JobsPrincipal Software Engineer
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Principal Software Engineer

Microsoft

Location

USA (Multiple Locations)

Type

Full-time

Posted

5/21/2026

Compensation

$142,800 - $304,200 per year

Undergraduate with 5+ Years of Experience
Approval 98.4%·Filings 6,363·New hires 3,142·
👑 Elite Sponsor
·FY 2025

Job description

The Artificial Intelligence (AI) Frameworks team at Microsoft focuses on developing AI software for training and deploying advanced AI models. This technical role involves hands-on software design and development, requiring collaboration with ML researchers and engineers. The team aims to optimize and scale model training and inference on novel AI hardware. Candidates will work on core algorithmic and hardware technologies to support large-scale AI systems.

Requirements

  • Bachelor's Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
  • Ability to meet Microsoft, customer and/or government security screening requirements.

Responsibilities

  • Collaborate broadly with ML researchers, system engineers, and production engineers.
  • Engage with key partners to understand and evaluate performance and quality for state-of-the-art LLMs at different scales.
  • Build software tools to support validation and exploration of LLM optimization technologies.
  • Perform software development in model scripting and/or kernel languages, such as Python, C/C++, CUDA.
  • Identify requirements, scope solutions, estimate work, and schedule deliverables.

Benefits

  • Employees at Microsoft are often offered comprehensive, “world-class” benefits—including health and mental-wellness programs, competitive pay with bonuses and stock awards, and retirement/savings options. Time-off and flexibility are common, with generous vacation and holidays, parental and caregiver leave, and flexible work schedules, alongside learning support, employee resource groups, product discounts, and matching-gifts/volunteering programs. Specific benefits can vary by region.

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