Backend Developer (Python / FastAPI)

## Backend Developer (Python / FastAPI)

Build scalable systems that form the core of an AI-driven marketing platform at Aizy.

### What you'll do

• Develop and maintain our backend in Python (FastAPI)
• Build a scalable multi-tenant SaaS architecture
• Design and optimize API endpoints for frontend and integrations
• Implement caching, session management and performance optimisations
• Integrate with AI systems for campaign and budget optimisation
• Work with large volumes of data and real-time processes
• Contribute to architecture, scalability and reliability decisions
• Actively contribute to the product roadmap and new features

### What we're looking for

• Strong experience with Python backend development (FastAPI or similar)
• Experience with scalable systems and SaaS architecture
• Understanding of API design, performance and dataflows
• Experience with caching, async processing or event-driven systems
• Ownership over technical decisions
• Interest in AI, data and product development
• Proactive and independent
• Team player who enjoys collaborating from our office in Breda

### What you get

• Salary commensurate with experience and impact
• Work on the core of an AI product
• Technical freedom and influence on architecture
• Direct impact on a platform used daily
• Plenty of space to build, test and improve
• Fast-growing scale-up with ambitious roadmap