Senior Full Stack Engineer

Updated in October 2026

Target start date: March 1, 2027

Compensation: 70,000 to 85,000 EUR yearly gross, depending on profile

Location: Either in-office in Paris (Grands Boulevards, 75002) or full remote on Paris timezone

About Upflow

Upflow is the Financial Relationship Management (FRM) platform that helps B2B finance teams collect smarter and get paid by their customers faster, with AI agents working alongside the team.

Today, the order-to-cash process is mission critical for businesses, yet it remains fragmented across tools, teams, and workflows. Upflow brings this entire process into one system — four products covering the cycle from invoice to cash (Insights, Collections, Payments, and Cash Application), with AI agents that work alongside the team and a shared intelligence layer underneath.

We serve 500+ companies across 30+ countries, including Vercel, Lattice, and Productboard, and are backed by lea