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Principal Software Engineer

Job in Redmond, King County, Washington, 98073, USA
Listing for: Microsoft Corporation
Part Time position
Listed on 2026-10-17
Job specializations:
  • Software Development
    Software Engineer, Software Architect
Job Description & How to Apply Below
** Overview*
* Shape the way the M365 measures and drives the feedback loop for its AI offerings!  

On the M365 Evaluation Platform Team, you'll have a front-row seat to how AI impacts millions of users. You'll help steer one of Microsoft's most important efforts forward, taking our evaluation system to the next level for our builders and partners.

Our goal is to accelerate learning by making sure all the user journeys of an eval system (fine tuning a model, launching a new feature or experiment, adding metrics, onboarding a new 1P or 3P partner, understanding user feedback, creating query sets, etc.) are supported by friendly, agile, reliable, scalable and well documented tools.

In this role you will build capabilities that:  

+ Enable builders to be more agile, running more evaluations and faster.  

+ Provide a continuous set of tools and evaluation capabilities throughout the development lifecycle.  

+ Automate tasks via tools or agents to help us understand our performance better.

This position is based in Redmond, Washington and requires the employee be in the office a minimum of 3 days per week.

Microsoft's mission is to empower every person and every organization on the planet to achieve more. As employees we come together with a growth mindset, innovate to empower others, and collaborate to realize our shared goals. Each day we build on our values of respect, integrity, and accountability to create a culture of inclusion where everyone can thrive at work and beyond.

** Responsibilities*
* + Partner with appropriate stakeholders to determine user requirements for our evaluation scenarios

+ Provide technical leadership for the identification of dependencies and the development of design documents for a product, application, service, or platform.

+ Lead by example and mentor others to produce extensible and maintainable code used across the company.

+ Leverage deep subject-matter expertise of cross-product features with appropriate stakeholders (e.g., project managers) to lead multiple product's project plans, release plans, and work items.

+ Hold accountability as a Designated Responsible Individual (DRI), mentoring engineers across products/solutions, working on-call to monitor system/product/service for degradation, downtime, or interruptions.

+ Proactively seek new knowledge and adapt to new trends, technical solutions, and patterns that will improve the availability, reliability, efficiency, observability, and performance of products while also driving consistency in monitoring and operations at scale and share knowledge with other engineers.

** Qualifications*
* *
* Required Qualifications:

*
* + Bachelor'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 equivalent experience.

*
* Preferred Qualifications:

*
* + Master'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 Bachelor's Degree in Computer Science or related technical field AND 15+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python

+ OR equivalent experience.

+ 5+ years of experience owning and delivering large-scale projects involving multiple engineers.

+ Experience building systems to evaluate and drive quality in a product and using data to drive engineering decisions.

+ A passion for building reliable, scalable infrastructure and making your users successful.

+ Comfortable at operating in a dynamic environment; takes initiative to bring clarity and…
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