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Senior Backend Engineer

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Job

  • Level
    Senior
  • Job Feld
    Back End
  • Anstellung
    Vollzeit
  • Vertragsart
    Unbefristetes Dienstverhältnis
  • Ort
    Köln
  • Arbeitsmodell
    Onsite
  • Job Zusammenfassung

    In diesem Job entwickelst du Backend-Services für wesentliche Neobanking-Funktionen, übernimmst die vollständige Verantwortung für Projekte und arbeitest eng mit interdisziplinären Teams zusammen, um strukturierte, leistungsstarke Systeme zu schaffen.

    Job Technologien

    Deine Rolle im 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.

    Unsere Erwartungen an dich

    Qualifikationen

    • 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.

    Erfahrung

    • 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.

    Unser Angebot

    • 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.

    Benefits

    Work-Life-Integration

    Gesundheit, Fitness & Fun

    Themen mit denen du dich im Job beschäftigst

    Job Standorte

    • Standort Köln

      Nordrhein-Westfalen

      Deutschland

    Das ist dein Arbeitgeber

    Sumup

    Sumup

    Unsere Mission bei SumUp ist es, kleinen Unternehmen weltweit zu helfen, ihr Leben zu vereinfachen und damit erfolgreich zu sein. Als globales Finanztechnologieunternehmen wollen wir die erste weltweit akzeptierte Kreditkartenmarke aufbauen.

    Description

  • Sprachen
    Englisch
  • Unternehmenstyp
    Etablierte Firma
  • Arbeitsmodell
    Onsite
  • Branche
    Internet, IT, Telekom
  • Logo Sumup

    Senior Backend Engineer

    Ort
    Köln
    Arbeitsmodell
    Onsite
    Diversität
    Für alle Personen geeignet (m/w/d)
    Nur Englisch
    Nur Englisch erforderlich

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