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Full-Stack Software Engineer

Build and evolve Cardless’s frontend platform, consumer cardholder experiences, and internal operations and risk tools. The role requires 5+ years of frontend engineering experience, including 3+ years with React, plus strong component architecture, accessibility, testing, and cross-functional delivery skills.

About the job

Responsibilities

  • Own and evolve the component library and design system with scalable, reusable components and consistent patterns.
  • Build and ship consumer app features, including cardholder onboarding, account management, and rewards.
  • Design and build internal tools for operations and risk teams.
  • Take projects from concept through requirements, implementation, testing, deployment, and maintenance.
  • Partner with product, design, backend engineering, partners, risk, and compliance teams.
  • Improve performance, accessibility, observability, and developer experience across the stack.
  • Contribute to frontend platform architecture decisions.
  • Provide technical guidance to engineering peers.

Requirements

  • 5+ years of frontend engineering experience building production systems at scale.
  • 3+ years of React experience across consumer products and data-heavy internal tools.
  • Strong fundamentals in state management, component architecture, accessibility, testing, and UI quality.
  • Experience building and maintaining component libraries or design systems across multiple products.
  • Ability to work across consumer, partner-facing, and internal applications while maintaining high-quality user experiences.
  • Track record of delivering complex projects end-to-end in cross-functional environments.
  • Clear communication, rapid learning, and willingness to teach others.
  • Comfort working in fast-moving, ambiguous environments with competing priorities and deadlines.

Nice-to-haves

  • Experience in fintech, payments, fraud, or financial services.
  • Familiarity with micro-frontend architectures or component library development.
  • Familiarity with Next.js, Tailwind CSS, React Native, and Yarn monorepos.
  • Working knowledge of API design and backend integration patterns, including REST and GraphQL.
  • Familiarity with experimentation and personalization systems.

Compensation and Benefits

  • Annual starting salary: $175,000–$275,000, plus equity and benefits.
  • Meaningful startup equity.
  • Health, vision, and dental coverage.
  • Catered lunches.
  • $250/month commuter benefit.
  • Parental leave.
  • Team-building events and happy hours.
  • Flexible PTO with a minimum of 15 days off per year.
  • Apple equipment.
  • 401(k) plan.

Skills

React, JavaScript, Component Architecture, Design Systems, State Management, Accessibility, Testing, Next.js, Tailwind, React Native, Yarn, Rest, GraphQL, Micro-Frontends, API Design

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