Frontend Engineer - Verification Squad

In Sofia's Payments Tribe, our goal is to build a global financial ecosystem while turning transactions into interactions. Payments processing is the core of the SumUp service and ecosystem, and that’s why we are passionate about our product and the vision of bringing new payment solutions to small businesses. As a Frontend Engineer, you will be part of a team with a clear mission and goal to make our customers more successful doing what they love.



In the Verification squad we are building the verification mechanisms to help us verify the identity of our merchants in the smoothest way possible. We have hundreds of thousands of new merchant registrations per month, and it is crucial that we have automatic ways of verifying their identity, addresses, and other pieces of data where applicable. To achieve this, we are integrating different third party providers as well as developing our own tools.



  • You will be a part of a colocated cross-functional team and collaborate with professionals from Engineering, Product and Design to bring exciting new features to our merchant-facing and internal web applications.
  • You will be encouraged to share your knowledge with your peers and will also receive feedback and mentorship. 
  • You will have ownership of different projects and immediately see the impact of your work.



  • You have an in-depth understanding of JavaScript and DOM-related concepts
  • You are an expert in building SPA applications, preferably with React 
  • You are experienced in using a component-oriented approach and thinking in a reusable way
  • You have a hands-on experience with implementing highly-responsive UI designs
  • You have a good understanding of UI and unit testing concepts
  • You are able to communicate fluently in English about various technical topics




  • You have a full-stack mindset and are open to learning other technologies which are not constrained to web development
  • You are familiar with Docker and/or Kubernetes (or willing to learn) 
  • You are comfortable sharing knowledge and mentoring others 




  • You'll have the space to drive your career here and take ownership of projects
  • You’ll have the chance to work on a diverse and international team
  • You'll be able to attend global offsites/hackathons/team events
  • You'll have a competitive compensation 
  • 10 days educational vacation and personal educational budget
  • 25 days paid vacation + 1 accumulative day for each year of employment at SumUp
  • Additional health insurance
  • Multisport cards
  • Various discounts for SumUp employees
  • Attractive referral program
  • Employee Assistance Program
  • Transportation to/from the office building
  • Office relaxation activities such as yoga and massage
  • Innovative office design featuring an amazing 360 (insert symbol) Sofia view, a music room, events forum space, fully equipped kitchen facilities, and cozy meeting rooms
  • Food and drinks for all SumUp employees
  • Various sports activities, such as running, football, table tennis, etc.



We believe in the everyday hero.

Small business owners are at the heart of all we do, so we’re creating tools that help them run their business. With a founders mentality and a ‘team-first attitude’ our diverse teams across Europe, South America, and the United States work together to ensure that the small business owners we partner with can be successful in doing what they love.