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…