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Senior Full Stack Engineer

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

About the role

The role involves developing core platform features related to filing infrastructure, managing and improving key components such as the tax engine and new products, and collaborating with customers to optimize platform performance, with a focus on rapid delivery and measurable outcomes.

Responsibilities

  • Ship features related to a key component of Sphere’s platform - e.g. filing infrastructure
  • Own and manage this key component, driving measurable outcomes
  • Work directly with customers like Eleven Labs, Replit and Windsurf to improve / optimize that key component of the platform (e.g. improve filing generation and submission speed [x])
  • Develop expertise across other key components of Sphere’s platform - e.g. tax engine, new products - to manage and execute improvements in this area
  • Lead / mentor additional engineers in component areas that you have worked in

Qualifications

  • Strong experience in Python
  • Experience with Django
  • Ability to work with frontend / React when needed
  • Very strong attention to detail, especially with numbers

Skills

Required:Python
Nice to have:DjangoReact
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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