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.