{"id":984920,"url":"https://alion.io/job/sumup-senior-backend-engineer-3","title":"Senior Backend Engineer","company":{"id":2055,"name":"SumUp","domain":"sumup.com","url":"https://alion.io/company/sumup","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":79,"open_postings":105,"ghost_share":0,"stale_share":0.838,"repost_share":0,"time_to_fill_p50_days":43,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Florianópolis, Brazil","São Paulo, Brazil"],"countries":["BR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":54000,"max_usd":115000,"period":"year","method":"role_seniority_country_cell","sample_n":20},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":true,"technologies":[{"name":"AWS","optional":false},{"name":"Java","optional":false},{"name":"Kotlin","optional":false}],"status":"live","first_seen_at":"2026-06-10T16:54:50Z","employer_posted_date":"2026-09-22","last_verified_at":"2026-10-11T22:18:10Z","board_verified":true,"closed_at":null,"days_open":123,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":122},"description":"Senior Backend Engineer - Global Bank tribe\nFlorianópolis, Brazil\nAt SumUp, we believe small merchants are the heartbeat of our communities. By joining the Global Bank tribe, you'll help shape the card infrastructure that directly powers how millions of merchants access, manage, and grow their finances in Brazil and beyond.\nAs a Senior Backend Engineer, you will play a central role in evolving our card domain - from credit card launches and digital wallet integrations to regulatory compliance and cross-market scalability. This is a role for engineers who want their work to matter and who thrive at the intersection of technical excellence and real-world impact.\nWhat you'll do\nShape the card domain globally: Take ownership of complex backend features across the card lifecycle, delivering production-ready code that scales across Brazil, Chile, and Europe.\nBoost reliability: Introduce and improve monitoring, alerting, and runbook practices, actively support incident handling, and contribute to incident reviews with follow-up improvements that stick.\nDrive technical growth: Define reusable architecture patterns, lead service refactoring, and reduce technical debt across 12+ service orchestrations in the Latam card domain.\nLead & mentor: Act as a technical reference for junior and mid-level engineers, facilitate design discussions, and author RFC sections that push the team's engineering standards forward.\nCollaborate broadly: Partner with Product Managers, Designers, and cross-functional squads to shape roadmaps, influence technical strategy, and deliver compliant, merchant-facing products.\nWhat makes you a great fit\nAbility to take complex, ambiguous product problems and define clear, scalable technical approaches.\nStrong expertise in unit and integration testing, with a focus on writing reliable, maintainable backend code in production environments.\nProficiency in backend development, with experience in Java, Kotlin or a genuine drive to master it quickly.\nHands-on experience with AWS Cloud services and relational databases.\nAble to collaborate effectively across teams and communicate complex ideas in a clear, adaptable way - including with non-technical stakeholders.\nAdvanced written and spoken English proficiency.\nWhy you should join SumUp\nCareer growth: Be part of a global team working on large-scale fintech products used by millions of businesses across 37 markets.\nLearning & development: Access an annual budget of R$ 10,000 for education, certifications, and conferences.\nGlobal experience: Collaborate with a diverse team of 3,000+ people from over 90 countries, and join our global off-sites and hackathons.\nTime off: Enjoy 30 additional days off through our Break4Me programme after 3 years at SumUp, plus 22 working days of paid leave and public holidays.\nGrow with us: Participate in our virtual stock option programme and benefit from SumUp's success with company shares.\nGreat benefits: Health plans, meal vouchers (Pluxee), Zenklub for mental well-being, Wellhub gym membership, life insurance, childcare allowance, and private retirement contributions via Santander.\nReferral bonus: Earn additional rewards by referring talented people to join the SumUp team.\nLearn more about SumUp\nOffice tour - São Paulo\nSumUp's Innovation Hackathon\nGet to know our hiring process\nAbout SumUp\nBe empowered to do more that matters.\nAt 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.\nOur commitment to small businesses is reflected in our diverse team of over 3,000 SumUppers from over 90 nationalities, united by global collaboration and an innovative mindset. Our core values 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.\nSumUp 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 careers website, and follow our journey on LinkedIn, Instagram, and TikTok.\nJob Application Tip\nWe 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. 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