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Job Details
Posted date: Jan 15, 2026
There have been 43 jobs posted with the title of Senior Software Engineer (CoreAI) all time at Microsoft.There have been 43 Senior Software Engineer (CoreAI) jobs posted in the last month.
Category: Software Engineering
Location: Redmond, WA
Estimated salary: $188,900
Range: $119,800 - $258,000
Employment type: Full-Time
Work location type: 3 days / week in-office
Role: Individual Contributor
Description
OverviewAI is the strategic bet for Microsoft. The Azure AI Platform is right at the forefront of innovation. Our projects involve cutting edge technologies and problems. Joining these projects you will gain knowledge and experience about generative AI, large language models, large scale inference infrastructure, GPU optimization, AI applications, etc.
The Model Scaling Platform team within AI Platform is responsible for managing all the inferencing capacity that powers Microsoft’s AI ambitions. Our fleet running state-of-the-art Open AI models provides the foundation for Microsoft’s various Copilots and Azure Open AI Service. We manage a vast number of premium AI accelerators and aim to leverage them in the most agile and efficient manner. Our services and the products they power are experiencing incredible growth. As part of this team, you will have opportunities to work across team boundaries and tackle hard system problems which translate to business impact that directly affect Microsoft’s bottom line.
We are looking for a Principal Software Engineer to help build the next wave of capabilities for the inferencing platform. You will have the opportunity to work with a team of talented engineers in a fast-paced environment to lay the foundations for a new set of systems we are building. The successful candidate will possess technical prowess, be highly motivated, and have a methodological approach to problem solving.
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.
#AIPLATFORM# #MODELSCALING-MAAS#
Responsibilities
Design and develop large-scale distributed software services and solutions 
Collaborate across teams and discipline to understand requirements and translate into design and solution that stands the test of time
Evaluate and recommend new technologies, tools, and processes to improve the efficiency and effectiveness of the team.
Provide technical leadership and guidance to team members, ensuring best practices and high standards of software quality.
Provide support to online services by investigating and mitigating issues.
Qualifications
Required Qualifications:
Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR 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:
Proficiency in Agile development practices and Continuous Integration/Continuous Deployment (CI/CD)
Passion for machine learning, artificial intelligence, and data science.
Experience working on large-scale projects or applications.
Effective communication skills and ability to collaborate with diverse remote teams.
Quick learner with a passion for solving complex and exciting problems.
Familiarity with Azure is a plus.
Familiarity with large language model and generative AI is a plus.
Experience with distributed systems design and implementation.
Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 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 $158,400 - $258,000 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.
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