About this role
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
- Improve testing, performance, and system security
- Collaborate with product, frontend and fellow engineers
- Contribute to architecture, deployment pipelines and monitoring Job Requirements
- 5+ years of backend experience, preferably 3+ in a SaaS or product environment
- Proficient in Python and familiar with modern API frameworks (FastAPI, Flask)
- Hands-on experience with Redis, Docker, GitHub Actions or equivalent tools
- Exposure to LLMs or AI integrations (or interest in working with them)
- Broad technical knowledge across architecture, CI/CD, security and testing
- Fluent in English; Dutch is a plus
- Must be living in the Netherlands with valid EU work authorization Terms of Employment
- Monthly salary: €5500 - €9000 gross + 8% holiday allowance
- Equity via stock plan
- MacBook Pro and home office setup budget
- 25 vacation days + 2 additional personal days
- Hybrid work model (office-first with flexibility)
- Dail...