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Infotree Global Solutions
Frontend Developer FinTechInfotree Global Solutions • Warsaw, Masovian Voivodeship, Poland
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Frontend Developer FinTech

Frontend Developer FinTech

Infotree Global Solutions • Warsaw, Masovian Voivodeship, Poland
Ponad 30 dni temu
Opis pracy

About the role:


We are looking for a Frontend Software Engineer to join a team responsible for building and maintaining a large-scale, React-based component library used as the shared design system and UI foundation across the firm.

You will work on production-grade UI components, developer tooling and accessibility, while helping introduce and scale AI-driven engineering workflows across the component library.

Key Responsibilities:

  • Design, build, and maintain reusable React UI components.

  • Develop and evolve a large-scale component library/design system.

  • Diagnose and resolve issues across components, theming/styling and build tooling.

  • Write and maintain comprehensive automated tests.

  • Ensure components meet accessibility standards, including WCAG.

  • Collaborate closely with Product Design, UX, and Platform Engineering teams.

  • Use AI coding agents such as Claude Code as part of the daily development workflow.

  • Design and ship UI-focused AI agent skills and workflows.

  • Evaluate and improve AI-agent prompts, skills, guardrails, and developer workflows.

  • Contribute to engineering standards, tooling, and architectural improvements.

Technology:

  • Languages: TypeScript, JavaScript

  • Frontend: React, Angular

  • Styling: CSS-in-JS, Sass

  • Build / Monorepo: Bazel

  • Testing: React Testing Library, Cypress

  • AI tooling: Claude Code and similar agentic coding tools

Must Have:

  • Strong commercial experience with React and TypeScript.

  • Experience building reusable UI components, component libraries or design systems.

  • Experience working in a large or complex frontend codebase.

  • Good understanding of modern CSS/styling architectures, ideally CSS-in-JS.

  • Practical knowledge of web accessibility / WCAG.

  • Experience with automated frontend testing, ideally React Testing Library and/or Cypress.

  • Comfortable working with developer tooling, build systems, or monorepos.

  • Experience using AI coding agents / agentic development tools, such as Claude Code, Cursor, GitHub Copilot, or similar.

  • Ability to work effectively in a highly collaborative engineering/design environment.

Nice to Have:

  • Experience with Bazel.

  • Angular experience, particularly maintaining legacy applications.

  • Experience contributing to an established enterprise design system.

  • Experience designing AI-agent skills, prompts, or guardrails.

  • Experience with monorepo architecture.

  • Strong understanding of frontend performance and browser fundamentals.

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Frontend Developer FinTech • Warsaw, Masovian Voivodeship, Poland