Software Development Engineer II - Backend

Job Summary

Were building a global commerce platform to power $1T+ in annual transactions for millions of SMEs. As an SDE II, youll design core models - subscriptions, payments, reconciliation, and tax - plus the services around them. Youll define event contracts, data policies, and consistency guarantees to ensure every transaction is correct by design, traceable, and delightful at scale.

Responsibilities

• Design and ship multi-tenant services: checkout, subscriptions, payments orchestration, invoicing, tax hooks

• Integrate PSPs and local methods (UPI, wallets, BNPL, cards/3DS) with resilient webhooks and idempotent APIs

• Implement an append-only double-entry ledger; apply event sourcing/CQRS where it improves scale and correctness

• Write production-grade code with deep test coverage and OpenTelemetry instrumentation

• Operate on GKE with CI/CD, autoscaling, SLIs/SLOs, and on-call ownership

• Collaborate with PM/Design and mentor junior engineers

  Requirements

• 2+ years in software development

• Experience with Postgres, Valkey, and event-driven systems (Kafka, Pub/Sub)

• Strong distributed systems fundamentals: idempotency, retries, ordering, concurrency, and consistency

• Strong multi-tenant systems fundamentals: tenant isolation, per-tenant data and quota boundaries, noisy neighbour containment

• Hands-on experience with Kubernetes and GCP; familiarity with secrets/KMS and PCI basics

• Deep testing discipline: unit, integration, contract, and performance testing

• Schema design for scale and backward compatibility

• Excellent debugging and problem-solving skills

  Tech Stack

• Backend: Go, ConnectRPC, Buf

• Databases: Postgres, AlloyDB, ClickHouse

• Cloud: GKE, Pub/Sub, Valkey, OpenTelemetry

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