Connexis Group
27/07/2026
Full time
Own the routing engine, billing infrastructure and webhook delivery. Python/FastAPI/MongoDB. We process every inbound lead through code you write - sub-100ms p99 latency, idempotent everything, audit-trail everything. Who you are 6+ years building production Python services - async/await fluent Deep MongoDB experience including indexing, aggregation, transactions Have built billing or payments infra you're proud of Care about correctness - money flows through this code What you'll own Own ping-tree v2 (multi-buyer parallel routing) Lead the CRM connector platform (HubSpot/Salesforce/Pipedrive) Set the engineering bar for the next 5 hires