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.

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.

• 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.

• 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.

• Grit over pedigree.
• Ship fast: deliver solutions today.
• Self‑starter mindset with no hand‑holding.
• Accountability: measurable targets each month.
• In‑person: SF only.

$230K – $280K
• Offers equity