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Chief of Staff

Compensation
$100,000–$150,000/year

Job Description

Mission:

Sphere has built the world’s first AI-native tax engine that helps companies like Eleven Labs, Replit, Runway AI, Windsurf (+ many more) automate their sales tax, VAT and GST obligations:

  • We're growing rapidly (34%+ MoM revenue growth) and helping the fastest growing tech companies around the world including Eleven Labs, Replit, Windsurf, Fathom, Linktree, Photoroom, Sierra AI, Zed etc
  • We’ve spent the last 1.5 years building local rails into tax authorities in both the US and internationally to properly automate compliance processes (no other vendor has done this)
  • We're building the world's first AI-native tax engine (which will be the foundation for a broader cross border compliance platform; think Deel for international billing)
  • We're well funded by Felicis Ventures and YC

We’re looking for a swiss army knife / Chief of Staff to work directly with our CEO at Sphere!

Why this is a massive opportunity

🌍 Massive TAM: Every business around the world needs this. Compliance isn’t optional.

🌬️ Strong macro tailwinds: Businesses are expanding globally at a faster pace, while tax authorities are cracking down on cross-border compliance, driving urgent demand.

✨ AI advantage: Incumbents can’t scale beyond the U.S.; our AI-native tax engine can.

🔮 Product vision: Indirect tax is just the start; we’re building the Deel for international billing.

What you will do

Within days:

  • Work directly with our CEO and Founder on the below:
    • Assist with automating registration and filing operations of our clients at Sphere
    • Setup revops / sales ops processes to enhance BD operations
    • Conduct research into international jurisdictions on cross border compliance rules

Within months:

  • Own key operational processes across the business
  • Assist CEO on KPI tracking and reporting
  • Identify areas of automation across the busienss

What we are looking for

  • High attention to detail - one of our key values is ‘Sweating the details’ and it is essential in our business
  • Someone looking to grind / work hard - Nick (our CEO) works late, on weekends etc. You need to be ok with those sorts of hours as it will allow you to learn faster
  • Strong communication skills - we work at an extremely fast pace and so clear, concise communication is essential
  • Multi tasking capabilities - a lot will be thrown at you and you’ll need to manage your time wisely

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Job Details

Location
San Francisco, CA, US
Posted
Mar 24, 2026, 04:21 PM
Listed
Mar 24, 2026, 04:21 PM
Compensation
$100,000 - $150,000 per year

About Sphere

Part of the growing space & AI ecosystem pushing the frontiers of technology.

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Chief of Staff
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