Backend Ai Engineer: Cortex, Rag & Scalable Ai Infra

Quadrivia Ai
Madrid, Spain
7 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours

Tech stack

Application Programming Interfaces (APIs) Artificial Intelligence ARM Architecture Python (Programming Language) Backend Fastapi

Job description

Quadrivia AI is hiring for a backend-focused role responsible for building and operating Cortex, the core AI architecture behind Q. You’ll own architecture, APIs, reliability targets, and the services on top, including automated audits, patient simulators, and a robust retrieval layer.Ideal candidates have expert Python with FastAPI and production observability, experience with agent patterns, and prior startup exposure.#J-*****-Ljbffr

Requirements

Ideal candidates have expert Python with FastAPI and production observability, experience with agent patterns, and prior startup exposure. #J-*****-Ljbffr

Apply for this position

This job is hosted externally. Click below to view the full posting and apply.

Apply on www.buscojobs.com.es

Good distractions

Talks and stories from around this role — technically off-topic, practically not.

1:52 min

Structuring and scaling the backend engineering team

Stefan Lingler Stefan Lingler +1 · Coffee With Developers

3:33 min

Connecting frontends via a FastAPI proxy backend layer

Saoussen Chaabnia Saoussen Chaabnia · Europe 2026 Virtual

1:30 min

Arm architecture and growing compute requirements for machine learning

Andrew Wafaa Andrew Wafaa · WWC 2025

2:14 min

Exploring internal AI product initiatives and global engineering roles

Maria Apazoglou · Coffee With Developers

1:12 min

Choosing TypeScript for complex backend applications

Maximilian Otto Maximilian Otto · WWC 2024

2:37 min

Optimizing technical profiles for AI sourcing and recruitment

Mina Golesorkhi Mina Golesorkhi · WWC Europe 2026

Videos

See all

Related articles

See all