Frontend Developer FinTech

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.