Senior Software Engineer, Python

We're looking for a Senior Software Engineer with focus on Python to join our Engineering team in Berlin. Build the largest AI-enabled fintech for healthcare by designing and maintaining our Python backend and contributing across our full stack.

What you'll do

• Build and maintain our Python backend using FastAPI, Pydantic, SQLModel/SQLAlchemy, and PostgreSQL (including pgvector), designing the APIs and data models that power the platform
• Contribute across the stack when needed, working with our TypeScript, React, Next.js, and Node.js applications
• Build AI-powered workflows using modern language models, orchestration frameworks, and evaluation tooling
• Take ownership from development to production by building, deploying, and operating services on AWS with infrastructure managed through Terraform
• Collaborate closely with product, design, and data to ship impactful, user-centric features
• Make a significant contribution to defining, maintaining and improving our architecture and best practices

What you'll need

• 5+ years of experience in software engineering
• Strong proficiency in Python, ideally with a modern web framework like FastAPI (or Django/Flask)
• Experience with data and API modeling (e.g., Pydantic, SQL/ORMs) and relational databases like PostgreSQL
• Experience with cloud platforms like AWS and infrastructure as code (Terraform a plus)
• Knowledge of software engineering best practices for the full development life cycle
• A pragmatic mindset and strong sense of ownership

Nice to have

• Hands-on experience building with LLMs / AI agents in production

What they offer

• BVG ticket or Swapfiets membership
• Urban Sports Club membership
• Flexible working hours and hybrid setup
• Up to 4 weeks of workation
• Dog-friendly office with snacks and drinks