libraries.
• At least 1 year of relevant leadership experience.
• Strong software development experience across web applications, client-side SDKs, APIs, and microservices.
• Background in building GenAI user experiences, conversational UX, and real-time response streaming interfaces (SSE/WebSockets).
• Proficiency in Python backend development and integrating cloud-native REST APIs on AWS/Docker.

Responsibilities

• Set technical direction for frontend architectures, component systems, and real-time streaming interfaces powering AI agents across web and mobile.
• Build high-performance frontend interfaces engineered for low latency, SSE/WebSocket streaming, and complex AI interaction patterns.
• Mentor senior full-stack engineers and partner with global cross-geo teams to ensure shared component libraries and cohesive AI design standards.
• Design, build, and refine frontend interfaces and SDKs that bring AI agent capabilities to life for employees and customers.
• Architect high-performance Agentic Experiences (AX) for web and mobile, engineered for real-time response streaming and low latency.
• Champion frontend observability, accessibility (WCAG/a11y), and operational excellence across user-facing AI services.
• Develop reusable full-stack integration frameworks and component hooks that enable enterprise teams to easily embed GenAI tools.
• Partner with product managers, UX designers, and backend engineers to define novel interaction patterns for AI copilots and virtual agents.
• Provide technical leadership and hands-on guidance to global delivery teams across multiple regions.

Skills

JavaScript

React

TypeScript

Frontend state management

Leadership

Tools

Python

AWS

Docker

REST APIs

Job description

EPAM Systems in Colombia is seeking a Lead JavaScript Full-Stack Engineer to join our global AI Engineering team and shape the architecture of enterprise-grade AI agent interfaces.

You will mentor engineers, define frontend and backend patterns, and collaborate with multi-national teams to deliver real-time streaming experiences and reusable SDKs.

This role offers international projects, generous benefits, and opportunities to grow within a diverse, inclusive culture.