• Applied Scientist II, Rbks AI

    Amazon (Sunnyvale, CA)
    …* Establish scalable, efficient, automated processes for large-scale data analysis, machine-learning model development, model validation and gap analysis. ... Provide technical leadership and research new machine learning approaches to drive continued scientific innovation. * Work in a collaborative environment with other scientists, engineers, product managers and cross-functional teams. * Mentor and develop junior… more
    Amazon (08/25/25)
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  • Propulsion Engineer, Structural Analyst (Merlin)

    SpaceX (Hawthorne, CA)
    …reuse requirements are met + Take an extremely practical, hands-on approach to model validation /verification, ensuring that model predictions are tied firmly ... to reality and test data, and make improvements to the engine design + Support ongoing design, manufacturing and reliability improvements to the engine, and ensure the changes are properly qualified + Support the resolution of issues encountered with during… more
    SpaceX (08/23/25)
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  • Forward Deployed Engineer, AI

    MongoDB (San Francisco, CA)
    …discriminative, perceptual, conversational, reinforcement etc), data processing, optimisation, prompt engineering, model validation , model fine tuning and ... reranking + Have knowledge of AI ethics, governance, and compliance frameworks **Why Join Us?** This isn't just another architecture role-it's a hands-on opportunity to shape the future of AI-driven business solutions and redefine what's possible with MongoDB… more
    MongoDB (08/19/25)
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  • Applied Scientist, Amazon Advertising

    Amazon (Simi Valley, CA)
    …- Establish scalable, efficient, automated processes for large-scale data analysis, machine-learning model development, model validation and serving. - ... Research new and innovative machine learning approaches. **Why you will love this opportunity:** Amazon is investing heavily in building a world-class advertising business. This team defines and delivers a collection of advertising products that drive… more
    Amazon (07/18/25)
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  • Propulsion Analyst, Combustion Devices (Raptor)

    SpaceX (Hawthorne, CA)
    …engine and vehicle objectives + Take a practical, hands-on approach to model validation /verification, ensuring that model predictions are representative ... of design criteria and tied firmly to test data + Support ongoing design, manufacturing and reliability improvements to the engine, and ensure changes and new designs are properly analyzed and qualified BASIC QUALIFICATIONS + Bachelor's degree in an… more
    SpaceX (07/15/25)
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  • Data Scientist - AI

    EchoStar (Foster City, CA)
    …and deep learning models for business applications + Build scalable pipelines for model training, validation , deployment, and monitoring + Analyze large, complex ... to ML solutions + Apply testing, benchmarking, and monitoring to ensure robust model performance + Use Git, GitLab CI/CD, Docker, and Terraform for ML lifecycle… more
    EchoStar (09/28/25)
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  • Principal Data Scientist

    Lumen (Sacramento, CA)
    …Foundry or AWS Bedrock + Implement AIOps best practices, including CI/CD for model training, validation , deployment, and monitoring + Develop generative AI ... define strategies + Ensure compliance with ethical AI principles, model governance, and data privacy regulations **What We Look...(NLP) and generative AI applications + Expertise in AIOps, model lifecycle management, and AI model deployment… more
    Lumen (09/17/25)
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  • Marketing Mix Modeling Product Owner

    US Bank (Los Angeles, CA)
    …+ Partner with the vendor, data scientists and modelers to guide model design, refreshes, validation , and deployment. _Business Integration & Activation_ ... for MMM, including accuracy, ROI impact, and user adoption. + Oversee model calibration and validation processes, including integration with experimentation… more
    US Bank (09/24/25)
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  • (USA) Senior Director, Data Science - Consumer…

    Walmart (Sunnyvale, CA)
    …cases + Drive disciplined and transparent processes to enable efficient data science model development and validation in support of both product roadmap and ... like SQL, Java, C++, Python and others + Knowledge of model fit testing, tuning, and validation techniques (for example, Chi square, ROC curve, root mean square… more
    Walmart (09/09/25)
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  • Software Quality Analyst I

    Cognizant (Cupertino, CA)
    …successfully? If so, please apply today! **Job Description:** * Working with large language model validation , ensuring the LLM performs at an acceptable level of ... accuracy and reliability across different models * Fix implementation: Identify and address issues in synthetic data and manual tests by comparing various models, fixing schemas * Create, curate diverse set of test cases and scenarios to challenge and refine… more
    Cognizant (09/16/25)
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