Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Principal Applied Scientist - CoreAI

$139.9k - $274.8k

Microsoft Corporation

Overview

The CoreAI organization at Microsoft builds the end-to-end Artificial Intelligence (AI) stack and is core to Azure AI innovation and differentiation, as well as all of Microsoft's flagship products, from GitHub, to Office, Teams, and Xbox. We are the team building Responsible AI, Azure OpenAI, Model as a Service, Azure Machine Learning (ML), Cognitive Services, and the global Azure AI infrastructure for running the largest AI workloads on the planet.

We ensure Microsoft ships AI systems that are safe, secure, and trustworthy-empowering every person and organization on the planet to achieve more. Our team sits at the intersection of cutting-edge AI research and planet-scale production systems, powering technologies like GitHub Copilot and Azure OpenAI. We are looking for a Principal Applied Scientist to join our team!

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.

In alignment with our Microsoft values, we are committed to cultivating an inclusive work environment for all employees to positively impact our culture every day.

Responsibilities

In this role you'll develop machine learning techniques that push the boundaries of safety, alignment, and trustworthy AI. You'll collaborate across product, research, and engineering teams to design, build, and maintain responsible AI systems that make an impact at scale-from early-stage development and experimentation to production, monitoring, and continuous iteration.

Qualifications

Required Qualifications:

  • Bachelor's Degree in Computer Science, Computational Linguistics, or related field AND 6+ years related experience (e.g., statistics, predictive analytics, research)

  • OR Master's Degree in Computer Science, Computational Linguistics or related field AND 4+ years related experience (e.g., statistics, predictive analytics, research)

  • OR Doctorate in Computer Science, Computational Linguistics, or related field AND 3+ years related experience (e.g., statistics, predictive analytics, research)

  • 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:

  • Experience and familiarity with large language models (LLMs).

  • Experience with and a solid foundation in large distributed systems, algorithms, and software engineering principles.

  • Master's or PhD in Computer Science, Machine Learning, Data Science, or a related field.

  • 5+ years of experience in a research/ML engineering or an applied research scientist position, ideally with a focus on AI safety.

  • Have hands-on experience with deep learning and transformer-based models

  • Excel at problem-solving and analytics, with a proactive approach to challenges

  • Thrive in fast-moving environments where priorities shift and definitions evolve.

  • Enjoy taking ownership end-to-end and learning whatever is necessary to get results.

  • Comfortable working independently while thriving in cross-team collaborations.

  • Understand methods for training and fine-tuning LLMs, including distillation, supervised fine-tuning, and policy optimization.

#coreai

Applied Sciences IC5 - The typical base pay range for this role across the U.S. is USD $139,900 - $274,800 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 $188,000 - $304,200 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:

Applied Sciences 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:

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. (

Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Principal Applied Scientist - CoreAI in Redmond, WA vacancy
  • $139.9k - $274.8k

     ...Overview Overview: CoreAI sits at the center of Microsoft's mission to redefine how...  ...Collaborate closely with backend engineers, data scientists, site reliability engineers (SREs), and...  ...open source communities) to translate applied research into differentiated, production... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    1 day ago
  • $165.6k - $296.4k

     ...full potential of AI to build intelligent, adaptive, and transformative software. You will be a technical contributor driving the applied science foundation for observability in AI agents and multi-agent systems running at scale. This role focuses on understanding how... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    3 days ago
  • $198.9k - $269k

     ...The Principal Applied Scientist will own the science mission for building next-generation proactive and autonomous agentic experiences across Alexa AI's Personalization, Autonomy and Proactive Intelligence organization. You will technically lead a team of applied scientists... 
    Principal
    Worldwide
    Flexible hours

    Amazon

    Bellevue, WA
    1 day ago
  • $228.7k - $309.4k

     ...technical vision for this intelligence layer, leading a team of applied scientists working across GenAI and predictive modeling. You will shape...  ...different modeling paradigms and data modalities to guide principal and senior scientists in their most challenging and... 
    Principal
    Local area
    Flexible hours

    Amazon

    Bellevue, WA
    4 days ago
  • $198.9k - $269k

     ...Alexa AI is looking for a Principal Applied Scientist to lead the science behind Alexa+, Amazon's LLM-powered conversational assistant. You will own the technical direction for key initiatives spanning large language model fine-tuning, alignment, agentic reasoning, and... 
    Principal
    Worldwide
    Flexible hours

    Amazon

    Bellevue, WA
    4 days ago
  • $228.7k - $309.4k

     ...Foundation Model team, where you'll work alongside world-class scientists and engineers to pioneer the next frontier of logistics...  ...AI and foundation models. We are seeking an exceptional Principal Applied Scientist to help develop innovative foundation models that... 
    Principal
    Local area
    Worldwide
    Flexible hours

    Amazon.com Services LLC

    Bellevue, WA
    -103
  • $119.8k - $234.7k

     ...Overview CoreAI sits at the center of Microsoft's mission to redefine how software is...  ...build services that empower engineers and scientists across the company to measure impact, validate...  ...-tested, secure, and performant code; apply metrics to drive code quality and... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    6 days ago
  • $119.8k - $274.8k

    Senior + Principal Software Engineers - Front End Applied AI (MTP) Design and build AI-first security systems leveraging LLMs and multimodal models. Focus on creating high-quality front-end experiences for Microsoft Threat Protection, enabling defenders to reason over... 
    Principal
    Full time

    Software Careers

    Redmond, WA
    4 days ago
  • A leading research organization is seeking a Research Scientist IV/ Applied Perception Scientist to support their Audio team. This role involves overseeing research projects on speech quality, managing multiple projects in a dynamic environment, and requires a PhD or equivalent... 

    ManpowerGroup Global, Inc.

    Redmond, WA
    2 days ago
  • $119.8k - $234.7k

     ...what works - all while upholding Microsoft's commitment toresponsible, inclusive, and trustworthy AI. AboutCoreAI ~ CoreAI- Platform and ToolsisMicrosoft's AIfirst engineering organization, created to build theendtoend Copilot & AI stackpowering products... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    22 hours ago
  • $163k - $296.4k

     ...Overview We are seeking a Principal Product Manager/Architect to define and guide the technical architecture of Microsoft Foundry as...  ...partners closely with engineering, product, and customer teams across CoreAI, Azure, and 1P products to ensure Foundry delivers... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    4 days ago
  • $197.3k - $313.7k

     ...To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating...  ...future of Salesforce. Position Overview: As a Decision Scientist within the Data & Analytics organization, you will collaborate... 
    Principal

    Salesforce.Com Inc

    Bellevue, WA
    1 day ago
  • $142.8k - $274.8k

     ...Foundry is building the foundational platforms that power the next generation of intelligent agents and generative AI systems. Within CoreAI, the Foundry Agents organization is responsible for key ownership areas across the end-to-end agent lifecycle: (a) Foundry Agents... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    5 days ago
  • $139.9k - $274.8k

     ...Overview Join our team within? CoreAI , where we are building the?AI data-plane?that powers all LLM inferencing workloads across...  ...OpenAI, Anthropic, Mistral, Cohere, Llama, and more. As a? Principal Software Engineer , you will shape the future of one of the?largest... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    4 days ago
  • $165.6k - $296.4k

     ...Overview CoreAI is at the forefront of Microsoft's mission to redefine how software is built and experienced. We are responsible...  ...services, model customization, and multi-agent solutions. As a Principal Software Engineering Manager on this team, you will lead and grow... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    6 days ago
  • $142.8k - $274.8k

     ...Overview The CoreAI GPU Infrastructure team builds the foundational accelerated compute platforms that power largescale AI training...  ...impact our culture every day. Responsibilities As the Principal engineer on the team, your responsibilities include: Design... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    5 days ago
  • $139.9k - $274.8k

     ...secure testing solutions that integrate deeply into the modern developer workflow and serve millions worldwide. As a Principal Software Engineer - CoreAI on the Playwright engineering team, you will design and implement systems that bring AI-native and agentic... 
    Principal
    Ongoing contract
    Local area
    Worldwide

    Microsoft Corporation

    Redmond, WA
    2 days ago
  • $163k - $296.4k

     ...rollouts, and clearer business outcomes - delivered through pragmatic execution and deep technical judgment. AboutCoreAI ~ CoreAI- Platform and ToolsisMicrosoft's AIfirst engineering organization, created to build theendtoend Copilot & AI stackpowering products... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    4 days ago
  • $140k - $210k

     ...reasoning, and multi‑step planning for foundation models. In this role, you will define the technical direction of the applied science team, mentor scientists, and partner closely with engineering to translate advanced research into scalable, production‑ready AI systems.... 
    Full time
    Work visa

    Naver U.Hub INC

    Bellevue, WA
    3 days ago
  • $139.9k - $274.8k

     ...thinking in a cloud-enabled world. The CoreAI organization at Microsoft builds the...  ...multimodal content. We are looking for a Principal Software Engineer - Responsible AI who...  ...a unique group of talented engineers, scientists, and product managers to build the industry... 
    Principal
    Ongoing contract
    Work at office
    Local area

    Microsoft Corporation

    Redmond, WA
    4 days ago
  • $142.8k - $274.8k

     ...Overview The?CoreAI?Workloads team builds the?foundational inference engines and APIs that power largescale AI inference across Azure...  ...impact our culture every day.? Responsibilities As?the Principal?engineer on the?team, your responsibilities include: ? Optimize... 
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    4 days ago
  • $139.9k - $274.8k

    Overview Core AI is at the forefront of Microsoft’s mission to redefine how software is built and experienced. We are responsible for building the foundational platforms, services, programming models, and developer experiences that power the next generation of applications...
    Principal
    Ongoing contract
    Local area

    Microsoft Corporation

    Redmond, WA
    1 day ago
  • $150k - $200k

     ...contributions to the company's success.   SystImmune is seeking a Principal Scientist to lead the design, implementation, and ownership of a next-...  ..., ELISA, Octet) Biophysical characterization techniques Apply structural biology knowledge to guide construct design and... 
    Principal

    Systimmune

    Redmond, WA
    26 days ago
  • $124.9k - $228.9k

    Data scientists at TTD work closely with engineering throughout the lifecycle of the product, from ideation to productionization and monitoring. Our data scientists are end-to-end owners. You will participate actively in all aspects of designing, researching, building,... 
    Full time
    Temporary work

    The Trade Desk, Inc.

    Bellevue, WA
    2 days ago
  • $130k - $160k

     ...contributions to the company's success.   We are seeking a Principal Scientist to provide technical leadership for the development of...  ...SystImmune is an Equal Opportunity Employer. We welcome diverse talent and encourage all qualified applicants to apply.... 
    Principal
    Full time

    Systimmune

    Redmond, WA
    more than 2 months ago
  • $100.6k - $199k

     ...are working on multiple fine-tuning scenarios for o3, CUA, and others. We are seeking a highly motivated and experienced Applied Scientist II with expertise in machine learning. As an?Applied Scientist in?Office AI,?you would work in an exciting and fast-paced environment... 
    Ongoing contract
    Work at office
    Local area

    Microsoft Corporation

    Redmond, WA
    1 day ago
  •  ...MS Dynamics CRM (Principal) Sonsoft, Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft...  ...to work independently in the United States are encouraged to apply. We are unable to sponsor at this time. Note:- 1.This is a Full... 
    Principal
    Permanent employment
    Full time
    H1b

    SonSoft

    Redmond, WA
    2 days ago
  • $230.1k - $311.2k

     ...against someone else's definition of it. We're hiring multiple Principal Engineers across this portfolio, and we're looking for...  ...please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner. The... 
    Principal
    Local area
    Flexible hours

    Amazon

    Redmond, WA
    4 days ago
  • $200.1k - $270.6k

     ...complex challenges. Join our dynamic team of AI/ML practitioners, applied scientists, software engineers, and solution architects who work...  ...technologies. Role Overview We are seeking exceptional Principal Engineers to join the Agentic AI organization at AWS. This requisition... 
    Principal
    Worldwide
    Flexible hours
    Shift work

    Amazon

    Redmond, WA
    3 days ago
  • $272k - $431.25k

     ...and most driven individuals in the world working with us. If you are a self-motivated and imaginative individual, we encourage you to apply! Your base salary will be determined based on your location, experience, and the pay of employees in similar positions. The base... 
    Principal

    NVIDIA

    Redmond, WA
    22 hours ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Principal Applied Scientist - CoreAI. Be the first to apply!