• Principal Data and Applied

    Microsoft Corporation (Redmond, WA)
    …by preventing, detecting, and responding to security threats. We're seeking a **_Principal Data and Applied Scientist_** to lead advanced analytics and machine ... Microsoft Entra, provide secure, seamless access to applications, devices, and data while protecting users from evolving cyber threats. With passwordless… more
    Microsoft Corporation (01/06/26)
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  • Principal Applied Scientist

    Amazon (Bellevue, WA)
    …General Intelligence (AGI) team is looking for a passionate, talented, and inventive Principal Applied Scientist with a strong deep learning background, ... affect the way we build and integrate algorithms. A Principal Applied Scientist will solicit...experience. - First‑author research on scaling laws, evaluation metrics, data mixture optimization, data efficiency, neural network… more
    Amazon (11/19/25)
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  • Principal Applied Scientist

    Amazon (Bellevue, WA)
    Description As a Principal Applied Scientist within the Artificial General Intelligence (AGI) organization, you are a trusted part of the technical ... affect the way we build and integrate algorithms. A Principal Applied Scientist will solicit...- First author research on scaling laws, evaluation metrics, data mixture optimization, data efficiency, or neural… more
    Amazon (12/25/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …intersection of innovation and applied machine learning. We are looking for a ** Principal Applied Scientist ** to help us deliver breakthrough applied ... and agentic search-to solve complex challenges in Copilot-driven enterprise search. As a Principal Applied Scientist , you'll be responsible for delivering… more
    Microsoft Corporation (12/21/25)
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  • Principal Data Scientist

    Microsoft Corporation (Redmond, WA)
    …item embeddings, sequence models, transformer-based architectures, and two-tower models. Additionally, the Principal Data Scientist should have a solid ... such as A/B tests, guardrails, and statistical significance. The Principal Data Scientist will demonstrate...ability to translate complex technical concepts to non-technical stakeholders. Applied Sciences IC5 - The typical base pay range… more
    Microsoft Corporation (01/07/26)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …to driving innovation and safeguarding customers in an ever-evolving. We are hiring a Principal Applied Scientist . Microsoft's mission is to empower every ... featureengineering pipelines in PySparkbased environment. 7. Partner with AI, Engineering and Data scientist teams to build machinelearning systems that identify… more
    Microsoft Corporation (01/01/26)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    **Overview** The Business and Industry Solutions (BIS) team is looking for a ** Principal Applied Scientist ** . Do you want to shape the future of the ... and Industry Solutions (BIS) team is looking for a Principal Applied Scientist to drive...+ Drive strategic impact by identifying and leading high-leverage data science and analytics initiatives across multiple product domains.… more
    Microsoft Corporation (01/04/26)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …that empower users to make trustworthy science-informed decisions. We are looking for a Principal Applied Scientist , Agent Foundry (CoreAI) who is passionate ... AI agents. We are seeking a passionate and skilled Applied Scientist to join the Agent Performance...that meets key business objectives + Leverage and/or construct data and experimentation to rapidly iterate on and refine… more
    Microsoft Corporation (11/26/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …generate contextual summaries, and streamline workflows across organizational tools. As a Principal Applied Scientist , you will define scientific vision ... and monitoring). + 3+ years of technical leadership experience in an applied science or data science team setting - this could include leading a team of… more
    Microsoft Corporation (12/21/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …powering technologies like GitHub Copilot and Azure OpenAI. We are looking for a Principal Applied Scientist to join our team! Microsoft's mission is ... + Master's or PhD in Computer Science, Machine Learning, Data Science, or a related field. + 5+ years...years of experience in a research/ML engineering or an applied research scientist position, ideally with a… more
    Microsoft Corporation (12/21/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …the Microsoft Fabric product pillar, the Real-Time Intelligence (RTI) team is hiring a Principal Applied Scientist to lead the science of evaluating (evals) ... and the sky is the limit thinking in a cloud-enabled world. Microsoft's Azure Data engineering team is leading the transformation of analytics in the world of … more
    Microsoft Corporation (12/11/25)
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  • Principal Applied Scientist

    Amazon (Bellevue, WA)
    …logistics through advanced AI and foundation models. We are seeking an exceptional Principal Applied Scientist to help develop innovative foundation models ... solutions for dynamic real-world environments. Your team will leverage Amazon's vast data and computational resources to tackle ambitious problems across a diverse… more
    Amazon (12/12/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …models, and shipping impactful, model-driven experiences in Microsoft 365 Copilot. As a ** Principal Applied Scientist - Microsoft 365 Copilot** , you ... with **Microsoft Turing Team** , where you'll join a collaborative group of applied scientists and engineers pushing the frontier of large language models (LLMs) to… more
    Microsoft Corporation (01/06/26)
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  • Principal Applied Scientist

    Amazon (Bellevue, WA)
    Description As a Principal Scientist within the Artificial General Intelligence (AGI) organization, you are a trusted part of the technical leadership. You bring ... and research experience. First‑author research on scaling laws, evaluation metrics, data mixture optimization, data efficiency, neural network architectures in… more
    Amazon (10/30/25)
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  • Senior Principal Applied

    Microsoft Corporation (Redmond, WA)
    **Overview** The ODSP Applied Science team is hiring a senior principal ‑level applied scientist to lead breakthrough work in multimodal AI and generative ... personal and enterprise content. + Lead end‑to‑end model development: Data strategy, training/evaluation, safety and robustness, online experimentation, reliability,… more
    Microsoft Corporation (12/13/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …AI to deliver cutting-edge tools that drive impact at scale. We are looking for a Principal Applied Scientist to lead the development of the Copilot Chat ... tests, guardrails, red‑teaming, and quality bars. + Mentor and multiply: guide applied scientists and engineers, set best practices, and raise the bar for… more
    Microsoft Corporation (12/19/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …of Artificial Intelligence. The Responsible AI team within this division is looking for a Principal Applied Scientist with a proven track record to help ... Science, Computational Linguistics, or relevant field AND 2+ years related applied science experience OR equivalent experience. + Proven experience in machine… more
    Microsoft Corporation (01/07/26)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    **Overview** We are seeking a Principal Applied Scientist to lead the next generation of click-through-rate (CTR) for Microsoft Advertising. This is a ... + Modernize our current modeling pipelines, addressing critical technical debt in data flows, training pipelines, and inference systems. + Partner closely with… more
    Microsoft Corporation (12/13/25)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …the right content at the right moment while upholding safety and integrity. As a ** Principal Applied Scientist ** , you'll lead the science behind Discover's ... + **Scale E2E ML systems.** Collaborate with engineering on data contracts, feature stores, distributed training/inference, and automated rollout/rollback; drive… more
    Microsoft Corporation (01/07/26)
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  • Principal Applied Scientist

    Microsoft Corporation (Redmond, WA)
    …businesses operate? The Business and Industry Solutions (BIS) team is looking for a ** Principal Applied Scientist ** to drive innovation at the intersection ... **Responsibilities** + **Drive strategic impact** by identifying and leading high-leverage data science and analytics initiatives across multiple product domains. +… more
    Microsoft Corporation (01/01/26)
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