Staff Backend Engineer - UI Platform
Stripe·Barcelona, Spain
What they ask for
Have the right to work in Spain
Stripe doesn't mention sponsorship in the ad.
Work in English
English is required, per the ad.
Work on-site in Barcelona
No relocation package mentioned.
Have 10+ years of experience
Staff-level role.
Pulled from the advert automatically — the full ad is what counts.
About the role
As a Staff Software Engineer on the UI Platform team, you’ll help shape the technical direction for the services that support Stripe’s user interfaces. You’ll combine hands-on engineering with technical leadership, working with backend engineers and cross-functional partners to deliver platform capabilities that help Stripe build consistent, reliable user experiences.
What you'll do
- Define a cross-team technical strategy, architecture, and multi-year roadmap for the backend services that power Stripe’s merchant-facing experiences
- Lead the design and delivery of scalable backend services that give product teams a consistent foundation for building reliable user experiences across the Dashboard, mobile applications, and other interfaces
- Build reusable platform capabilities that help product teams develop, operate, and improve their products with confidence
- Partner with engineers, product managers, and designers to connect the design system, software development kits, APIs, and backend services
- Provide hands-on technical leadership through architecture reviews, technical guidance, and mentorship, raising the quality and effectiveness of the team’s work
What we're looking for
- This is a staff-level role, which typically means 10+ years of experience building complex, reliable, scalable APIs or distributed systems
- Track record of leading the technical design and delivery of large projects across multiple engineering teams
- Experience setting technical direction and translating strategy into an executable roadmap
- Demonstrated ability to communicate technical decisions and tradeoffs with engineering, cross-functional partners, and senior leadership
Nice to have
- Experience building backend-for-frontend systems or frontend platform services
- Experience working on developer platforms, design systems, or UI infrastructure
- Experience using agentic development workflows to improve engineering productivity
- Experience with feature flagging, experimentation, telemetry, or analytics systems
About the company & team
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.
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 Services team provides backend-for-frontend services that help product teams build consistent, scalable user experiences.
The team is defining its mission, roadmap, and technical vision as the UI platform takes on a more central role in how Stripe builds user interfaces. We work with engineers, product managers, and designers across Stripe to connect the design system, software development kits, and backend services into a consistent, surprisingly delightful user experience.
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.
About the company
Stripe
Fintech