Sr. Staff Engineer - Payments & Commerce Platform

📋 Description

• Architect and ship multi-tenant, planet-scale services (checkout, subscriptions, payments
• Be the custodian of API & schema design: own protobuf/ConnectRPC conventions, versioning
• Guarantee resilience & availability of core payment paths: timeouts, retries with jitter
• Ensure complete auditability: append-only double-entry ledger, immutable event streams
• Own error boundaries end-to-end: enumerate failure domains (PSP, network, data, concurrency, quota
• Keep track of every deployed thing: services, workers, triggers, cron, subscriptions—own the

🎯 Requirements

• 10+ years building and operating backend systems (at least 5+ years in Go), with 2–3+ years acting
• Deep proficiency with protobuf + ConnectRPC/gRPC and API lifecycle management (versioning
• Distributed systems fundamentals: idempotency, exactly-once-ish via dedupe/outbox, ordering
• Event-driven architectures on GCP (Pub/Sub), plus Redis for fast paths; strong schema design in
• Kubernetes/GKE operations at scale: autoscaling (HPA/VPA), PDBs, resource limits/requests
• Reliability engineering: SLIs/SLOs, error budgets, capacity & load testing, incident