Founding Product Engineer
Core
Founding-level engineer owning end-to-end product modules for an AI-driven B2B SaaS pricing and monetization platform.
Role type
Founding Product Engineer (hands-on IC)
Builds
AI-driven pricing, monetization, and billing features for B2B SaaS customers
Domain
B2B SaaS, AI/LLM agents, Financial/Pricing
Deliverable
production ML models | product features
Required skills
Full-stack engineering, Backend (FastAPI, Python, MongoDB), Frontend (React, TypeScript), AI/LLM agent integration, MCP-style server development, Financial logic design, API versioning, Typed data modeling (Pydantic)
Preferred skills
B2B SaaS monetization concepts, Billing/metering/CPQ systems, Data-dense frontend, Conversational interfaces, Early-stage startup experience
Technologies
FastAPI, Python, MongoDB, React, TypeScript, Pydantic, MCP
Responsibilities
Scope, design, and build whole product modules independently; Design and evolve architecture for agentic AI systems; Move pricing logic to backend services; Extend typed pricing ontology; Lead architectural reviews; Establish testing and observability practices; Mentor peers and influence product strategy
Seniority
Founding, hands-on IC with mentorship