[Remote] Chief Full Stack Software Engineer

Note: The job is a remote job and is open to candidates in USA. EPAM Systems is building GenAI-powered web experiences with intuitive user interfaces and low-latency integrations for enterprise workflows. The Chief Full Stack Software Engineer will lead frontend UX patterns, reusable component libraries, and full-stack delivery across React, TypeScript, Vue, Python, and AWS while developing trusted AI experiences.

Responsibilities

• Architect and deliver end-to-end GenAI-powered applications with intuitive web UIs and fast client-side API integrations
• Engineer responsive, accessible frontend experiences optimized for streaming responses and low latency
• Develop and evolve reusable frontend components, custom hooks, and design systems for enterprise GenAI applications
• Implement LLM-driven features using frameworks like LangChain or LlamaIndex with OpenAI, Claude, or Gemini
• Partner with designers and product managers to iterate quickly on AI UX patterns including chat assistants, prompt builders, and feedback loops
• Enforce security, accessibility, observability, and test coverage across client-side and full-stack work
• Create high-performance, accessible web UIs for AI interaction patterns such as streaming text, prompt inputs, citations, and summaries
• Maintain shared component and hook libraries so internal teams can embed GenAI capabilities into their applications
• Deliver UI components that increase transparency, observability, and user confidence in AI-generated outputs

Skills

• Proven track record with React, TypeScript, or Vue in production for enterprise web applications (7+ years)
• Extensive full-stack engineering experience delivering frontend UIs, REST APIs, and microservices (7+ years)
• Hands-on background integrating GenAI features, LLM APIs, and prompt UI patterns into web applications (3+ years)
• Advanced Python backend development skills, including building and consuming cloud microservices on AWS with Docker and REST APIs (3+ years)
• Demonstrated ability to build, document, and maintain reusable component libraries, design systems, and custom hooks
• English proficiency at B2+ (Upper-Intermediate) level
• Working knowledge of GraphQL for client-server data interactions
• Practical experience with LangChain or LlamaIndex in JavaScript/Node.js contexts
• Familiarity with Model Context Protocol concepts and integration considerations
• Exposure to React Native for shared UI patterns across web and mobile surfaces
• Understanding of vector databases and embedding concepts used in RAG-style applications
• Familiarity with real-time streaming UX patterns such as SSE/WebSockets, prompt builders, citations, and summary UI components
• Knowledge of WCAG 2.1 AA compliance and accessible UI component architecture
• Skills in client-side or Node.js LangChain, LangGraph, or LlamaIndex orchestration
• Familiarity with RAG pipelines, vector search tools like Pinecone or OpenSearch, and embedding concepts
• Background in AI evaluation tooling, feedback loops, and guardrails in user interfaces

Benefits

• 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

Company Overview

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