Staff/Principal Software Engineer – AI-Native Fintech
Architect and build autonomous AI agents for end-to-end bookkeeping workflows in a high-growth fintech startup. Own full-stack development in TypeScript/Next.js, including integrations with financial platforms and core ledger infrastructure. Requires 5+ years of experience with deep fluency in TypeScript, Next.js, and production LLM/AI agent systems.
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Job Description
Staff/Principal Software Engineer x4 – AI-Native Fintech
TypeScript, Next.JS, LLMs
Salary up to $350k +$50k (add to Salary/Equity) + 0.5–2% equity
San Francisco (or remote, US)
Visa sponsorship available (H1B transfer/TN, case by case). SF-based (SOMA) or remote with monthly SF on-site for exceptional candidates — travel covered
AI native start-up not just focused on building a tool for bookkeepers. They’re replacing the job entirely. Part of Founding engineering team, with $10m seed, led by Khosla Ventures.
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Small business bookkeeping, manual, expensive, error-prone hasn’t fundamentally changed in decades. This team is synthetically recreating the entire profession with autonomous AI, and they need a Staff or Principal engineer to help architect it from the ground up.
No legacy systems. No ML research theatre. Just real agents doing real financial work for real customers.
– Build AI agents that autonomously run end-to-end bookkeeping workflows for SMBs
– Own integrations with Ramp, Brex, Gusto — scoping through production, no handoffs
– Architect an accounting ledger from scratch — the core financial data infrastructure
– Ship daily in TypeScript/Next.js, full stack (60% frontend, 40% backend)
– Talk directly to test customers and partners you drive the product, not a spec doc
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You’ll fit if you’ve got:
→ 5+ years hands-on software engineering
→ Deep TypeScript/Next.js fluency across the full stack
→ Real experience building with LLMs/AI agents in production
→ Comfortable owning ambiguous problems with minimal direction
→ Ready for high-intensity, high-ownership founding-team pace
3 Stage interview process, with an optional paid work trial.
If “replacing an entire profession with autonomous AI” excites you, this is the one.
Reach out for more details.
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