Backend Engineer — Scalable Auth & AI Education APIs

Mouseion Professors Limited; Amsterdam; Hybrid; EUR 75,000 - 110,000; Full time

Job summary

Mouseion Professors Limited is building AI-powered teaching software. We seek a backend lead to own the services between product surfaces and infrastructure: auth, APIs, and the backend systems powering courses, documents, and AI workflows.

Odea is in classrooms; you will scale and harden these surfaces for reliability, ensure clean abstractions and contracts, and integrate with LMS, storage, and event delivery, working with Postgres and TypeScript tech.

Qualifications

• Experience building and operating critical backend services.
• Strong focus on reliability and scalable performance.
• Ability to define clean abstractions and clear contracts.
• Proven track record owning production services end-to-end.
• Experience with authentication/authorization systems.

Responsibilities

• Own auth, APIs, and backend services powering courses and documents.
• Scale Odea backend, ensuring correctness and performance as AI features grow.
• Build durable integrations with LMS and storage systems.
• Hardening user action to model response paths for reliability.
• Maintain clear service contracts to help other engineers reuse components.

Skills

Backend system design

APIs design & integration

Reliability engineering

OAuth/JWT security concepts

RBAC concepts

Tools

PostgreSQL

TypeScript

Job description

Mouseion Professors Limited is building AI-powered teaching software. We seek a backend lead to own the services between product surfaces and infrastructure: auth, APIs, and the backend systems powering courses, documents, and AI workflows.

Odea is in classrooms; you will scale and harden these surfaces for reliability, ensure clean abstractions and contracts, and integrate with LMS, storage, and event delivery, working with Postgres and TypeScript tech.