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Founding Engineer

San Francisco, CA💼 Full-time🗓 2026-09-20 → 2026-09-25

Core

Build the core foundations of a global B2B payments platform from 0 to 1, serving 150+ countries.

Role type

Founding Full Stack Engineer (Payments Infrastructure)

Builds

Global payments platform, APIs, dashboards, and SDKs for B2B use cases

Domain

Fintech / Global Payments / B2B

Deliverable

production ML models | product features | infrastructure

Required skills

Full stack ownership, async and event-driven architecture, 0-to-1 product building, fintech/payments domain expertise, system design for complex ledgering, integration of banking/fintech services

Preferred skills

Next, TypeScript, C#, Golang, Python

Technologies

Next, TypeScript, C#, Golang, Python

Responsibilities

Architect and build products from scratch, lead and mentor engineers to establish engineering foundation, work directly with founders and customers to execute technical vision, own the full stack with zero downtime, design data architecture for complex ledgering systems, integrate on/off ramp providers and banking solutions

Seniority

Founding, hands-on IC with leadership

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