SumUp
The Senior Full-Stack Engineer will own and develop the Partner Portal, building both the frontend with React, TypeScript, and Next.js and the backend services and APIs in TypeScript and Go. The role involves shaping technical direction, collaborating with CRM engineers and product stakeholders, and delivering features that reduce operational friction for SumUp's partner channel.
Headquarters
London, England, United Kingdom
Company Size
1001-5000 employees
Founded
2012
SumUp is a global financial‑technology company that provides simple, affordable payment solutions for small businesses, including card readers, point‑of‑sale systems and online payment tools. Millions of merchants use SumUp’s hardware, mobile app and web platform to accept in‑person and remote payments, track sales and manage day‑to‑day operations. The company emphasizes ease of use, transparent pricing and broad international availability, backed by customer support and integrations to help merchants grow.
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for SumUp.
SumUp didn’t post a salary, so this is our estimate from similar listings.
26% below the average for this role
SumUp Weighs Stock Market Listing That Could Value Firm at $15 Billion
Sep 15, 2025
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