Manage VAT, GST, and sales tax worldwide with Sphere’s global tax compliance software. Automate registration, calculation, and filing seamlessly. Backed by Y Combinator, a16z and Felicis.
About the role
Sphere is looking for an engineer to lead our internal AI agent enablement efforts. You’ll build the systems that let AI agents safely and effectively increase velocity across. Sphere, starting with engineering and expanding into ops, customer success, tax research, and implementation workflows. Ship AI agent features that help Sphere’s engineering team use agents more effectively and responsibly.
What they're looking for
- Experience building production-quality software
- Experience in AI agents, coding agents, internal developer tooling, or AI agent enablement
- Comfort working across backend systems, infrastructure, local development environments, CI, and internal tools
- Strong judgment around autonomy, safety, permissions, and human review
- High agency. You can take a vague internal problem and turn it into a working system people actually use
- Strong attention to detail. Agents are only useful here if they improve speed without reducing correctness
More about this role
Every breakthrough in trade infrastructure has followed the same pattern: reduce a transaction cost, expand the market. Containerization for goods. SWIFT for money. Stripe for payments. Compliance is one of the last and largest — and the hardest, because trade rules aren't data to be looked up. They're a complex adaptive system with 190+ sovereign jurisdictions, in different languages, changing constantly, reacting to each other.
Sphere built the system that solves it. Our AI (TRAM) ingests global trade law, interprets it, resolves conflicts across jurisdictions, and produces compliance determinations more reliable than human experts. We handle the entire lifecycle — calculation, registration, filing, remittance — at millisecond latency with zero downtime.
Backed by a16z and YC. $21M Series A, 30%+ month-over-month growth, customers include ElevenLabs, Replit, Deel, Runway, and Lovable.
Small team, global surface area . Everyone owns a domain that would be a full team at a larger company. San Francisco, in office.
The problem keeps compounding . Expanding into input tax, withholding, e-invoicing, tariffs — each multiplies the complexity. Tens of millions of transactions today,...
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