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The Microsoft AI Superintelligence (MAIST) Post Training team is dedicated to advancing post-training methods for both OpenAI and open-source models. Their work encompasses continual pre-training, large-scale deep reinforcement learning running on extensive GPU resources, and significant efforts to curate and synthesize training data. In addition, the team employs various fine-tuning approaches to support both research and product development. The team also develops advanced AI technologies that integrate language and multi-modality for a range of Microsoft products. The team is particularly active in developing code-specific models, including those used in Github Copilot and Visual Studio Code, such as code completion model and the software engineering (SWE) agent models. The team has also produced publications as by-products, including work such as LoRA, DeBerTa, Oscar, Rho-1, Florence, and the open-source Phi models.
Job Responsibility:
Design & Evaluate Datasets – Build high-quality datasets and benchmarks for training AI models
run ablation studies to measure impact and optimize data effectiveness
Advance Model Training – Apply deep expertise in pre-training, post-training, and reinforcement learning (RL) for both language and multimodal models
Develop Data Infrastructure – Create and maintain scalable pipelines for ingestion, preprocessing, filtering, and annotation of large, complex datasets
Data Quality & Analysis – Assess real-world multimodal datasets (text, image, video, audio, code) for quality, diversity, and relevance
identify gaps and propose improvements
Tooling & Workflows – Build lightweight tools for dataset auditing, visualization, and versioning to streamline experimentation
Research & Innovation – Collaborate with cross-functional teams to push research and product boundaries, delivering models that make a real-world impact
Embody our Culture and Values
Requirements:
Master's Degree in relevant field AND 1+ year(s) related research experience OR equivalent experience
Ability to meet Microsoft, customer and/or government security screening requirements