Fullstack Engineer (Frontend-oriented) | AI Video Systems | CDI | Paris

Company

This company develops advanced AI-powered video analysis solutions used by law enforcement agencies and public institutions to support investigations and enhance operational efficiency.

Its technology focuses on analyzing image and video streams at scale, within highly constrained and sensitive environments, with strong requirements around performance, reliability, and data sovereignty.

The team currently consists of ~20 people and is scaling rapidly.

Role

Looking for a Senior Fullstack Engineer (Frontend-oriented) to build products that turn AI video analysis into operational tools:

• Build fullstack features for real-time video monitoring and investigation platforms (React / FastAPI)

• Create intuitive interfaces for complex workflows (video playback, geospatial map views, live events)

• Develop backend services to ingest and serve edge pipeline data (PostgreSQL, vector search, MQTT)

• Ensure performance, reliability, and security for constrained, air-gapped, on-premise environments

• Collaborate closely with ML engineers to seamlessly integrate AI models into user experiences

• Master or Engineer Degree

• 5+ years of experience in fullstack development with a strong focus on Frontend, and a track record of shipping production-grade web applications.

• Frontend expertise in React and TypeScript

• Backend proficiency in Python (FastAPI or equivalent async frameworks)

• Knowledge of PostgreSQL at scale (schema design, query performance)

• Pragmatic approach to system design, REST APIs, and event-driven architectures

Experience in any of these sectors or topics would be highly valued:

• Tools incorporating video or real-time messaging

• Integration / productionization of AI/ML models

• Building AI-native tools

• Defense or Public Sector