Data Engineer | AI Data Platform

Location: Mountain View, New York City, or Redmond, United States

Salary: USD $142,800–$274,800 per year for IC5 roles across the U.S.; USD $165,600–$296,400 per year for IC6 roles. San Francisco Bay Area and New York City ranges may differ.

Company

Microsoft AI develops large-scale artificial intelligence systems and the data infrastructure required to train frontier models.

What you will do

• Build AI data infrastructure, data engines, and intelligent multimodal data processing systems.
• Develop AI-native data pipelines, storage systems, and table layers.
• Support datasets spanning text, image, video, and audio modalities.
• Drive the data, model, and evaluation iteration loop through targeted data improvements.
• Partner closely with model and training teams.

Requirements

• Master’s degree in computer science, mathematics, software engineering, computer engineering, or a related field with 4+ years of relevant experience; or bachelor’s degree with 6+ years of experience; equivalent experience is also accepted.
• Experience with distributed data platforms such as Spark, Flink, or Ray.
• Proficiency in Python and experience with SQL and Shell.
• Experience working with multimodal data, including text, image, video, or audio.
• Role locations are in the United States: Mountain View, New York City, or Redmond.

Nice to have

• Experience building datasets for LLM, VLM, or multimodal model pre-training or post-training.
• Experience with synthetic data generation, including text, image-text, rendering, diffusion-based, or multimodal trajectory generation.
• Familiarity with MMLU, MMBench, MM-BrowseComp, and evaluation-driven failure analysis.
• Experience with Lance, Iceberg, Paimon, or Parquet, including schema evolution, versioning, transactions, indexing, and performance optimization.

Culture & Benefits

• Work on large-scale AI data infrastructure supporting frontier model development.
• Close collaboration with model and training teams.
• Benefits and other compensation may be available depending on role eligibility.
• Applications are accepted on an ongoing basis until the position is filled.