Senior Software Engineer - BE- Protection

Primer
Portugal, Hungary, Poland, South Africa, Romania
Workplace: RemoteFull timeFunction: Software EngineeringSkills: ["Architecture","Code quality","Mentoring","Proactive delivery","Customer focus"]

Build and scale the Protection team’s risk management automation for payment disputes and fraud. You’ll own backend systems end-to-end, help design service boundaries and data models, and expand dispute coverage across Primer’s network. Partner with Product and engineering to turn merchant pain into shipped automation, collaborate with fraud vendors via unified comparison/switching, and add a native rules/signals engine with merchant-configurable signals.

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Primer
Primer
1 day ago

Senior Software Engineer - BE- Protection

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Last checked: 5 hours agoStatus: Live

Job Summary

Build and scale the Protection team’s risk management automation for payment disputes and fraud. You’ll own backend systems end-to-end, help design service boundaries and data models, and expand dispute coverage across Primer’s network. Partner with Product and engineering to turn merchant pain into shipped automation, collaborate with fraud vendors via unified comparison/switching, and add a native rules/signals engine with merchant-configurable signals.
Location: Portugal, Hungary, Poland, South Africa, Romania
Workplace: Remote
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Move across backend and support frontend dashboard development where needed.
  • •Architect and build dispute-handling automation for notification, deadline tracking, evidence collection, and responses at scale.
  • •Expand dispute coverage across Primer’s network by integrating additional PSPs.
  • •Work with fraud vendors (Riskified, Forter, Signifyd, Sift) to deliver unified comparison and switching instead of bolt-on integration.
  • •Design and ship a native rules and signals engine (e.g., velocity rules, blocklists, device fingerprinting) and make early architecture calls for scalability.

Pay and Benefits

Perks:EquityRemote WorkPrivate MedicalLearning BudgetHome Office

Key Requirements

  • •Own backend systems end-to-end from design through shipping and monitoring, ideally in fraud, risk, payments, or a similarly consequential area.
  • •Comfort designing systems from scratch with strong architecture and code-quality instincts.
  • •Experience mentoring or raising the technical bar for engineers around you.
  • •Proactive drive to ship early and often, turning work into customer-facing outcomes quickly.
  • •Track record of maintaining a high quality bar in production shipping, especially where bugs can cost customers money.
Experience:FraudRiskPayments
Skills:ArchitectureCode qualityMentoringProactive deliveryCustomer focus

Company Brief

Primer
Provides a unified, no-code / low-code payments infrastructure and orchestration platform that lets merchants connect, automate and optimise payment flows across processors, methods and partners to improve conversion and reduce friction.
Industry: Fintech Infrastructure
Company Size: Medium (51 to 250 employees)
Growth: Scaleup
Valuation: USD 250M to 500M
Funding: Series B
Headquarters: London, United Kingdom
Founded: 2020
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