✦ Luna Orbit — AI & Machine Learning

Sr Applied Scientist, CreativeX Ad Formats

at Amazon.com

📍 US, CA, Santa Monica Onsite Posted April 01, 2026
Type Full-Time
Experience senior
Exp. Years 3+ years
Education PhD, or Master's degree and 6+ years of applied research experience
Category AI & Machine Learning

Senior applied scientist at Amazon CreativeX focusing on personalization and dynamic creative optimization for ads. Leads R&D and builds scalable ML models, leveraging generative AI to enhance audience engagement and advertising performance.

  • Lead research for streaming dynamic creative optimization
  • Design scalable ML solutions with generative AI
  • Drive engagement and ad performance improvements
  • Demonstrate leadership and stakeholder management
  • Run experiments and AB tests

Production ML focus with emphasis on streaming TV optimization, content personalization, and generation AI capabilities. Stack includes Java/C++/Python with ML frameworks (TensorFlow, scikit-learn) and distributed systems (Hadoop/Spark).

The ideal candidate is a senior ML scientist with 3+ years of production ML experience in personalization and content optimization, expert in deep learning and distributed ML tooling, and able to lead cross-functional initiatives across product and engineering.

3+ years of building machine learning models for business application experiencePhDor Master's degree and 6+ years of applied research experienceExperience programming in JavaC++Python or related languageExperience with neural deep learning methods and machine learning
Experience with modeling tools such as Rscikit-learnSpark MLLibMxNetTensorflownumpyscipy etc.Experience with large scale distributed systems such as HadoopSpark etc.Experience in A/B testingExperience in professional software developmentExperience with written and verbal communication and presentation
JavaC++PythonRscikit-learnSpark MLlibMxNetTensorFlownumpyscipyHadoopSpark
machine learningdeep learningneural networksJavaC++PythonRscikit-learnSpark MLlibMxNetTensorFlownumpyscipyHadoopSparkA/B testingprofessional software developmentcommunicationpresentation
JavaC++PythonNeural networksDeep learningMachine learningRscikit-learnSpark MLlibMxNetTensorFlownumpyscipyHadoopSparkA/B testingProfessional software developmentGenerative AIcontent optimizationdynamic creative optimization
communicationleadershipstakeholder managementpresentationproject executionteam collaboration
Industry E-commerce
Job Function Develop production-grade ML models for ad personalization and content optimization in advertising tech
Role Subtype ML Engineer
Tech Domains Python, Java, C++, SQL / PostgreSQL, Hadoop, Spark
Sr Applied ScientistCreativeX Ad FormatsAmazon AdvertisingPersonalizationRecommender Systemsstreaming TV dynamic creative optimizationcontent personalizationMLmachine learningNeural networksDeep learningJavaC++PythonRscikit-learnSpark MLlibMxNetTensorFlownumpyscipyHadoopSparkA/B testingprofessional software developmentcommunicationpresentationApplied ScientistMachine LearningDeep Learning

Lack of 3+ years ML production experience, No proficiency in Java, C++, or Python, Reluctance to work onsite in Santa Monica

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