Senior Applied Scientists and Principal Applied Scientists (Multiple Positions) - Copilot Tuning | Microsoft Careers

Microsoft

Actively hiring
US Posted 157 days ago $119,800–$234,700 / year
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At a glance

AI generated

TL;DR

Join our small, agile team at M365 Copilot as a Senior or Principal Applied Scientist to fine-tune large language models on tenant data for task-specific agents and solutions. You will write and execute training pipelines for LLMs post-training, design experiments to demonstrate the effectiveness of these models, and implement inference solutions that meet product specifications. Your role involves documenting your work and communicating results across teams while mentoring junior members. Ideal candidates have a strong background in language model training, data pipelines, and shipping high-quality models, with experience using Python and frameworks like PyTorch. You should also possess 2+ years of experience fine-tuning AI/ML models, particularly LLMs, and building generative AI pipelines such as RAG systems.

Skills

Python PyTorch RAG AWS Kubernetes Docker CI/CD Git PostgreSQL MLOps

What you'll do

  • Write and execute training pipelines for large language models post-training.
  • Design experiments to demonstrate the effectiveness of LLM-based solutions.
  • Implement inference solutions using post-trained models according to product specifications.
  • Document experimental results and communicate findings across the team.
  • Mentor early-career team members in model development and experimentation.

What we're looking for

  • Strong background in training and fine-tuning large language models.
  • Extensive experience with Python and ML frameworks like PyTorch.
  • Proven track record of creating publications or patents in AI/ML.
  • Experience presenting at industry conferences as an invited speaker.
  • Expertise in building generative AI pipelines, such as RAG systems.

Market check

Salary context

This $119,800–$234,700 range sits above 65% of similar postings on FindRole.

Peer median band

$117,000–$234,000

Median floor and ceiling across peers.

Typical midpoint (25–75%)

$142,400–$207,350

Middle half of comparable postings.

Based on 240 comparable postings.

* 240 is the maximum number of comparable postings sampled.

Employer

About Microsoft

Microsoft Corporation is a global technology leader producing software, hardware, and cloud services including Windows, Office 365, Azure cloud platform, Xbox gaming, and Surface devices. Industry: Software & Cloud Computing

Microsoft currently has 451 open roles on FindRole.

Listed pay typically runs $119,800–$234,700 across 417 roles with salary data.

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