GenAI Frontend & Full-Stack Lead Engineer

EPAM Systems, Inc.; United States; Remote; USD 140,000 - 190,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off

Upskilling & certifications

LinkedIn Learning access

Global career opportunities

Job summary

EPAM Systems, Inc. is seeking a Lead Full-Stack Software Engineer to build high-performing, user-friendly interfaces and frontend integration libraries for GenAI and intelligent automation across departments.

You will architect end-to-end GenAI-powered apps, emphasizing responsive web UIs and low-latency client-side integrations. You will collaborate with product teams to iterate on AI UX patterns, including chat assistants, prompt builders, and feedback loops, while ensuring security,

Qualifications

• 5+ years in building production React/TypeScript or Vue-based enterprise applications.
• 5–8 years of full-stack experience across frontend UIs, REST APIs, and microservices.
• 2+ years integrating GenAI features and prompt UI patterns into web apps.

Responsibilities

• Design and develop GenAI-powered applications with intuitive UIs.
• Build and maintain reusable frontend components and design systems.
• Implement LLM-based experiences using LangChain or LlamaIndex with OpenAI, Claude, or Gemini.
• Ensure security, accessibility, observability, and test coverage for client-side and full-stack builds.

Skills

React

TypeScript

Vue

REST APIs

Tools

AWS

Docker

LangChain

LlamaIndex

Job description

EPAM Systems, Inc. is seeking a Lead Full-Stack Software Engineer to build high-performing, user-friendly interfaces and frontend integration libraries for GenAI and intelligent automation across departments.

You will architect end-to-end GenAI-powered apps, emphasizing responsive web UIs and low-latency client-side integrations. You will collaborate with product teams to iterate on AI UX patterns, including chat assistants, prompt builders, and feedback loops, while ensuring security,