OrderYOYO

Senior Software Engineer (Payments)

Berlin, Friedrichshain-Kreuzberg, DE · Senior

Sponsorship not specifiedDetected 49 days ago

Distributed SystemsAzureCI/CDIncident ResponseComplianceTest AutomationCommunicationUnderwriting

About the role

Personal development is central to how we work - engineers are encouraged to grow technically, take responsibility, and help shape how our products and platforms evolve.
We help restaurants succeed online by providing branded websites, mobile apps, and tailored marketing solutions, giving them full control of their business.
By removing high commission fees charged by third-party platforms, we empower restaurants to grow sustainably.

We create a positive, inclusive environment where people are trusted to do their best work and take ownership of what they build.
Senior Software Engineer - Payments Role purpose Own and evolve OrderYOYO's payments capabilities across online + in-store (POS, Kiosk & Payment terminals), supporting the transition to a more scalable operating model, and enabling capabilities like KYC onboarding, deductions, settlement/payout timing, dispute flows, and merchant invoicing.
Build robust "flow-of-funds" primitives: idempotency, ledgers/events, audit trails, and supportability for finance/compliance.
Integrate with PSP and partner tooling with attention to tri-party / sub-merchant implications where applicable.
Implement dispute/chargeback and fraud-handling touchpoints (internal workflows + PSP tooling), and collaborate with ops on runbooks and escalation paths.
Work closely with Product, Legal/Compliance, Finance, and Support to convert requirements into safe, testable production behaviour.
Implement marketplace capabilities where relevant: onboarding/KYC integration, merchant configuration, settlement instructions, deductions, and invoicing/merchant-statement alignment.
Mentor engineers, lead design reviews, and contribute to shared standards and documentation (payments is too critical to be tribal knowledge).

Must-have experience Strong backend engineering background in distributed systems (microservices, async processing, resilient APIs, eventual consistency).
Production experience with payment flows (auth/capture/refund, webhooks, reconciliation) and "money correctness" patterns (idempotency keys, double-entry thinking, auditability).

Experience with sub-merchant / marketplace / Payfac-like operating models (KYC, underwriting, settlements, fee deductions).
Familiarity with dispute tooling, scheme rules, 3DS/risk rules, or fraud platforms.
PCI, protecting PII, secrets management, least privilege, secure coding.
Comfortable in an Azure-first environment (APIs, queues/eventing, monitoring), and with CI/CD + automated testing practices.
Clear communication with non-technical stakeholders in high-stakes scenarios (incidents, financial breaks, compliance asks).
Nice to Have Experience with sub-merchant / marketplace / Payfac-like operating models (KYC, underwriting, settlements, fee deductions).

This listing is sourced directly from OrderYOYO's careers page and normalized into a canonical job model.