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Frontend Engineer, UI Platform

Join Stripe as a Frontend Engineer to build and evolve the design system and tools for high-quality user interfaces.

Location
Barcelona, Spain
Compensation
Not disclosed
Level
mid
Type
full time

Posted by employer 1 day ago

First seen on Joblaze 1 day ago

Last verified on the company career page 1 day ago

What you'll build

  • Take end-to-end ownership of software projects
  • Build and maintain accessible, performant components
  • Build tooling and documentation for engineers
  • Partner with product designers and engineers
  • Help evolve the visual language of Stripe’s Dashboard

Must have

  • 2+ years of professional frontend engineering experience
  • Strong knowledge of modern frontend technologies
  • Ability to independently scope and deliver projects
  • Strong problem-solving and debugging skills
  • Strong written and verbal communication skills

Nice to have

  • Experience working on a design system
  • Experience with developer tooling
  • Experience building tools for AI coding agents
  • Experience using documentation to improve products

AI in the day-to-day

Fluency in using AI-assisted and agentic development tools as part of day-to-day software engineering.

Requirements

Experience
2+ years

Not disclosed in this posting: compensation, work arrangement, visa sponsorship.

Joblaze summary

In the role of Frontend Engineer on Stripe's Sail UI team, the individual will focus on developing and enhancing the design system that underpins Stripe's user interfaces, including the Dashboard. Key skills include proficiency in modern frontend technologies and experience with AI-assisted development tools, as well as a strong foundation in accessibility and performance. This position is ideal for someone with at least two years of frontend engineering experience who can independently manage projects and collaborate effectively with cross-functional teams.

Joblaze insights

  • Listed yesterday — first seen on Joblaze October 27, 2026. Last confirmed on Stripe's careers page October 27, 2026.

Quick facts

How much experience is required?
At least 2 years of relevant experience for this Frontend Engineer, UI Platform role.
What's the tech stack?
Joblaze extracted these technologies from the posting: AI, Frontend, JavaScript, design system, developer tooling.
What seniority level is this role?
Stripe targets mid-level candidates for this position.
Is this full-time or contract?
Full-time for this Frontend Engineer, UI Platform role at Stripe.

From the original posting

Who we are

About Stripe

Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career.

About the team

The UI Platform team, known as Sail, builds the foundations that support Stripe’s Dashboard and many of Stripe’s other user interfaces. The Sail UI team owns Stripe’s design system, helping Stripe engineers create consistent, accessible, performant, and high-quality experiences at scale.

We build and maintain reusable components, design tokens, theming capabilities, documentation, and developer tooling used by engineers and designers across Stripe. We are currently focused on two major projects. First, we are building Sail for Agents: the generation infrastructure, documentation systems, agent integrations, and automated quality checks that help AI coding agents build high-quality Stripe interfaces safely and consistently at scale. Second, we are evolving the visual language of the Dashboard, one of Stripe’s largest UI surfaces, while modernizing its underlying codebase.

What you’ll do

As a Frontend Engineer on the Sail UI team, you’ll help build and evolve Stripe’s design system and the tools that enable engineers and AI coding agents to create high-quality user interfaces. You’ll independently drive frontend projects from problem definition through rollout, working closely with designers, product engineers, and other Sail engineers. Your work will range from reusable components, themes, and documentation to agentic tooling, automated quality checks, and modernizing the foundations of Stripe’s Dashboard.

Responsibilities

  • Take end-to-end ownership of software projects, independently scoping problems and carrying solutions through design, implementation, testing, and rollout
  • Build and maintain accessible, performant, and well-tested components, themes, and frontend APIs used across Stripe
  • Build tooling, documentation, and automated quality checks that help engineers and AI coding agents use Sail effectively and meet Stripe’s UI quality bar
  • Partner with product designers and engineers to understand their needs and turn recurring UI patterns into reusable design-system capabilities
  • Help evolve the visual language of Stripe’s Dashboard while modernizing its underlying codebase and migrating legacy UI patterns
  • Improve the accessibility, internationalization, observability, performance, reliability, and developer experience of the design system
  • Contribute thoughtful code reviews, technical discussions, and documentation that improve the quality of the team’s work

Who you are

We’re looking for someone who meets the minimum requirements to be considered for the role. If you meet these requirements, you are encouraged to apply. The preferred qualifications are a bonus, not a requirement.

Minimum requirements

  • Fluency in using AI-assisted and agentic development tools as part of day-to-day software engineering, including critically reviewing, validating, and improving generated code
  • 2+ years of professional frontend engineering experience, or equivalent practical experience, building, shipping, and debugging web applications
  • Strong knowledge of modern frontend technologies and frameworks, including browser fundamentals, responsive design, and accessibility
  • Ability to independently scope and deliver open-ended frontend projects, making practical technical and product tradeoffs with limited oversight
  • Strong problem-solving and debugging skills, with attention to testing, maintainability, and the quality of the resulting user experience
  • Strong written and verbal communication skills and the ability to collaborate effectively with designers, product engineers, and other partners

Preferred qualifications

  • Experience working on a design system, frontend platform, or shared component library
  • Experience with developer tooling such as build tools, package managers, codemods, lint rules, or large monorepos
  • Experience building tools, integrations, or automated evaluation and quality systems for AI coding agents
  • Experience using documentation, developer feedback, or adoption data to improve a developer-facing product