Lead AI Frontend Engineer - GenAI UX Mastery

EPAM Systems; New York (NY); On-site; USD 150,000 - 210,000; Full time

Job summary

EPAM Systems in New York seeks a Lead Software Engineer, Applied AI (Frontend Leading) to design and deliver GenAI-powered web UIs and frontend libraries for enterprise use across IT, HR, Finance, and Customer Support. You will bridge GenAI orchestration with smooth UX using React/TypeScript or Vue, building scalable components and reusable libraries for enterprise GenAI apps.

You will advance LLM-based experiences with LangChain or LlamaIndex, ensure performance, accessibility, and security,

Qualifications

• 5+ years of frontend experience in enterprise web apps.
• Experience delivering GenAI-powered UIs and experiences.
• Strong knowledge of React, TypeScript, or Vue.
• Experience with streaming UX and real-time data in web apps.

Responsibilities

• Design and build GenAI-powered frontend interfaces and UI components.
• Develop responsive, accessible frontends with low latency and streaming support.
• Create and maintain a library of reusable components, hooks, and design systems.
• Implement LLM-based experiences using LangChain or similar tools.
• Collaborate with designers and product managers to iterate AI UX patterns.
• Ensure security, accessibility, observability, and test coverage across frontend and full-stack.

Skills

Frontend development

React

TypeScript

Vue

LLM integration

Streaming UI

Web accessibility (a11y)

LangChain / LlamaIndex

REST APIs

AWS / Cloud

Tools

LangChain JavaScript tools

Job description

EPAM Systems in New York seeks a Lead Software Engineer, Applied AI (Frontend Leading) to design and deliver GenAI-powered web UIs and frontend libraries for enterprise use across IT, HR, Finance, and Customer Support. You will bridge GenAI orchestration with smooth UX using React/TypeScript or Vue, building scalable components and reusable libraries for enterprise GenAI apps.

You will advance LLM-based experiences with LangChain or LlamaIndex, ensure performance, accessibility, and security,