Principal ML Researcher: Remote Post-Training & RL Lead

Toloka AI is seeking a Principal ML Researcher to define the overarching technical vision and architecture for its core ML stack, bridging frontier AI research and platform engineering. You will lead multi-quarter strategy, mentor senior researchers, and collaborate with leadership to drive scalable, cost-aware ML solutions for real-world annotation workloads. We offer a full remote or hybrid model, competitive compensation, ESOP, and IT setup allowances. J-18808-Ljbffr