AI Frontend Developer

About the role

We are building AI‑driven user interfaces for Yuno’s payment platform. As an AI Frontend Developer you will turn model outputs into fast, intuitive and reliable experiences for merchants and internal teams.

Key responsibilities

• Design and evolve user‑facing AI products such as copilot interfaces, conversational flows and human‑in‑the‑loop review screens.
• Maintain and extend our design system and reusable web components used across Yuno applications and third‑party integrations.
• Integrate LLM APIs (OpenAI, Anthropic, Gemini or similar) and backend services, handling streaming responses, latency and error states.
• Write reusable, testable code with unit and end‑to‑end tests, CI/CD pipelines and performance, accessibility and security best practices.
• Collaborate with AI, data, backend and product teams to translate complex AI capabilities into simple UI components.

Required profile

• 2+ years of professional experience building production web applications with React and TypeScript.
• Strong knowledge of JavaScript, HTML, CSS, Node.js and modern tooling (Git, NPM/Yarn, Next.js, Storybook).
• Experience integrating REST and streaming APIs, including LLM APIs, into frontend applications.
• Proven ability to write unit and end‑to‑end tests and work with CI/CD pipelines.
• Professional proficiency in English and autonomy in a fast‑paced agile environment.

Required skills

• React
• TypeScript
• JavaScript
• HTML & CSS
• Node.js
• Next.js
• Storybook
• Git
• NPM/Yarn
• REST and streaming API integration
• LLM API integration (OpenAI, Anthropic, Gemini)
• Unit testing & end‑to‑end testing
• CI/CD pipelines
• AI‑assisted development tools (Claude Code, Cursor, GitHub Copilot)
• Prompt engineering

What we offer

• Competitive compensation
• Fully remote work from anywhere in Latin America
• Home office allowance
• Work equipment and stock options
• Health plan and flexible days off