We are seeking a Lead JavaScript Full-Stack Engineer to join our global AI Engineering team and build the future of secure, enterprise-grade AI Agents.
In this role, you will lead the architecture and design of intelligent, user-facing agentic interfaces, frontend libraries, and streaming UX platforms that bring GenAI capabilities to employees and customers worldwide.
Responsibilities
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Set technical direction for frontend architectures, component systems, and real-time streaming interfaces powering AI agents across web and mobile
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Build high-performance frontend interfaces engineered for low latency, SSE/WebSocket streaming, and complex AI interaction patterns
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Mentor senior full-stack engineers and partner with global cross-geo teams to ensure shared component libraries and cohesive AI design standards
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Design, build, and refine frontend interfaces and SDKs that bring AI agent capabilities to life for employees and customers
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Architect high-performance Agentic Experiences (AX) for web and mobile, engineered for real-time response streaming and low latency
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Champion frontend observability, accessibility (WCAG/a11y), and operational excellence across user-facing AI services
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Develop reusable full-stack integration frameworks and component hooks that enable enterprise teams to easily embed GenAI tools
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Partner with product managers, UX designers, and backend engineers to define novel interaction patterns for AI copilots and virtual agents
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Provide technical leadership and hands-on guidance to global delivery teams across multiple regions
Requirements
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5+ years of engineering expertise in JavaScript, React, TypeScript, and modern frontend state management libraries
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At least 1 year of relevant leadership experience
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Strong software development experience across web applications, client-side SDKs, APIs, and microservices
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Background in building GenAI user experiences, conversational UX, and real-time response streaming interfaces (SSE/WebSockets)
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Skills in developing chat assistants and prompt UI patterns
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Proficiency in Python backend development and integrating cloud-native REST APIs on AWS/Docker
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Showcase of architecting enterprise UI component libraries, design systems, and developer SDKs for multi-team consumption
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Excellent command of written and spoken English (B2+ level)
Nice to have
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Familiarity with client-side or Node.js orchestration frameworks (LangChain for JavaScript, LlamaIndex, Model Context Protocol)
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Understanding of RAG retrieval, vector databases, and citation rendering
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Knowledge of React Native or web-to-mobile wrapper experience for AI workflows
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Expertise in WCAG 2.1 AA compliance, a11y standards, and accessible UI component architecture
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Competency in GraphQL and AI evaluation tooling (LangSmith, Langfuse, or user feedback loop UI components)
We offer
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International projects with top brands
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Work with global teams of highly skilled, diverse peers
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Healthcare benefits
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Employee financial programs
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Paid time off and sick leave
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Upskilling, reskilling and certification courses
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Unlimited access to the LinkedIn Learning library and 22,000+ courses
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Global career opportunities
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Volunteer and community involvement opportunities
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EPAM Employee Groups
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Award-winning culture recognized by Glassdoor, Newsweek and LinkedIn
