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Microsoft

# Principal Software Engineer

United States, Washington, Redmond Senior individual contributor Software Engineering 

Listed on Microsoft’s official careers site. Posted August 19, 2026. Check that it is still open and apply there.
[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556972133)

[OpenNash Jobs](https://jobs.opennash.com/) / [Microsoft](https://jobs.opennash.com/companies/microsoft/) / Principal Software Engineer

## Job description

Architect and implement scalable distributed systems foundational for Search & AI platform. Work closely with cross-functional teams (AI, infra, product) to translate research advances into production-grade systems. Architect, design, and implement high-performance solutions to enhance Search & AI platform. Technically lead the development and scaling of our distributed services, ensuring robustness, performance, and reliability.

Collaborate with various teams to transform user requirements into actionable designs and systems. Provide technical leadership and mentorship to engineering teams, fostering a culture of excellence and innovation. Engage in the full software development lifecycle from conception to deployment, ensuring solutions meet high standards of quality and performance.
- Stay abreast of industry trends and apply best practices in software development and new technologies to drive improvements
- 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
- Master's Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelor's Degree in Computer Science or related technical field AND 12+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. 3+ years of technical leadership experience of designing, coding, debugging and delivering large projects.

Hands on experience in indexing technology and end to end search stack Expertise in Approximate-nearest-neighbor search is a plus Expertise in performance optimization and system architecture, particularly within large-scale processing environments is plus. Proven track record in designing and deploying scalable, distributed systems. Effective collaborator and communicator.

## At a glance
- Posted by the employer: Aug 19, 2026
- First seen by OpenNash: Aug 21, 2026
- Last checked: Oct 18, 2026
- Listed for: 60 days
- Location: United States, Washington, Redmond[Apply on Microsoft’s careers site →](https://apply.careers.microsoft.com/careers/job/1970393556972133)

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