At SumUp, we empower small businesses with simple, affordable tools to start, run, and grow. Our Global Bank teams build the financial services that help merchants manage their money and keep their businesses moving.
For merchants, a transfer should feel simple. Behind that experience is a complex network of payment schemes, banks, providers, messages, certificates, reconciliations, and edge cases—all of which need to work together reliably.
Transfers Europe squad is the integration layer connecting SumUp’s internal systems with the financial networks that move money across Europe and the UK. We build and run the backend services behind SEPA and UK transfer flows, helping move money accurately and reliably across external networks.
As a Backend Engineer, you’ll take ownership of services that process real money. You’ll work on complex systems problems to ensure seamless integrations as we scale, while seeing a direct connection between your engineering decisions and merchant trust.
If you enjoy understanding how systems behave under real-world conditions while improving them over time, we’d love to hear from you.
Our tech stack includes Golang, AWS, Kafka, PostgreSQL, Redis and Kubernetes, supported by a strong observability toolchain with Prometheus, Grafana, and Honeycomb. We also actively use AI‑assisted development tools such as Cursor, GitHub Copilot, and others.
What you’ll do
- Build and maintain production money movement backend services, contributing to their delivery, observability, and ongoing maintenance.
- Own and deliver well‑defined tasks and features, and contribute to larger projects within the team’s domain.
- Contribute to technical design and implementation, following established architectural patterns and best practices.
- Improve service reliability and quality by writing tests, enhancing monitoring, and following established delivery pipelines.
- Support the operation of the systems you work on by participating in on‑call rotations, incident response, and learning from post‑incident reviews.
- Apply a backend and systems perspective during refinement, raising questions about risks, dependencies, and edge cases.
- Collaborate closely with Product, QA, and other engineers to deliver end‑to‑end transfer and banking capabilities.
You’ll be great for this role if you
- Have experience building backend services in a modern environment and supporting them in production.
- You are proficient in Golang and and comfortable learning and working with other languages as needed
- Are comfortable working with cloud‑based systems, containerized workloads, and automated delivery pipelines.
- Raise well-scoped pull requests, conduct thorough code reviews, and help maintain high standards of code quality and test coverage across the team
- Understand the fundamentals of system architecture, data modelling, and API design, and are eager to deepen this knowledge.
- Are curious about how your work fits into the broader system and product experience.
- Communicate clearly and collaborate effectively with engineers, product managers, and other stakeholders.
Any of the following would be considered a plus
- Exposure to banking, payments, or financial systems, especially in regulated environments.
- Experience supporting systems with production traffic, including participating in incident response.
- Use of AI‑assisted tools to improve development speed, learning, or code quality.
Why you should join SumUp
🌎 We’re a truly global team of 3200+ skilled professionals from 92+ countries, spread across 4 continents. Join the team from our Vilnius office.
🌈 Commitment to Diversity and Inclusion: be part of a workplace that values and promotes diversity, fostering an inclusive environment where everyone's perspectives are respected and embraced.
🚀 Enrolment onto our Virtual Stock Option programme: you will own a stake in SumUp’s future success
🏖️ Time off: 25 days of paid leave, plus special holidays
🏥 Peace of mind: health insurance through Gjensidige and life & accidental coverage from Ergo
💪 Stay active: gym membership allowance to help you keep fit on your terms
📚Career growth and learning opportunities: We invest in your development through regular training, mentorship programs, SumUp University cohort and a yearly learning budget (2,000 EUR)
💡We take learning and experimentation seriously with Hack Days every second Friday, and entire global Hack Weeks.
🌴 Break4me: 1-month sabbatical after 3 years of service
🔗 Referral Bonus: earn additional rewards by referring talented individuals to join the SumUp team.
Compensation: In Lithuania, for a Mid Level Engineer is 3,493 to 4,657 Euro Gross and for an Early Senior Engineer is 4,366 to 5,822 Euro Gross p/m + 2000 EUR annual learning budget + Virtual Stock Options.
Offer may vary based on skills, experience and outcome from the hiring process.
About SumUp
At SumUp, we’re on a mission to empower small businesses around the world with simple, affordable tools to help them start, run, and grow. More than 4 million merchants across 37 markets trust us as their financial partner — and we’re just getting started.
We’re a global team of 3,000+ people from over 90 nationalities, united by curiosity, collaboration, and care. Our core values and culture shape everything we do, fostering inclusion, learning, and belonging.
SumUp is proud to be an Equal Employment Opportunity employer, committed to building a safe, respectful, and diverse workplace where everyone can thrive.
👉 Explore more about our culture on our careers site, or follow us on LinkedIn and Instagram.
SumUp is proud to be an Equal Employment Opportunity employer, actively seeking and embracing diversity in our workforce. We don't make hiring or employment decisions based on 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. Our commitment extends beyond recruitment to creating a safe and respectful workplace where harassment of any form is strictly prohibited.
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.
Skills Required
- Experience building backend services in a modern environment and supporting them in production
- Proficiency in Golang
- Comfort working with cloud-based systems
- Comfort working with containerized workloads
- Comfort working with automated delivery pipelines
- Ability to contribute to code reviews and maintain code quality and test coverage
- Understanding of system architecture fundamentals
- Understanding of data modelling fundamentals
- Understanding of API design fundamentals
- Clear communication and effective collaboration with engineers, product managers, and stakeholders
- Exposure to banking, payments, or financial systems
- Experience supporting production-traffic systems and participating in incident response
- Experience using AI-assisted development tools
SumUp Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about SumUp and has not been reviewed or approved by SumUp.
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Leave & Time Off Breadth — Paid time off is positioned as a standout, including 22 vacation days that increase with tenure, public holidays, a quarterly Wellness Day, special leave, and a fully paid one‑month sabbatical after three years. This combination makes time-off benefits feel notably robust in the overall rewards package.
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Healthcare Strength — Health coverage is described as comprehensive, with medical plan options (including carriers such as Cigna and Kaiser) plus dental and vision. Company-paid life insurance and disability coverage are also part of the protection package in the U.S. materials.
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Retirement Support — Retirement benefits include a published 401(k) match formula that provides an employer match up to a stated cap. The clarity of the match structure supports straightforward evaluation during offer comparisons.
SumUp Insights
What We Do
SumUp believes that every business should have access to affordable, easy-to-use financial solutions, no matter their size. That’s why more than 3 million businesses worldwide rely on SumUp to run their business. What started out as one card reader has now turned into a range of payment hardware, banking solutions, marketing, and loyalty tools, invoicing, and so much more. From sales and marketing to product and engineering, our cross-functional US team works together to ensure that small business owners can be successful doing what they love.
Why Work With Us
SumUp USA is part of the global SumUp organization that stretches across multiple continents from Berlin to Sao Paulo. Our teams are multicultural, have a collaborative mindset and bold goals. Join our mission if you want to become part of the success story and help empower over 3 million merchants using SumUp already!
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