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Senior Backend Engineer; Infrastructure

Job in San Francisco, San Francisco County, California, 94199, USA
Listing for: Dormont Manufacturing Co
Full Time position
Listed on 2026-06-29
Job specializations:
  • Software Development
    Backend Developer, AWS
Salary/Wage Range or Industry Benchmark: 230000 - 280000 USD Yearly USD 230000.00 280000.00 YEAR
Job Description & How to Apply Below
Position: 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

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Position Requirements
10+ Years work experience
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