Senior Software Engineer (Golang)- Payments Experience

<div data-testid="markdown-response"> <p class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">We believe in the everyday hero. Those who have the courage to follow their passion and who have the strength and determination to realise their dreams.</p> <p class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">Small business owners are at the heart of all we do, so we're creating powerful, easy-to-use financial solutions to 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 small business owners can be successful doing what they love.</p> </div> <div data-testid="markdown-response"> <div> <h3>About the team</h3> </div> </div> <div data-testid="markdown-response"> <div> <p id="message">The Payments Experience team sits at the heart of how millions of small businesses receive their money. We build and maintain the backend services that power payout settings, payout instruments, and the tooling that keeps payments flowing reliably across 37 markets. Right now, the tam is working through a meaningful technical challenge: migrating legacy services off an ageing platform database while continuing to deliver new capabilities for merchants and internal teams. This is a great opportunity to join a small, focused squad where your contributions are visible, your code matters, and there's real space to grow your craft in a complex fintech domain.</p> </div> </div> <div data-testid="markdown-response"> <h4>What you'll do:</h4> </div> <div data-testid="markdown-response"> <div> <ul> <li>Build and ship features within the Payments Experience domain, including payout instrument flexibility per market and tooling to manage SUBA availability for sales teams</li> <li>Support the ongoing maintenance and operational health of the team's backend services, keeping them stable and reliable</li> <li>Contribute to decommissioning a legacy Ruby service that manages payout settings in the Dashboard and SuperApp, including cleaning up dependencies for a smooth transition</li> <li>Help remove Platform DB dependencies from the Bank Accounts service as part of a broader migration effort</li> <li>Take part in planning and refinement sessions, sharing technical assessments and effort estimates with the team</li> </ul> </div> </div> <div data-testid="markdown-response"> <div> <h4>You'll be great for this role if you have:</h4> </div> </div> <div data-testid="markdown-response"> <div> <ul> <li>Strong hands-on experience building applications in Go, with a solid grasp of core language concepts and the standard library.</li> <li>Comfortable working within microservices architectures and implementing or consuming RESTful APIs.</li> <li>Good knowledge of SQL databases, particularly PostgreSQL, and ability to write clean, efficient queries.</li> <li>Familiarity with containerised deployments using Kubernetes and experience working with AWS.</li> <li>Open to feedback, motivated to solve real engineering problems, and comfortable navigating multi-language codebases (the team works across Go and Ruby).</li> </ul> </div> </div> <div data-testid="markdown-response">&nbsp;</div> <div data-testid="markdown-response"> <h4>Why you should join SumUp:</h4> </div> <div data-testid="markdown-response"> <ul> <li>🌍 Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our modern Sofia office. This involves an office-first setup</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">🌈 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</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">🚀 Enrolment in our Virtual Stock Option programme: you will own a stake in SumUp's future success</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">📚 A dedicated annual L&amp;D budget of €2000 for your individual development, which you can be used to attend conferences and/or advance your career through further education</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">🏖 Generous time off: 25 days of paid leave, plus one extra day per year of service (up to 35)</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">🏥 Peace of mind: comprehensive health and life insurance - includes dental coverage</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">💪 Stay active: on-site yoga and a co-sponsored Multisport card offering access to hundreds of sports facilities</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">🍽 Meal support: benefit from a tax-free food voucher program (100 EUR per month) plus flexibility via our Re:Benefits platform (40 EUR)</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">🚌 Easy commute: free shuttle buses connecting directly to Joliot-Curie metro station</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">👶 Family-friendly: new baby bonus&nbsp;</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">🌴 Break4me: 1-month sabbatical after 3 years of service</li> <li class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">🔗 Referral Bonus: earn additional rewards by referring talented individuals to join the SumUp team</li> </ul> <p class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn"><strong class="cui-body-gccz cui-body-m-0hb4 cui-body-semibold-pgl7 cui-body-normal-pxkh cui-body-highlight-bbub css-10dm8y e173j6r82">About SumUp</strong></p> <p class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn"><strong class="cui-body-gccz cui-body-m-0hb4 cui-body-semibold-pgl7 cui-body-normal-pxkh cui-body-highlight-bbub css-10dm8y e173j6r82">Be empowered to do more that matters.</strong></p> <p class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">At SumUp, we're on a mission to empower small businesses across the globe by providing simple and affordable tools that allow them to thrive. Today, over 4 million businesses in 37 markets rely on SumUp as their financial partner to manage payments, finance and customer relationships.</p> <p class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">Our commitment to small businesses is reflected in&nbsp;<a class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh cui-anchor-pww3 cui-focus-visible-6pov css-k1irjw e17ev4ar0" href="https://youtu.be/9DG64C3moeQ?si=YpcWuBNBTOQPzeLI" target="_blank">our diverse team<span id=":rr4:" class="cui-hide-visually-cx1l">Opens in new window</span></a>&nbsp;of over 3,000 SumUppers from over 90 nationalities, united by global collaboration and an innovative mindset.&nbsp;<a class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh cui-anchor-pww3 cui-focus-visible-6pov css-k1irjw e17ev4ar0" href="https://www.sumup.com/careers/culture/?city=Bulgaria">Our core values</a>&nbsp;lay the foundation for who we are and what we stand for, shaping our work culture and driving our success. We foster inclusivity and a continuous learning culture, providing a safe space for personal and professional growth. Our differences make us unique and strong as we strive to create an environment where everyone belongs and feels supported, no matter how they identify.</p> <p class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh css-k4eprn">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. Discover more about our culture and opportunities on our&nbsp;<a class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh cui-anchor-pww3 cui-focus-visible-6pov css-k1irjw e17ev4ar0" href="https://www.sumup.com/careers/?city=Bulgaria">careers website</a>, and follow our journey on&nbsp;<a class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh cui-anchor-pww3 cui-focus-visible-6pov css-k1irjw e17ev4ar0" href="https://www.linkedin.com/company/sumup/" target="_blank">LinkedIn<span id=":rra:" class="cui-hide-visually-cx1l">Opens in new window</span></a>,&nbsp;<a class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh cui-anchor-pww3 cui-focus-visible-6pov css-k1irjw e17ev4ar0" href="https://www.instagram.com/insidesumup/" target="_blank">Instagram<span id=":rrc:" class="cui-hide-visually-cx1l">Opens in new window</span></a>, and&nbsp;<a class="cui-body-gccz cui-body-m-0hb4 cui-body-regular-g1zg cui-body-normal-pxkh cui-anchor-pww3 cui-focus-visible-6pov css-k1irjw e17ev4ar0" href="https://www.tiktok.com/@insidesumup" target="_blank">TikTok<span id=":rre:" class="cui-hide-visually-cx1l">Opens in new window</span></a>.</p> </div><div class="content-conclusion"><p><strong>Job Application Tip</strong></p> <p><span style="font-weight: 400;">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.</span></p></div>