Principal Software Development Engineer

Microsoft

Redmond, WA Full-time 3/31/2026 $139,900 - $304,200 a year

Undergraduate with 5+ Years of Experience

Approval 98.4%•Total filings 6,363•New hires 3,142•

👑 Elite Sponsor

•FY 2025

Job Description

Microsoft Surface Devices is seeking a Principal Software Engineer with expertise in embedded firmware to lead a team in developing and delivering high-quality firmware for Windows-based devices. The role involves collaboration with hardware and software engineers, focusing on system design and firmware implementation to ensure device stability and security.

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
5+ years of experience in software and/or hardware product development
5+ years’ experience working with hardware devices and debugging
Experience with the Rust programming language and associated design patterns
Familiarity with embedded Rust development and writing firmware for MCU-based designs
An understanding of cryptographic algorithms, security protocols, and encryption techniques
A deep understanding of software lifecycle in a device development environment and the interplay between software and hardware development and schedules
Experience in a technical leadership role, managing and mentoring a team of engineers while driving delivery of a shipped product

Responsibilities

Design, implement, test and support systems-level firmware on modern Windows-based devices and accessories
Lead a diverse team of firmware and system engineers through the Software Development Life cycle to ship hardware products
Drive performance, stability and feature enhancements for the device level experiences aligned with Windows and Devices roadmaps
Collaborate with teams across Microsoft and the Windows Ecosystem to bring up new hardware designs

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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