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Yuno
Yuno
11 – 50 Employees
EnterpriseFintechSaaS
Yuno is a fintech company providing global payment orchestration and infrastructure for businesses operating across markets. Its platform connects companies with more than 300 payment methods and supports payment optimization through smart routing, unified payment reporting, automated reconciliation, and customizable checkout experiences. Yuno also offers tools for fraud management, secure transaction processing, global payouts, and subscription payments, helping teams manage complex payment operations as they expand internationally.
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AI Frontend Developer at Yuno (Remote)

Build React and TypeScript interfaces for Yuno’s payment infrastructure, including AI copilots, agent experiences, and internal tools. Integrate LLMs, streaming APIs, and AI workflows into reliable, polished user experiences.

ARArgentinaBRBrazilCLChileCOColombiaMXMexicoPEPeruPYParaguayRemoteFull-timeJuniorMiddleNo degree requiredEnglish RequiredFrontend EngineerSoftware Engineer
AWSDockerJavaScriptNext.jsNode.jsReactTypeScriptYarn

Description

  • Create and improve customer-facing AI products, including copilot and agent interfaces, conversational journeys, streaming responses, and human-review screens.
  • Own the design system and web components used across Yuno products and by external teams.
  • Develop and enhance internal back-office applications that improve operational efficiency across the company.
  • Connect frontend applications to LLM providers such as OpenAI, Anthropic, and Gemini, along with backend services, while managing streaming, latency, and failure states.
  • Produce reusable, efficient, and testable code supported by unit tests, end-to-end tests, and CI/CD workflows.
  • Partner with AI, data, backend, and product teams to turn complex AI capabilities into clear, actionable interface components.
  • Promote AI-first engineering practices through AI-assisted development, code generation, and automated testing.
  • Protect the performance, accessibility, and security of released products.

Requirements

  • At least two years of professional experience developing production web applications with React and TypeScript.
  • Strong command of JavaScript, HTML, CSS, Node.js, and modern tools such as Git, NPM or Yarn, Next.js, and Storybook or comparable frameworks.
  • Practical experience connecting frontend applications to REST, streaming, and LLM APIs.
  • Proven ability to deliver unit tests, end-to-end tests, and CI/CD pipelines.
  • Experience using AI-assisted development tools such as Claude Code, Cursor, or GitHub Copilot, plus knowledge of prompt engineering and evaluating model output in interfaces.
  • Able to work independently and manage tasks effectively in a fast-moving agile environment.
  • Professional working proficiency in English.
  • Production experience creating interfaces for AI agents or copilot-style functionality.
  • Experience with Nest.js, Emotion, AWS services including S3 and Amplify, and Docker.
  • Background in payments or experience integrating Payment Service Providers.
  • Knowledge of backend languages and willingness to contribute across the stack when needed.

Benefits

  • Remote work with the ability to work from anywhere.
  • One-time home-office allowance to help set up a suitable workspace.
  • Work equipment provided.
  • Stock options.
  • Health plan available wherever you are.
  • Flexible days off.

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