We are hiring a Chief Full Stack Software Engineer to deliver intuitive, high-speed web interfaces and integration libraries for GenAI and smart automation. You will build reusable UI foundations and connect streaming AI experiences to APIs and microservices across business teams. Apply today.

Responsibilities

Architect and deliver end-to-end GenAI applications, emphasizing intuitive web UIs and fast client-side API integrations
Design responsive and accessible frontend experiences built 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 using LangChain or LlamaIndex with OpenAI, Claude, or Gemini
Collaborate with designers and product managers to iterate quickly on AI UX patterns such as chat assistants, prompt builders, and feedback loops
Ensure security, accessibility, observability, and comprehensive testing across client-side and full-stack work
Create responsive, accessible,



high-performance web UIs for AI interactions including streaming text, prompt inputs, citations, and summaries
Maintain a shared library of reusable frontend components and hooks so teams can embed GenAI capabilities into their applications
Develop UI components that improve transparency, observability, and trust in AI-generated outputs

Requirements

Extensive experience of 7+ years delivering production enterprise apps with React, TypeScript, or Vue
Proven full-stack background of 7+ years across frontend UIs, REST APIs, and microservices
Hands-on experience of 3+ years embedding GenAI features, LLM APIs, and prompt UI patterns in web applications
Solid Python backend skills, plus 3+ years building and consuming cloud microservices on AWS, Docker, and REST APIs
Demonstrated ability to build, document, and maintain reusable component libraries, design systems, and custom hooks
English proficiency at a B2+ level or higher

Nice to have

Experienc

📌 Chief Full Stack Software Engineer (Argentina)
🏢 EPAM Systems
📍 Argentina