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Senior ML Engineer

Paris💼 Full-time🗓 2026-04-23 → 2026-08-01

Core

Design and architect backend services for real-time model inference and bidding decisions in an OpenRTB platform, optimizing advertising strategies and targeting.

Role type

Senior backend engineer specializing in real-time ML inference systems

Builds

High-performance, low-latency backend services for real-time bidding (RTB) and model inference

Domain

Mobile gaming advertising, real-time bidding, distributed systems

Deliverable

production ML models | product features | infrastructure

Required skills

Python, distributed systems, microservices, API design, Kubernetes, Docker, CI/CD, Terraform, observability (Prometheus, Grafana), A/B testing frameworks, performance tuning, cost optimization

Preferred skills

OpenRTB protocols, real-time data processing (Kafka, Pub/Sub), model serving frameworks (Triton, TorchServe, Ray Serve), data science workflows, open-source contributions

Technologies

Python, Kubernetes, Docker, Terraform, Prometheus, Grafana, Kafka, AWS, OpenRTB

Responsibilities

Lead design and architecture of backend services for real-time model inference; Collaborate with data scientists to deploy and optimize ML models for bidding strategies; Oversee development of A/B testing frameworks; Ensure high-performance, scalable backend services handling millions of events; Set best practices for architecture and distributed systems; Optimize performance and cost-efficiency of backend infrastructure; Monitor system performance and conduct post-deployment analysis

Seniority

Senior, hands-on IC

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