We are seeking a Chief Full-Stack Software Engineer to craft intuitive, high-speed web interfaces and integration libraries for GenAI and smart automation. You will develop reusable UI foundations and link streaming AI experiences to APIs and microservices across business teams.
Responsibilities
- Architect and deliver end-to-end GenAI applications, prioritizing intuitive web UIs and fast client-side API integrations
- Design responsive and accessible frontend experiences crafted 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 leveraging LangChain or LlamaIndex with OpenAI, Claude, or Gemini
- Partner with designers and product managers to iterate quickly on AI UX patterns such as chat assistants, prompt builders, and feedback loops
- Guarantee security, accessibility, observability, and comprehensive testing across client-side and full-stack work
- Craft responsive, accessible,



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

Requirements
- Background in delivering production enterprise apps with React, TypeScript, or Vue for 7+ years
- Expertise in full-stack development spanning frontend UIs, REST APIs, and microservices across 7+ years
- Proficiency in embedding GenAI features, LLM APIs, and prompt UI patterns in web applications for 3+ years
- Skills in Python backend development, plus 3+ years building and consuming cloud microservices on AWS, Docker, and REST APIs
- Showcase of building, documenting, and maintaining reusable component libraries, design systems, and custom hooks
- Proficiency in English at a B2+ level or high

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