ML Engineer – RL

Datadog in Paris is seeking a senior ML/ RL infrastructure engineer to design and operate large-scale training and inference systems, create multimodal data pipelines, and develop simulation environments for agent training.You will work with Research Scientists, Product, and Engineering to turn prototypes into reliable services, optimize performance and...

White Circle, an AI Safety company, is hiring a ML Infrastructure Engineer to design and run distributed RL and post-training systems in production. The role focuses on scalable pipelines, data control for rollouts and policy updates, and end-to-end tuning for throughput and reliability.You will build infrastructure for model iteration, evaluation,...

Jobtailor is seeking an experienced ML Engineer to translate real customer requirements into reliable training and deployment workflows, spanning model adaptation, post-training evaluation, data pipelines, and infrastructure.You will build and improve post-training and evaluation workflows for CPT, SFT, RL, and distillation, develop tools for synthetic data...

We're looking for an ML Infrastructure Engineer to join White Circle, an AI Safety company building the policy enforcement and optimization layer for AI systems. Backed by $11M from senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, and DeepMind, White Circle processes 100M+ API calls monthly and runs its own LLMs in production.You willBuild scalable...

We're looking for ML Engineers to join White Circle, an AI Safety company building the policy enforcement and optimization layer for AI systems. Backed by $11M from senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, and DeepMind, White Circle processes 100M+ API calls monthly and runs its own LLMs in production.You willTurn petabytes of unstructured...

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms. We are...

Blue Yonder is seeking an ambitious ML Engineer in Paris to help build training, evaluation, and tooling systems for AI-powered decision-making in supply chain. The role centers on LLMs, agent environments, and reinforcement learning, with emphasis on robust evaluation and data pipelines.You will design experiments, ship production code, and shape how LLMs...

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector, co-creating customized AI systems that they can run on their terms. We are...

Jobtailor is seeking an experienced ML Engineer to translate real customer requirements into reliable training and deployment workflows, spanning model adaptation, post-training evaluation, data pipelines, and infrastructure.You will build and improve post-training and evaluation workflows for CPT, SFT, RL, and distillation, develop tools for synthetic data...