Software Engineer, Data Infrastructure (Staff+)

We're building the infrastructure foundation for a fast-growing AI product company serving thousands of customers:

• Our Postgres fleet serves 5B+ queries a month — roughly 2,500 QPS steady state, with sustained spikes past 25,000 QPS — and database workload more than doubled last month.
• Redis sustains ~50,000 commands per second behind a job platform that executes 10M+ background job runs a day across ~170 queues.
• We ingest tens of millions of emails and calendar events a month.

That growth creates scaling pressure across backend systems, infrastructure, and data infrastructure. We're hiring a staff-level engineer who spikes in data infrastructure but is excited to work across backend systems, infrastructure, and product-facing data problems. The work is close to the product, close to customers, and close to production.