Senior Backend Engineer - Payments & Fintech
Core
Rebuilding and scaling the financial systems (payments, subscriptions, billing, entitlements) for a rapidly growing global platform, ensuring revenue integrity and accounting accuracy.
Role type
Senior Backend Engineer (Payments & Fintech)
Builds
Canonical payments, subscriptions, billing, and entitlement platform
Domain
Fintech / Payments / Financial Systems
Required skills
Go, PostgreSQL, SQL, Payment Gateway Integrations, Idempotent Webhooks, Financial Reconciliation, Revenue Recognition, Taxation (VAT/GST), Legacy Data Migration, TypeScript, React
Preferred skills
AWS Cognito, Multi-entity/Multi-currency billing, EU VAT/OSS frameworks, Fintech or Trading industry experience
Technologies
Go, PostgreSQL, TypeScript, React, AWS (via careerplan.io/jobs/0ba61eda-0b70-43f0-b790-05428acae29d-senior-backend-engineer-payments-fintech-at-jobgether)
Responsibilities
Design and implement a canonical billing and entitlement ledger using append-only architecture; Own the complete subscription lifecycle including renewals, upgrades, and dunning; Build reliable payment gateway ingestion pipelines with webhook processing; Implement robust handling of refunds, chargebacks, and settlements; Create trustworthy financial data pipelines for accounting close and revenue recognition; Lead migration of live business from legacy billing models; Establish engineering practices prioritizing financial correctness and auditability.