Software Engineer II, Backend (Online Storage)

📋 Description

• Build and scale Affirm's Cache Services on Redis and Valkey, owning cluster migrations end to end
• Productionize cache clusters: capacity and shard planning, failover and replication setup
• Replace manual cache requests (provisioning, config changes, access) with automated, audited
• Operate the fleet in production: define SLOs, build alerting for hot keys, memory pressure and
• Partner with client teams on caching strategy (key design, TTLs, consistency, client timeouts) and
• Break down larger projects into individual tasks, deliver them in multiple phases, and collaborate

🎯 Requirements

• 2+ years of experience as a software engineer.
• Experience designing, developing and launching backend systems and are proficient in one of Python
• Familiar with the building blocks of distributed systems, and the technologies like AWS, MySQL
• Have worked on Redis, Valkey or a comparable in-memory store in production and understand
• Can reason about a caching workload end to end: hit rates, tail latency, hot keys, stampedes, and
• Experience automating infrastructure operations with Terraform, Kubernetes and Python, and prefer

🎁 Benefits

• Base pay is part of a total compensation package that may include monthly stipends for health
• In addition, the employees may be eligible for equity rewards offered by Affirm Holdings, Inc.