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Senior Software Engineer

4 months ago

Boulder, United States SumUp Full time

Senior Software Engineer - Loyalty Platform

Senior Software Engineer [Boulder, CO]

As part of the Loyalty Platform team, you’ll play an important role in building and maintaining key services that power our Loyalty products and backing services. We’re a diverse group working in multiple contexts, across multiple technology platforms, and in support of multiple teams. Our products and services power thousands of devices, millions of interactions, and billions of sent messages annually. We own and support public-facing dashboards used by nearly all US SumUp merchants, internal and partner-level APIs, and a rich set of internal back-office tools.

This is an in-office position in Boulder Colorado.

What you’ll do:

  • Maintain a high level of quality in our code bases through well-written automated tests, good architecture and code review processes
  • Own, design, and code product initiatives from start to finish
  • Participate in collaborative problem solving, planning sessions, and retrospectives
  • Work collaboratively with designers, product managers, QA, and internal support teams to ensure our products are the best they can be

What we're looking for:

  • BS in Computer Science or equivalent work experience
  • 6+ years experience working with modern JavaScript/TypeScript and back-end frameworks; we use React/Next.js, some Angular, and Python/Django, but if you have a strong eye for clean modular code then you will fit right in
  • Strong team player - we work in small product teams that work very closely together and are constantly collaborating in order to move as fast as possible
  • Eagerness to take on new challenges with a positive attitude and a growth mindset

Who we are:

Business owners are at the heart of everything we do at SumUp, which is why we create powerful, easy-to-use financial solutions to help them. With a founder’s mentality and a 'team-first’ attitude, our diverse teams across the globe work together to ensure small business owners we partner with can be successful doing what they love. 

SumUp is a global financial technology company that allows businesses of all sizes to manage their business and accept payments both in-store and online. Named as Europe’s fastest-growing company in the Inc. 5000, SumUp supports over 4 million merchants globally and operates in 36 markets across Europe, the U.S., South America, and Australia. With our point of sale systems, card terminals and online services relied upon by businesses of all sizes, SumUp is the partner of choice for small businesses from every walk of life.

Compensation: 

  • $130k-$180k
  • Compensation will be finalized based on the candidate’s experience

Benefits & More:

  • We’re a truly global team of 3200+ people from 60+ countries, working to help small businesses across 3 continents.
  • Startup environment and small, cross-functional teams 
  • Medical, Dental and Vision benefits, along with too many to list
  • 22 days vacation days & 8 sick days plus 11 paid holidays
  • 401(K) employer match and Paid Parental leave
  • Sabbatical after every 3 years of employment


SumUp is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. SumUp does not make hiring or employment decisions on the basis of race, color, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age or any other basis protected by applicable laws or prohibited by company policy. SumUp also strives for a healthy and safe workplace and strictly prohibits harassment of any kind.

SumUp will not accept unsolicited resumes from any source other than directly from a candidate.



Job Application Tip

We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.