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Rol IA · Oferta abierta

Senior ML Engineer — ad ranking

Criteo

Indefinido (CDI)
Tiempo completo
Senior
Commerce ML
Hybrid
32 Rue Pasteur, 69007 Lyon, France · Hybrid
EUR 65k–90k/year + BSPCE

Este anuncio está pensado para talento nativo en IA: habilidades y herramientas claras para saber si encajas antes de aplicar — y para reducir descartes por desajuste.

4 habilidades2 herramientas

Aplicar ahora Buscar talento afín

Compartir este rol

De un vistazo

Cómo trabajarás, dónde y fechas clave del anuncio.

Empleo: Indefinido (CDI), Tiempo completo
Modalidad: Hybrid
Ubicación: 32 Rue Pasteur, 69007 Lyon, France · Hybrid
Compensación: EUR 65k–90k/year + BSPCE
Nivel de experiencia: Senior
Equipo: Commerce ML
Beneficios: BSPCE, hybrid Lyon 7e, télétravail.
Cómo aplicar: Real-time bidding, conversion models, or creative optimization.
Web de la empresa: www.criteo.com
Publicada: 5 jul 2026
Actualizada: 3 ago 2026

Sobre el rol

Qué busca el equipo y cómo encaja el puesto.

Criteo is hiring a Senior Senior ML Engineer — ad ranking on the Commerce ML team (Hybrid · Lyon, France). This is a hands-on role in search & recommendations—not a generic “AI enthusiast” post.

You will own ranking, retrieval, and online experimentation end to end: problem framing, offline evaluation, safe rollout, and iteration from production signals. Success is measured with clear metrics (quality, latency, cost, or business KPIs)—not slide decks alone.

Criteo powers commerce media and retail advertising — real-time bidding and personalization from Lyon engineering hub.

Senior ML Engineer (hybrid Lyon 7e): conversion models, creative optimization, and auction intelligence.

About Criteo

Global ad-tech leader with strong French engineering roots.
Lyon office hosts ML teams serving retailer partnerships.
Billions of daily predictions with strict latency budgets.

What you will do

Improve CTR/CVR models with causal and uplift methods.
Optimize feature pipelines for sub-10ms scoring.
Run holdout experiments tied to advertiser ROI.

Stack & environment

Python, PyTorch, Spark, Kafka, Kubernetes.
Hybrid Lyon; French and English.

What we look for

5+ years ML in ads, recommendations, or marketplaces.
Eligible to work in France.

Habilidades que buscamos

Qué implica cada capacidad en este rol — no solo una lista de palabras clave.

Python
Production Python for data pipelines, model code, APIs, and automated tests—not notebook-only workflows.
PyTorch
Training and inference with PyTorch: reproducible experiments, checkpointing, and deployment-minded exports.
SQL
Analytical SQL for features, cohorts, label quality, and experiment analysis at scale.
Spark
Distributed feature generation and batch scoring on large tabular or event datasets.

Herramientas y stack

Plataformas y productos mencionados para este rol (APIs, IDEs, BBDD vectoriales, CRM, diseño, etc.).

KubernetesTool
Deploying and scaling model services with health checks, autoscaling, and rollout discipline.
KafkaTool
Streaming features or scores with ordering, idempotency, and monitoring for real-time systems.

Encajas muy bien si…

Adaptado a esta oferta — úsalo para comprobar tu encaje antes de aplicar.

You can show evidence in your application: Real-time bidding, conversion models, or creative optimization.
Several of these show up in recent shipped work—not only on your CV: Python, PyTorch, SQL, Spark, and Kubernetes.
You have owned ranking, retrieval, and online experimentation in production: debugging live issues, running postmortems, and iterating from real user or business signals.
You are comfortable with the hybrid rhythm (Hybrid · Lyon, France)—onsite collaboration when it matters, deep work when remote.
You explain trade-offs (quality, cost, latency, safety) in plain language—with numbers or examples, not buzzwords.
You read the full listing (comp: EUR 65k–90k/year + BSPCE, benefits in At a glance) and your expectations align.

Aplicar

Solo cuentas candidato: añade tu titular y bio en Mi cuenta, y opcionalmente un enlace o PDF de CV para que los reclutadores vean tu CV completo. Luego escribe un breve pitch — las candidaturas usan el correo de tu cuenta.

Lo que pide la empresa

Real-time bidding, conversion models, or creative optimization.

Inicia sesión con cuenta candidato para aplicar

Regístrate, añade titular y bio; luego podrás adjuntar enlace o PDF de CV en Mi cuenta antes de aplicar. Así las candidaturas quedan ligadas a tu perfil.

Iniciar sesión Crear cuenta candidato

Sugerencias

Talento IA que podría interesarte

Perfiles ordenados por solape con habilidades y herramientas de este rol — útil si contratas equipo o comparas candidatos.

Aún no hay coincidencias cercanas en el directorio — prueba Buscar talento con tus filtros.

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