Senior Backend Engineer

Overview As a Senior Backend Engineer, you’ll design, build, and scale core backend systems that power high-traffic consumer products and internal platforms. You’ll own foundational services and APIs, work on high-throughput distributed systems, and partner closely with product, ML, and engineering teams to deliver reliable, low-latency experiences at scale. About Phia Phia has raised $43M from Notable Capital, Khosla Ventures, and Kleiner Perkins to build the AI alignment layer for commerce. I…