Senior Software Engineer

NL Senior Software Engineer (Python) - Build Scalable AI Platforms StartUp Amsterdam Vast 110k Build the backend of a fast-growing VC-backed SaaS platform. As a Python Backend Developer, you'll design scalable APIs, integrate LLM workflows, and power real-time infrastructure - all in a lean, product-focused engineering team. Bedrijfsprofiel Our client is a VC-backed SaaS scale-up based in the Netherlands. Their platform combines AI, automation, and workflow orchestration to support smarter decision-making across Europe. The tech team is compact and works fully in-house, with full ownership over architecture and product direction. The engineering culture is fast, pragmatic and collaborative. Work setup is hybrid: typically 2 days per week in-office (Randstad region). Job Description - Build and maintain scalable backends using Python (FastAPI or Flask) - Design APIs that power AI workflows and modular decision logic - Work with Redis and WebSockets to support real-time features - Improv…