AI Frontend Developer

• Build and evolve user-facing AI products, including copilot and agent-style interfaces, conversational flows, streaming responses, and human-in-the-loop review screens.
• Design and maintain the 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 such as OpenAI, Anthropic, Gemini, or similar, and backend services into the frontend, handling streaming, latency, and error states.
• Write reusable, testable, and efficient code with unit tests, end-to-end tests, and CI/CD.
• 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.
• Ensure performance, accessibility, and security in shipped products.

• 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, and an 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.
• Experience building interfaces for AI agents or copilot style features in production.
• Experience with Nest.js, Emotion, AWS services (S3, Amplify) and Docker.
• Experience in the payments industry or integrating Payment Service Providers.
• Knowledge of backend languages and willingness to work across the stack when needed.

• Remote Work – You can work from everywhere!
• Home Office Bonus – A one-time allowance to help you create your ideal home office.
• Work Equipment
• Stock Options
• Health Plan wherever you are.
• Flexible Days Off