Senior Web Developer

New
Y
YunoFinancial Infrastructure
Source API remote eligibility restrictions: Netherlands. Remote · Europe / LatamFull-TimeSenior
Salary not disclosed
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Job Details

Languages
English (advanced proficiency)
Experience
+5 Years of Experience
Required Skills
AWSDockerNode.jsJavascriptTypeScriptNext.jsReactCI/CD

Requirements

  • 5+ years of experience building production applications with React.
  • Strong proficiency in JavaScript and TypeScript.
  • Solid command of the modern web stack: Node, CSS, Next.js, Storybook, and Emotion.
  • Strong grasp of engineering fundamentals including OOP, Git, unit/E2E testing, and CI/CD.
  • Experience with build and packaging tools (NPM/yarn) with a focus on bundle size and performance.
  • Experience with AWS (S3, Amplify) and Docker.
  • Fluent use of AI-assisted development tools (e.g., Claude Code, Cursor, GitHub Copilot).
  • Ability to work autonomously in an agile/SCRUM environment.
  • Advanced proficiency in written and spoken English.

Responsibilities

  • Create and maintain the design system and web components for third-party applications.
  • Ensure SDK compatibility and consistent behavior across browsers, frameworks, and environments.
  • Design low-latency, high-availability applications with optimized bundle performance.
  • Integrate user-facing elements with server-side logic.
  • Write reusable, testable, and secure code.
  • Maintain high-quality developer documentation and automated release pipelines.
  • Define AI-driven development practices and workflows for the engineering team.
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