Chief JavaScript Full-Stack Engineer

EPAM Systems; Colombia; On-site; COP 180,000,000 - 300,000,000; Full time

Benefits offered by this job

Healthcare benefits

Employee financial programs

Paid time off and sick leave

Upskilling, reskilling and certfic.

Unlimited LinkedIn Learning access

Global career opportunities

Volunteer and community involvement

Job summary

EPAM Systems is seeking a Chief JavaScript Full-Stack Engineer to lead our global AI Engineering team. You will set the technical vision for intelligent, user-facing interfaces and streaming UX across web and mobile, guiding cross-geo teams and defining standards for AI copilots and agents.

You will mentor engineers, shape enterprise UI libraries, and collaborate with executives to drive scalable, secure, enterprise-grade AI solutions.

Qualifications

• 7+ years of experience in JavaScript, React, and TypeScript.
• 2+ years of leadership experience, guiding senior/lead engineers.

Responsibilities

• Establish long-term technical vision and roadmap for frontend architectures and real-time streaming.
• Drive design of high-performance frontend platforms for ultra-low latency and AI interactions.
• Mentor lead engineers and align cross-geo teams on component libraries and design standards.
• Oversee frontend interfaces and SDKs for AI agent capabilities for employees and customers.
• Define AX reference architecture for web and mobile with real-time streaming.
• Institutionalize frontend observability, accessibility, and operational excellence.

Skills

JavaScript

React

TypeScript

Leadership

Frontend architecture

WebSocket streaming

Python backend

AWS

Tools

AWS

Docker

LangChain

Job description

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

We are seeking a Chief JavaScript Full-Stack Engineer to join our global AI Engineering team and shape the future of secure, enterprise-grade AI Agents at scale.

In this role, you will define the overarching technical vision and strategy for intelligent, user-facing agentic interfaces, frontend platforms, and streaming UX ecosystems that deliver GenAI capabilities to employees and customers worldwide. You will operate as a key technical authority, influencing engineering culture, standards, and long-term direction across multiple geographies.

Responsibilities

• Establish the long-term technical vision and strategic roadmap for frontend architectures, component ecosystems, and real-time streaming platforms powering AI agents across web and mobile
• Drive the design of high-performance, enterprise-scale frontend platforms engineered for ultra-low latency, SSE/WebSocket streaming, and sophisticated AI interaction paradigms
• Build and mentor a community of lead and principal engineers, fostering technical excellence across global cross-geo teams and ensuring alignment on shared component libraries and AI design standards
• Oversee the design, evolution, and governance of frontend interfaces and SDKs that bring AI agent capabilities to life for employees and customers
• Define the reference architecture for Agentic Experiences (AX) on web and mobile, setting the standard for real-time response streaming and low-latency interactions
• Institutionalize frontend observability, accessibility (WCAG/a11y), and operational excellence as organization-wide practices across all user-facing AI services
• Direct the creation of reusable full-stack integration frameworks, component hooks, and platform capabilities that empower enterprise teams to embed GenAI tools at scale
• Collaborate with executive stakeholders, product leadership, UX leadership, and backend architects to pioneer novel interaction patterns for AI copilots and virtual agents
• Provide executive-level technical leadership, governance, and strategic guidance to global delivery organizations across multiple regions

Requirements

• 7+ years of experience in JavaScript, React, TypeScript, and modern frontend state management libraries
• 2+ years of relevant leadership experience, including guiding senior/lead engineers and driving cross-organizational technical strategy
• Extensive software development background across web applications, client-side SDKs, APIs, and microservices at enterprise scale
• Proven track record of shaping GenAI user experiences, conversational UX, and real-time response streaming interfaces (SSE/WebSockets)
• Deep expertise in architecting chat assistants and prompt UI patterns
• Strong proficiency in Python backend development and integrating cloud-native REST APIs on AWS/Docker
• Demonstrated success in defining and evolving enterprise UI component libraries, design systems, and developer SDKs adopted across multiple business units
• Advanced English proficiency (C1) with exceptional written and verbal communication skills

Nice to have

• Familiarity with client-side or Node.js orchestration frameworks (LangChain for JavaScript, LlamaIndex, Model Context Protocol)
• Understanding of RAG retrieval, vector databases, and citation rendering
• Knowledge of React Native or web-to-mobile wrapper experience for AI workflows
• Expertise in WCAG 2.1 AA compliance, a11y standards, and accessible UI component architecture
• Competency in GraphQL and AI evaluation tooling (LangSmith, Langfuse, or user feedback loop UI components)

We offer

• 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

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.