Founding Product FullStack Engineer – AI Fintech (Remote - US Based)
Core
Build an AI-native financial system to modernize bookkeeping, reporting, and payroll for growing companies.
Role type
Founding Product FullStack Engineer (AI Fintech)
Builds
AI agents for invoicing, collections, payroll, reporting, and month-end close; full-stack SaaS platform.
Domain
Fintech / AI / B2B SaaS
Deliverable
production ML models | product features
Required skills
Full-stack development, AI agent development, LLM application development, API design, distributed workflows, financial domain knowledge, product sense, system architecture
Preferred skills
Experience with Model Context Protocol (MCP), fintech/accounting/payments background, early-stage startup product ownership, security/auditability in financial systems
Technologies
React, TypeScript, Python, FastAPI, PostgreSQL, QuickBooks, Plaid, Stripe
Responsibilities
Define product solutions with founders and finance teams; build full-stack solutions across frontend, backend, AI, and integrations; develop AI finance agents; architect infrastructure for permissions and audit trails; build integrations with banking and payment platforms; create intuitive user interfaces; ship to production and iterate based on feedback; establish engineering culture and standards.