Scale Labs, Research Scientist — Safety Post Training As the leading data and evaluation partner for frontier AI companies, Scale plays an integral role in…

…researchers with the technical depth to move the frontier in pretraining, reinforcement learning (RL) / post-training, or evals; and researchers with real depth in…

…Experience with reinforcement learning (RL) and post-training with LLMs, especially spoken LLMs. Excellent engineering skills in Python and deep learning frameworks (e.g…

…Comfortable collaborating cross-functionally with research scientists, data engineers, and robotics/autonomy teams to ship infrastructure used by others Bonus Qualifications Experience with robotics…

…Job Description What you'll do Own LLM mid-training and post-training research, including continued pretraining, SFT, preference optimization, and RL; make data…

…We are looking for AI research scientists, Applied scientists and roboticists excited about creating a powerful autonomy software stack that includes computer vision, motion…

…You May Be a Good Fit If You Have led AI/ML engagements/deployments, whether as a founder, data scientist, engineer, researcher, or in…

…Deep technical grounding across multiple areas of applied AI, including LLM post-training (RLHF, DPO, distillation), model routing and adaptation, agentic systems, code generation…

…tools - Conduct research on architecture design, robustness, safety, and language modality incorporation for our differentiable stack - Work closely with Research Scientists and interns on…

…training, data recipe, and their research. Have experience with synthetic data generation, data curation and cleaning, Prior training and RL, evaluation, or other post…

…Job responsibilities Work on multiple commercially oriented research projects in collaboration with internal data scientists, applied engineering teams and stakeholders across businesses e.g…

…You will partner directly with the research scientists and engineers who consume the data - working alongside technical program managers to define requirements, resolve capture…

…they are safe to ship in a customer-facing, safety-critical setting. Post-train and adapt open-source LLMs for SCC use cases using…

…training, evaluation, and deployment to help researchers move faster and tackle increasingly ambitious problems. About the Role We’re hiring research scientists, research engineers…

…The scientist will lead applied research in multi-sensor fusion, real-time signals, perception, multimodal reasoning, reinforcement learning, and action-conditioned planning, with a…

…Head of Safety Intelligence and Automation. What You'll Be Doing Lead and mentor a team of data analysts, scientists, and researchers who investigate…

…Our team works on reinforcement learning, dataset creation, evaluations, and other post-training methods. We partner closely with research and product teams across the…

…About the Role As a Research Engineer / Research Scientist on the Personalization-Memory team, your work will span memory architecture, post-training, and developing…

…Are passionate about advancing the state of post-training research; Have experience with reward modeling, RL, or other post-training techniques; Will thrive in…

…YOUR RESPONSIBILITIES As a Senior Research Scientist, you’ll design, implement, and deploy cutting-edge research in reinforcement learning and post-training at scale…

…Preferred Qualifications Experience with tool-using agents, retrieval, agent post-training, reward modeling, or trajectory evaluation. Experience in trust and safety, fraud, abuse, cybersecurity…

Advance secure identity and public safety AI through applied research in next-generation biometrics and defenses against emerging threats. Independently partners with engineering, product…

…Frontier AI labs currently improve model capabilities with various data-intensive post-training techniques. We believe that data spend for AI training will increase…

…post-training. Our work sits at the intersection of research, product, and model design. We partner closely with teams across OpenAI to conduct research…

…Ensure product decisions are grounded in evidence, including customer research, workflow observation, product telemetry, market analysis, implementation feedback, and outcome data. Identify product, data…