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Job Details
Posted date: Jan 22, 2026
There have been 237 jobs posted with the title of Senior Applied Scientist all time at Microsoft.There have been 237 Senior Applied Scientist jobs posted in the last month.
Category: Applied Sciences
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
OverviewMicrosoft Teams is the hub for teamwork that integrates all the people, content, and tools your team needs to be more engaged and effective. It is core to Microsoft’s modern work, modern life & modern education value prop. We are reinventing the way people communicate and work together across the globe. We own the infrastructure that enables complex orchestration of Copilot workflows to put powerful artificial intelligence (AI) capabilities at the user’s fingertips.
AI is now going through a transformational change with the advent for Large Language models (LLMs). We are seeking a Senior Applied Scientist with experience in working with LLMs who has designed scalable systems using LLMs. As a Senior Applied Scientist, you will design and build systems that allow LLMs to reason over large amounts of data as well as leveraging lighter weight models in place for specific scenarios. We are looking for an individual who has the capability of working with research teams and partnering with them to deliver joint solutions. This can range from working together to build fine-tuned models to coming up with ways to build custom LLMs for specific product needs.
We are excited to hear from candidates who are passionate about making an impact on how people interact with their computers and who are eager about the opportunity to be at the forefront of growing new business for Microsoft. This is a rare chance to be part of cutting-edge technology that is poised to revolutionize productivity and innovation.
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
Defining, leading, and helping to conduct research projects that simultaneously advance the state-of-the-art and directly benefit Microsoft’s core productivity products. Conduct science experiments, create and validate metrics, develop machine learning (ML) pipeline and modeling algorithm in the area of Large Language Models, Natural Language Processing, Information Retrieval, and Machine Learning. Develop and deploy conversational and language understanding models at scale. Following and advancing best practices for Responsible AI and Privacy Preserving Machine Learning. Collaborate closely with Microsoft Research, Microsoft AI groups, Microsoft Azure, AI platform teams, and product teams to create the next generation of AI innovation in our products and services. Embody our culture and values.
Qualifications
Required Qualifications:
Bachelor’s degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 4+ years technical engineering experience designing, building, running services at large scale and developing algorithms in languages including, but not limited to, C#, C++, Java, JavaScript, or Python. OR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years technical engineering experience designing, building, running services at large scale and developing algorithms in languages including, but not limited to, C#, C++, Java, JavaScript, or Python. OR Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 1+ year(s) technical engineering experience designing, building, running services at large scale and developing algorithms in languages including, but not limited to, 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:
Doctorate in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 3+ years technical engineering experience designing, building, running services at large scale and developing algorithms in languages including, but not limited to, C#, C++, Java, JavaScript, or PythonOR Master's Degree in Statistics, Econometrics, Computer Science, Electrical or Computer Engineering, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research) OR equivalent experience.3+ years of experience in machine learning.2+ years of experience with design, implementation, debugging and testing of complex distributed services. 2+ years of experience working on Machine Learning models specifically with Natural language-based models, vector databases and graph databases.3+ years using ML tools like Pytorch and TensorFlow.Practical experience developing applications using prompt engineering, fine tuning, Open AI or Azure Open AI APIs. System development skills, with a long-range system view that leverages development ranging from rapid research prototypes to carefully architected complex systems.
Applied Sciences 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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