Chief Full-Stack Software Engineer

EPAM Systems; Colombia; On-site; COP 260,000,000 - 420,000,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off

Upskilling and certifications

LinkedIn Learning access

Global career opportunities

EPAM Employee Groups

Job summary

EPAM Systems seeks a Chief Full-Stack Software Engineer to craft fast, intuitive GenAI web interfaces and integration libraries. Lead reusable UI foundations and connect streaming AI experiences to APIs and microservices across business units.

You will architect end-to-end GenAI apps, implement LLM-driven journeys, and partner with designers to iterate AI UX patterns while upholding security, accessibility, and high-performance standards.

Qualifications

• Production enterprise apps using React, TypeScript or Vue (7+ years).
• Full-stack development across UIs, REST APIs and microservices (7+ years).
• Experience embedding GenAI features and prompt UI patterns (3+ years).
• Python backend development with cloud microservices (AWS, Docker, REST).
• Experience building reusable component libraries and design systems.
• English at B2+ level or higher.

Responsibilities

• Architect and deliver GenAI applications with fast, intuitive web UIs.
• Design responsive frontend experiences for streaming outputs and low latency.
• Build and maintain reusable UI components, hooks, and design systems.
• Implement LLM-driven user journeys using LangChain/LlamaIndex with OpenAI/Claude/Gemini.
• Collaborate with designers and product managers to iterate AI UX patterns.
• Ensure security, accessibility, observability, and thorough testing.
• Develop UI components that boost transparency and trust in AI outputs.
• Sustain a shared frontend component library across teams.

Skills

React/TypeScript

Vue.js

Full-stack development

Python backend

LLM APIs

English Proficiency

AWS/Docker/REST

Tools

LangChain

LlamaIndex

OpenAI API

Docker

AWS

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 Full-Stack Software Engineer to craft intuitive, high-speed web interfaces and integration libraries for GenAI and smart automation. You will develop reusable UI foundations and link streaming AI experiences to APIs and microservices across business teams.

Responsibilities

• Architect and deliver end-to-end GenAI applications, prioritizing intuitive web UIs and fast client-side API integrations
• Design responsive and accessible frontend experiences crafted for streaming outputs and low-latency interactions
• Build and maintain reusable component libraries, hooks, and design systems for enterprise GenAI applications
• Implement LLM-driven user journeys leveraging LangChain or LlamaIndex with OpenAI, Claude, or Gemini
• Partner with designers and product managers to iterate quickly on AI UX patterns such as chat assistants, prompt builders, and feedback loops
• Guarantee security, accessibility, observability, and comprehensive testing across client-side and full-stack work
• Craft responsive, accessible, high-performance web UIs for AI interactions including streaming text, prompt inputs, citations, and summaries
• Sustain a shared library of reusable frontend components and hooks so teams can embed GenAI capabilities into their applications
• Develop UI components that boost transparency, observability, and trust in AI-generated outputs

Requirements

• Background in delivering production enterprise apps with React, TypeScript, or Vue for 7+ years
• Expertise in full-stack development spanning frontend UIs, REST APIs, and microservices across 7+ years
• Proficiency in embedding GenAI features, LLM APIs, and prompt UI patterns in web applications for 3+ years
• Skills in Python backend development, plus 3+ years building and consuming cloud microservices on AWS, Docker, and REST APIs
• Showcase of building, documenting, and maintaining reusable component libraries, design systems, and custom hooks
• Proficiency in English at a B2+ level or higher

Nice to have

• Familiarity with real-time streaming UX patterns, covering SSE/WebSockets, prompt builders, citations, and summary UI components
• Understanding of WCAG 2.1 AA compliance and approaches to designing accessible UI components
• Competency in client-side or Node.js LangChain, LangGraph, or LlamaIndex orchestration
• Knowledge of RAG pipelines, vector search platforms such as Pinecone or OpenSearch, and embedding fundamentals
• Qualifications in AI evaluation tools, feedback loop design, and interface-level guardrails

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.