SumUp

Software Engineer II

SumUp  •  Barcelona, ES (Onsite)  •  2 months ago
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Job Description

About SumUp

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 businesses. With a founder’s 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 doing what they love.

Team Description

The Lending team offers a fair, easy, timely, and financially relevant lending experience to small merchants. Empower small business owners to manage their financing independently of the stage of their business, either funding their growth, managing their cash flow,w or covering their operational costs. Enable capital to be available to our merchants and consumers, always and everywhere.

We are looking for new Engineers for our team responsible for developing and maintaining the backend of a critical piece of a lending business: Dunning & Collection. This process is responsible for reaching out our merchants, building repayment plans, and providing alternative payment methods for our customers to stay on track with their financial obligations with SumUp. This includes designing, implementing, and testing new features, as well as improving the performance and scalability of existing ones.

What you’ll do

  • The goal is to improve the functionality and user experience of SumUp's lending platform and to ensure that it meets the needs of our merchants.
  • Design and implement new micro-services to cover different use-cases on Dunning & Collection journey, considering nuances between markets;
  • Improve the performance and scalability of the systems;
  • Design and develop integration with external partners to enable growth.
  • Contribute to the development of a high-performing team.

You’ll be great for this role if

  • 1-3 years of experience as a Software Engineer
  • Experience with Golang or other OOP languages such as Java, Kotlin, Python, etc.
  • Experience in creating and maintaining simple components in React.
  • Experience with RESTful API design and development.
  • Experience with Git and Git workflows.
  • Experience with SQL and NoSQL databases, such as PostgreSQL

It will be an awesome add

  • Good English communication skills to engage in technical refinements with an international team
  • Experience in a fintech/startup environment

Why you should join SumUp

  • Opportunity to work with a truly global, multicultural team (we are 3000+ people from 93 countries, spread across 4 continents).
  • Learning & development budget for attending conferences and external training
  • Competitive salary package and virtual stock option program
  • Office relaxation activities such as yoga and massages regular brunches, football events, and office parties
  • 23 days paid vacation days
  • Additional health insurance and Multisport card
  • Restaurant ticket
  • An amazing team and work environment that works with passion and purpose to achieve incredible results

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, colour, 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.

SumUp

About SumUp

SumUp is a leading global fintech company committed to levelling the playing field for small businesses. Founded in 2012, we’re the trusted partner of over 4 million merchants in 37 markets, providing simple and affordable tools that help them manage payments, finance, and customer relationships.

Our vision is a world where everyone can build a thriving business. Guided by this, we champion small business ownership by creating accessible solutions that empower entrepreneurs to grow and succeed.

Our diverse team of over 3,000 SumUppers — representing more than 90 nationalities across 20 offices worldwide — is at the heart of our success. Beyond business, we donate 1% of the net revenue generated by Solo devices to environmental causes and support educational and entrepreneurial initiatives around the world.

Recognised as a Top Global Employer for inclusion by the Stonewall Workplace Equality Index in 2022 and 2023, and awarded Fintech Diversity Initiative of the Year at the Irish National Fintech Awards in 2025, SumUp continues to build an inclusive, supportive, and purpose-driven workplace where everyone belongs.

Industry
Finance & Insurance
Company Size
1,001-5,000 employees
Headquarters
London, GB
Year Founded
Unknown
Website
sumup.com
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