Toloka AI is hiring a Principal ML Researcher to set the technical vision for Toloka's core ML and post-training stack. You will bridge frontier AI research with platform engineering, mentor senior engineers, and shape scalable evaluation ecosystems for large language models. You will lead greenfield RL and post-training initiatives, design robust architectures for evaluation, distillation, and inference, and collaborate with product and leadership to translate client challenges into platform
📌 Remote Principal ML Researcher — Post-Training AI Architect (Aragón)
🏢 Toloka
📍 Aragón