Senior Backend Engineer (Infrastructure)

Sphere uses AI to codify the world’s international trade law and helps companies automate sales tax, VAT and GST compliance. What you will do Within weeks: Find solutions to the toughest scaling, performance, and latency problems. Work closely with engineering to define tooling to accelerate shipping. Participate in on‑call rotation to resolve critical production events. Collaborate with customers like Eleven Labs, Replit, Windsurf, and partners such as Stripe and Chargebee on latency and availability. Within months: Influence and implement the next generation of database, real‑time queue and container orchestration infrastructure. Introduce and scale best practices with cloud‑native technologies such as Amazon ALB, ECS/EKS, Temporal, AWS SQS, Amazon Aurora PostgreSQL, Elasticache Redis, and S3. Build Terraform abstractions to simplify architecture and increase velocity and ownership. Requirements Experience managing k8s clusters in AWS, GCP, or Azure at scale. Extensive experience shipping high‑quality architectures for mission‑critical systems focusing on high availability, high load, and low latency. Experience with PostgreSQL at scale. Nice to have Experience working with large volumes of transaction data. Strong experience in Python (backend and data pipeline services built with Python and Django). Passionate about developer experience. Very strong attention to detail; high precision required. What’s important to us Grit over pedigree. Ship fast: deliver solutions today. Self‑starter mindset with no hand‑holding. Accountability: measurable targets each month. In‑person: SF only. Compensation $230K – $280K • Offers equity #J-18808-Ljbffr Dormont Manufacturing Company