Job
- Level
- Senior
- Job Field
- Back End
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Location
- Cologne
- Working Model
- Onsite
Job Summary
In this role, you will build backend services for core neobanking features, take full ownership of projects, and collaborate closely with cross-functional teams to create structured, high-performing systems.
Job Technologies
Your role in the team
- Build and maintain Backend services for Core neobanking features including bank transfers, open banking, savings accounts, and payment processing.
- Take end-to-end ownership of features and projects, covering scoping, design, development, testing, deployment, and maintenance, leveraging Go along with Docker and Kubernetes for container orchestration.
- Take ownership of critical infrastructure migrations - including our banking core system transitions - without disrupting live customer experiences.
- Collaborate closely with cross-functional teams including product, design, data science, security, and operations to understand requirements, provide technical insights, and contribute to architecture discussions that ship meaningful banking features end-to-end.
- Support fellow developers and actively help build a collaborative, innovative engineering culture.
- Shape technical architecture and lead code reviews, helping define and promote best practices in code quality, testing, automation, and security to raise the overall engineering bar.
- Build and integrate tools and systems that improve operational efficiency and reliability, with strong observability through monitoring, alerting, and hands-on involvement in incident response and post-mortems.
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Our expectations of you
Qualifications
- Strong proficiency in Go, Kotlin or Python, with a track record of building scalable, production-grade backend services.
- Solid understanding of SQL and NoSQL databases, distributed systems, and the trade-offs that come with high-availability requirements.
- Comfort navigating complex, regulated environments - whether that's financial services, payments, or similarly high-stakes domains.
- A collaborative, product-oriented mindset with the ability to work independently, communicate clearly, and adapt when priorities shift.
- Familiarity with the Fintech or Banking regulatory landscape is a plus.
Experience
- Experience working with cloud platforms (AWS or comparable) and container orchestration tools such as Docker and Kubernetes.
- Previous experience in a Growth-focused engineering team is a plus.
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What we offer
- Opportunity to work with a truly global, multicultural team from our central Covent Garden location, wrapped in historic charm and modern flair. This involves an office-first setup.
- 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.
- Generous time off: enjoy 28 days of paid leave, plus bank holidays and special leaves.
- A dedicated annual L&D budget for attending conferences and/or advancing your career through further education.
- Health matters: private health insurance, including optical and dental.
- Life made easier: salary-sacrifice commuter benefits via Gogeta.
- Financial security: retirement scheme (SumUp matches 7% when you contribute 5%).
- Peace of mind: life insurance from MetLife for 2× your salary.
- Break4me: 1-month sabbatical after 3 years of service.
- Referral Bonus: earn additional rewards by referring talented individuals to join the SumUp team.
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Benefits
Work-Life-Integration
Health, Fitness & Fun
Topics that you deal with on the job
Job Locations
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Sumup
Our mission as a global FinTech company is to build the world's first global card acceptance brand, empowering small businesses all over the world and helping them achieve their goals.
Description
- Language
- English
- Company Type
- Established Company
- Working Model
- Onsite
- Industry
- Internet, IT, Telecommunication
Senior Backend Engineer
- Location
- Cologne
- Working Model
- Onsite
- Diversity
- Open for all genders
- English Only
- English only required
