AI Frontend Developer
New
Y
YunoPayments Infrastructure
Bogota / Buenos Aires / Mexico / Chile / Lima / Colombia / Paraguay / BrazilFull-TimeMiddle
SalaryCompetitive Compensation
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Job Details
- Languages
- Professional proficiency in English.
- Experience
- 2+ years
- Required Skills
- Node.jsJavascriptTypeScriptNext.jsReactCI/CDRESTful APIsPrompt EngineeringUnit Testing
Requirements
- 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 or Yarn, Next.js, Storybook or similar).
- Experience integrating REST and streaming APIs, including LLM APIs, into frontend applications.
- Demonstrated experience with unit testing, end to end testing and CI/CD.
- Hands-on experience with AI-assisted development tools such as Claude Code, Cursor or GitHub Copilot.
- Understanding of prompt engineering and how to evaluate model outputs in the UI.
- Autonomy in task execution and comfort working in a fast-paced agile environment.
- Professional proficiency in English.
Responsibilities
- Build and evolve user-facing AI products: copilot and agent style interfaces, conversational flows, streaming responses and human in the loop review screens.
- Design and maintain our design system and web components, used across Yuno's applications and by third parties.
- Build and evolve internal back-office tools used across teams to drive operational efficiency.
- Integrate LLM APIs (OpenAI, Anthropic, Gemini or similar) and backend services into the frontend, handling streaming, latency and error states gracefully.
- Write reusable, testable and efficient code, with unit and end to end tests and CI/CD as part of the workflow.
- Collaborate with AI, data, backend and product teams to translate complex AI capabilities into simple and actionable UI components.
- Champion an AI-first engineering culture, using AI-assisted development, code generation and automated testing as a default in your daily work.
- Care for performance, accessibility and security in everything you ship.
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