Sr Full Stack Engineer (Frontend)

Location:

Argentina | Remote

Colombia | Remote

Chile | Remote

English B2+

Ownership & Leadership

• Frontend Craftsmanship: Build responsive, accessible, and high-performance web UIs using React or Vue, tailored for AI-driven interaction patterns (streaming text, prompt inputs, citations, and summaries).
• Reusable Component Architecture: Build and maintain a shared library of reusable frontend components and hooks that enable internal teams to drop GenAI capabilities into their applications.
• User Empathy & Trust: Design UI components that provide transparency, observability, and confidence in AI-generated outputs.

Technical Qualifications

• Frontend Mastery: 5+ years of production experience with React, TypeScript, or Vue for enterprise web applications.
• Engineering Seniority: 5–8 years of software engineering experience across the full web stack (frontend UIs, REST APIs, microservices).
• AI Application Integration: 2+ years of experience integrating GenAI features, LLM APIs, and prompt UI patterns into web applications.
• Python & Cloud Services: Strong Python backend development skills and 2+ years of experience consuming/building cloud microservices on AWS, Docker, and REST APIs.
• Component Libraries: Proven experience building, documenting, and maintaining reusable component libraries, design systems, and custom hooks.

Highly Desired

• Conversational UX & Streaming: Real-time streaming UX patterns (SSE/WebSockets), prompt builders, citations, and summary UI components.
• Web Accessibility (a11y): Deep knowledge of WCAG 2.1 AA compliance and accessible UI component architecture.
• LangChain for JavaScript: Client-side or Node.js LangChain, LangGraph, or LlamaIndex orchestration.
• RAG & Vector Search: Familiarity with RAG pipelines, vector search (Pinecone, OpenSearch), and embedding concepts.
• AI Evaluation & UX: Experience with AI evaluation tooling, feedback loops, and guardrails in user interfaces.