ML Infra Engineer — Hybrid Paris w/ Equity & L&D

Npv; Paris; Hybride; EUR 120 000 - 190 000; Plein temps

Avantages offerts par ce poste

Competitive salary + equity

Hybrid work from Paris with relocation

Top-tier medical insurance in France

L&D budget and hardware/tools coverage

Team off-sites twice a year

Résumé du poste

White Circle, an AI safety company, is hiring a ML Infrastructure Engineer to design and operate scalable RL and post‑training pipelines. You will build data control systems for rollouts, replay, evaluation, and policy updates, and tune training and inference end‑to‑end for throughput across GPUs, networking, and storage.

Expect work on experiment tooling, dashboards, and cost visibility. You will relocate to Paris on a hybrid basis and contribute to agent infrastructure, runtime sandboxes, and

Responsabilités

• Build scalable RL and post-training pipelines, including smoke tuning runs for quality testing and ablations.
• Design data control systems for rollouts, replay, filtering, evaluation, and policy updates.
• Tune training and inference end‑to‑end for throughput: networking, memory, scheduling, data loading, storage, checkpointing.
• Build infrastructure for model iteration (experiment runs, artifacts, evals, dashboards, reproducibility, cost visibility) and inference infrastructure for post-training and eval loops.
• Build agentic development environments: coding-agent harnesses, tool integrations, runtime sandboxes, multi-agent orchestration.

Description du poste

White Circle, an AI safety company, is hiring a ML Infrastructure Engineer to design and operate scalable RL and post‑training pipelines. You will build data control systems for rollouts, replay, evaluation, and policy updates, and tune training and inference end‑to‑end for throughput across GPUs, networking, and storage.

Expect work on experiment tooling, dashboards, and cost visibility. You will relocate to Paris on a hybrid basis and contribute to agent infrastructure, runtime sandboxes, and