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Job Details
Posted date: Mar 26, 2026
There have been 2707 jobs posted with the title of Principal Software Engineer all time at Microsoft.There have been 2707 Principal Software Engineer jobs posted in the last month.
Category: Software Engineering
Location: Redmond, WA
Estimated salary: $247,100
Range: $163,000 - $331,200
Employment type: Full-Time
Work location type: 4 days / week in-office
Role: Individual Contributor
Description
OverviewWe are looking for a strong Principal Software Engineer who is passionate about big data and building large scale services to taken on massive data and cater to cater to increasing use cases at lower latency. You will be part of a very strong and fun group building very large-scale data infrastructure, developing advanced and practical data mining, machine learning, statistics, and measurement techniques solving the hottest and most challenging problems in the world to real impact. Here, you have the right environment and strong support to drive your passionate features into solution. You are empowered to influence millions of end users while impacting huge businesses like Office, Bing and others. You will have opportunities to work together with world class developers and researchers to stay in the forefront of advancing technologies, such as big data, data mining, data processing platform, metrics, BI, machine learning, online experimentation, statistics, cloud computing, search, and ads.
Our team does Click Prediction, Automated Ad Copy generation, Ranking and Pricing of Ads which are some of the most fundamental problems in Search Advertisement. Probability of being clicked is the most important feature used in Ranking of Ads. Ads Generation and Ranking are at the forefront of advancements in artificial intelligence and big data within computer science, presenting complex and compelling challenges.
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.
Starting January 26, 2026, Microsoft AI (MAI) employees who live within a 50- mile commute of a designated Microsoft office in the U.S. or 25-mile commute of a non-U.S., country-specific location are expected to work from the office at least four days per week. This expectation is subject to local law and may vary by jurisdiction.
Responsibilities
In this role, you would be working on solving ambiguous problems, designing and developing services with high reliability, 24x7 availability.You would spend significant amount of time working with big data technologies like Azure Data Lake, COSMOS, and at the same time would be creating high-availability services based on new and upcoming streaming solutions in this area.This role is a great fit for people with passion for working with short release cycles and delivering quality software including architecture, design, development, test, ship and support the software.This role would require collaborating with multiple teams within Ads Marketplace, Ads Platform, Ads Data platform, Search Platform.
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 PythonOR equivalent experience.Other Requirements:
Ability to meet Microsoft, customer and/or government security screening requirements are required for this role. These requirements include but are not limited to the following specialized security screenings:
Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.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 PythonOR 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 PythonOR equivalent experience.Ability to achieve mutually satisfying agreements in negotiations with others by listening to their objective.Proven technical leadership for the identification of dependencies and incorporating them into the development of design documents for a product, application, service or platform. Lead the active identification of other teams and technologies to leverage, how they interact, and where their own system or team can support other.Proven record of accomplishment of delivering on commitments under tight schedule.Strong algorithm and analytical background and very good understanding on how to apply advanced knowledge to solve real problems.Ability to anticipate, mitigate, and resolve issues on a recurring basis, in a large-scale, distributed cloud environment.Multi year experience in stream computing, large scale inferencing and training service, big data services (ADLS, Cosmos) is a plus.BingAds#MicrosoftAI
Software Engineering IC6 - The typical base pay range for this role across the U.S. is USD $163,000 - $296,400 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $220,800 - $331,200 per year.
Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:
https://careers.microsoft.com/us/en/us-corporate-pay
This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.
Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations.