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Senior Backend Engineer (Infrastructure)

Sphere· Engineering
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San Francisco$180k - $250kFull-timePosted 11mo ago

About the role

Responsible for building scalable infrastructure to support transaction syncing and live tax calculation in a high-growth AI-powered cross-border tax compliance platform.

Responsibilities

  • Find solutions to Sphere's toughest scaling, performance, and latency problems
  • Work closely with engineering developers to define tooling to help ship faster
  • Participate in on-call rotation to resolve critical production events
  • Work directly with customers and partners on latency and availability requirements
  • Influence and implement next-generation database, real-time queue, and container orchestration infrastructure
  • Scale cloud-native technologies like AWS services and Terraform abstractions

Qualifications

  • Experience managing k8s clusters in AWS, GCP, or Azure at scale
  • Extensive experience shipping high-quality architectures for mission-critical systems (high availability, load, low latency)
  • Experience with Postgres at scale

Skills

Required:KubernetesPostgreSQLAWS
Nice to have:Python
Last updated Nov 22, 2025. Interested? Apply on the company site.
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About Sphere

The Only AI-Native Tax Engine

Manage VAT, GST, and sales tax worldwide with Sphere’s global tax compliance software. Automate registration, calculation, and filing seamlessly.

Tax ComplianceVATGSTSales TaxGlobal AutomationAI Native Tax Engine
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