Senior Data Scientist - Real-Time TV Advertising (Paris)

United States Digital Space LLC; Paris (TX); Hybrid; USD 81,000 - 127,000; Full time

Benefits offered by this job

Equity — Employee Stock Ownership Plan

Variable pay

Hybrid flexibility

Health insurance

Meal vouchers

Annual offsite

Tech Syncs

Job summary

the company.co in Paris is seeking a Senior ML Engineer to join the Performance team. You will own the prediction stack, design shared representations, and take ideas from exploration to production that drive advertiser outcomes.

You’ll work with real-world purchase and behavioral data, shipping models that show measurable advertiser uplift, and collaborating with Performance engineers on serving and bidding infrastructure.

Qualifications

• Hands-on deep learning experience shipped in a professional environment.
• Strong Python skills, with PyTorch preferred (TensorFlow or JAX also fine).
• Experience diagnosing model failures, including data leakage, bias, calibration, and distribution shift.

Responsibilities

• Own the Prediction Stack.
• Design shared representations so models learn across sparse conversion funnels.
• Take ideas from exploration to production, covering dataset design, architecture, training, and deployment.
• Debug production models for gradient issues, convergence failures, drift, and regression.
• Partner with Performance engineers building the serving and bidding infrastructure.
• Build the Data Foundation with features from raw signals and identity graphs.
• Prepare the modeling stack to absorb new, richer data sources.
• Drive business impact by optimizing for measurable advertiser uplift and production deployment.

Skills

Python

PyTorch

Deep learning

Model debugging

Production ML

Data analysis

Tools

Dagster

ONNX

Triton

Job description

the company.co in Paris is seeking a Senior ML Engineer to join the Performance team. You will own the prediction stack, design shared representations, and take ideas from exploration to production that drive advertiser outcomes.

You’ll work with real-world purchase and behavioral data, shipping models that show measurable advertiser uplift, and collaborating with Performance engineers on serving and bidding infrastructure.