Build and operate backend integrations connecting the platform to corporate banking, e-invoicing, and tax systems. Design multi-tenant, reliable, auditable integration abstractions handling auth (mTLS, OAuth), ISO 20022/MT formats, retries, webhooks, and end-to-end reconciliation. Ensure data integrity across external partner APIs and production systems.

Build and maintain CRM and HRM connectors (Salesforce, HubSpot, Pipedrive, BambooHR, Personio, Deel, Workday), own integration patterns and libraries, support customer onboarding and troubleshoot production issues, document APIs, and prioritize connector roadmap with Product.