Sr Engineer (Backend & Platform focus) - Python - Real AI use case with massive impact - Greenf[...]

Role description

Join a small, technically strong team building the core platform for a complex, data‑intensive software product. A solid AI usecase that is solving a real problem with massive impact that everyone can relate to. This is an early stage engineering role with equity that reflects this.

Together with your team you will build a multi‑cloud platform levering mostly Python/FastAPI, Azure/GCP, Terraform, Kubernetes, etc. The team heavily uses AI agents and other tooling to move efficiently at pace, while maintaining a strong focus on system quality and maintainability.

What You’ll Do

• Backend architecture for a distributed systems
• Build backend services using Python, FastAPI, and relational databases
• Design APIs, background processing, and job orchestration
• Implement secure and scalable data flows

Infrastructure & Deployment

• Build systems that run across multiple environments (Azure/GCP and private setups)
• Ensure logical separation between customer environments
• Design identity, networking, and service integrations
• Maintain Infrastructure‑as‑Code using Terraform or similar tools

Security & Integrations

• Design systems with security and compliance in mind
• Build secure APIs and external integrations
• Implement authentication and authorization mechanisms
• Work closely with Founders, engineers and product stakeholders
• Participate in architectural discussions and technical decision‑making
• Collaborate with client technical teams when relevant

Who You Are

Technical

• Strong understanding of distributed systems and backend architecture
• Proficient in Python backend development with FastApi
• Experience with cloud infrastructure (Mainly Azure/GCP) and containerized systems
• Familiar with CI/CD pipelines and Infrastructure‑as‑Code (Terraform)
• Comfortable operating and evolving systems in production

Professional

• Strong ownership mindset
• Enjoys technical problem‑solving and thoughtful debate
• Comfortable working in small, high‑responsibility teams

Compensation & Practicalities

• Competitive compensation with solid equity that matches an early stage, high impact position
• Hybrid work setup with regular in‑office collaboration along the Amsterdam canals