Ad Tech and Ranking
540 open positions
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Applied Scientist, Tabular Foundational Model, AWS
AmazonSeattle, Washington, United States
$167k–$226k1d
Building Amazon's frontier large-scale tabular foundation model (Mitra family) to enable zero-shot analytics, automated feature engineering, and cross-domain generalization for structured data.
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Applied Scientist - GenAI, Trust and Store Integrity Science
AmazonSeattle, Washington, United States
$143k–$193k1d
Build advanced machine learning systems using GenAI/LLM/VLM to prevent eCommerce fraud and manage transaction safety at scale.
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Senior Applied Scientist - Ads Ranking & Retrieval MicrosoftIndia, Karnataka, Bangalore 2d Develop and productionize identity-clustering, applicant-risk, and behavioral detection models to identify abuse patterns and active accounts using machine learning.
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[Data Scientist] Principle Data Scientist - SG AgodaSingapore (Guoco) 2d Lead the design and deployment of ML, AI, and analytical solutions to solve high-leverage problems across Agoda's travel platform.
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(USA) Principal, Machine Learning Engineer↗ WalmartSunnyvale, CA, US $169k–$169k2d Lead the design and development of scalable, production-grade ML systems addressing complex business challenges for Walmart International.
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Sr. Manager, Applied Science, GenAI, Amazon Advertising - Creative X
AmazonNew York, New York, United States
$219k–$219k2d
Lead the applied science team responsible for creative quality, safety, moderation, and multimodal content understanding for Amazon Advertising's generative creative assets.
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Machine Learning Engineer, Core Experimentation OpenAISeattle 2d Lead technical direction for ML-powered experimentation and insights capabilities, building production systems that learn from product data to generate evidence-backed insights and support high-stakes product decisions.
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Applied Scientist III, Demand Technology, Amazon Demand Side Platform, Bravo Non-endemic
AmazonNew York, New York, United States
$184k–$249k3d
Design and improve machine learning models for conversion prediction, bidding, ranking, and measurement to optimize advertiser outcomes like cost per acquisition and return on ad spend for non-endemic brands.
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Applied Scientist, Prime Video - Content Reasoning, Enrichment & Localization
AmazonSeattle, Washington, United States
$136k–$184k3d
Build content reasoning, enrichment, and localization features for Prime Video to enhance user viewing experiences and content discovery.
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Applied Scientist, Catalog System Services Science
AmazonSeattle, Washington, United States
$143k–$193k3d
Building state-of-the-art GenAI algorithms and models to enrich product information and infer relationships across billions of products in Amazon's catalog.
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Applied Scientist, Amazon Compliance and Safety Services
AmazonBucharest, Romania
3d
Research and develop state-of-the-art machine learning algorithms for product compliance and safety using NLP, multi-modal modeling, and large language models.
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Applied Scientist, Neuron ARG, Annapurna ML
AmazonSeattle, Washington, United States
$143k–$193k3d
Design and develop end-to-end systems to tackle never-before-solved problems in machine learning, NLP, computer vision, automated reasoning, robotics, or quantum technologies using massive datasets.
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Applied Scientist II, Cross Border Science and Analytics
AmazonBengaluru, Karnataka, India
3d
Design, develop, and deploy machine learning models and algorithms to solve complex cross-border challenges for Amazon's international marketplace, improving search relevance, demand forecasting, pricing, and product recommendations.
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Sr Applied Data Scientist - Search Ranking (Applied ML, NLP, LLMs)) Target100 Mathilda Place,Ste 100 Sunnyvale,CA 94086-6017, US $98k–$98k3d Develop and deploy scalable ML models for search ranking, browse personalization, semantic retrieval, and query understanding systems to improve product discovery and customer engagement at Target's digital platforms.
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Senior Data Scientist / Machine Learning Engineer - Listing Quality FaireSan Francisco, CA $211k–$211k3d Build and ship multi-modal deep learning and LLM models to improve product listing quality (images, titles, descriptions) for a global wholesale marketplace.
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Software Development Engineer, Measurement, Ad Tech, and Data Science (MADS)
AmazonDenver, Colorado, United States
$144k–$194k4d
Building AI-powered self-service analytics products at the intersection of AI and advertising analytics to democratize data access for advertisers.
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Senior Applied Researcher - Search eBayKleinmachnow 4d Develop advanced query understanding products and solve core e-commerce search challenges using cutting-edge ML algorithms.
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Applied Scientist, Responsible AI
AmazonSeattle, Washington, United States
$143k–$193k4d
Advancing the science and practice of Responsible AI (RAI) to enable the deployment of high-standard AI solutions across Amazon's products and services.
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Applied Scientist, International Machine Learning
AmazonGurugram, Haryana, India
4d
Build and deploy advanced machine learning systems to optimize millions of transactions, analyze terabytes of data, and solve real-world business problems for Amazon's International Emerging Stores.
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Principal Data Scientist, Recommendations (PhD) VidmobColombia 4d Build production-grade recommendation systems and creative intelligence models to drive ad effectiveness and creative performance for global marketers.
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Applied Scientist, Machine Learning Accelerator
AmazonSan Diego, California, United States
$143k–$193k4d
Research and prototype AI/ML applications (Agentic AI, LLM, deep learning) to solve strategic business problems for the Selling Partner Experience (SPX) domains, including trust and safety, recruitment, growth, and support.
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Senior Analytics Manager - Search Ontology CatChicago, Illinois, US $159k–$159k4d Define technical vision and architecture for scalable search analytics platforms, integrating NLP and vector search to enhance eCommerce relevance and user experience.
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Applied Scientist II, Partner Science
AmazonSeattle, Washington, United States
$143k–$143k4d
Design, build, and productionize ML/AI and econometric solutions to improve how advertisers find, work with, and succeed through partners.
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Applied Scientist II, Advertising Incrementality Measurement
AmazonNew York, New York, United States
$172k–$223k4d
Lead the development of scientifically rigorous causal inference models to measure the effectiveness of Amazon Ads and guide advertiser decisions.
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Data Scientist↗ CapgeminiPhiladelphia, PA, US $0k–$0k4d Lead algorithmic decision-making at scale by crafting and implementing machine learning models, neural networks, and MLOps practices to enhance personalization and automation in digital products.
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Machine Learning Engineer ZoomInfoRemote $128k–$128k4d Building intelligence for ZoomInfo AI agents by extending the B2B data graph, resolving entity identity, and inferring buying intent from noisy multilingual text.
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Research Scientist - Personalization SpotifyLondon 4d Conduct original research in machine learning and AI to advance Spotify's personalization systems, focusing on large-scale foundation models, generative AI, and post-training methods.
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Machine Learning Science Intern - Summer 2027↗ WayfairBoston, MA, US $270k–$270k5d Intern role focused on pioneering production-grade algorithmic breakthroughs in high-impact ML teams, owning the full ML lifecycle from idea to deployment and measuring business impact.
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Applied Scientist, Amazon Ads, Forecasting, Insights and Guidance (FIG)
AmazonPalo Alto, California, United States
$172k–$222k5d
Apply machine learning and generative AI to campaign optimization and advertiser outcomes on Amazon's advertising platform.
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Machine Learning Expert, Risk Control - Global E-Commerce↗ ByteDanceSingapore, S00, SG 5d Develop and deploy autonomous, Agent-based large language model solutions to detect inauthentic behaviors, AIGC content, and malicious activities across global e-commerce platforms.
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Applied Scientist II, Sponsored Products and Brands Agent
AmazonSeattle, Washington, United States
$143k–$193k5d
Design and implement machine learning models and algorithms powering advertiser-facing AI experiences for Sponsored Products and Brands at Amazon Ads.
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Sr. Applied Scientist, Alexa Excellence AI Ops, Alexa Excellence AI Ops
AmazonSunnyvale, California, United States
$167k–$167k7d
Lead research and development of machine learning and statistical models to ensure Alexa's reliability at massive scale, focusing on anomaly detection, predictive failure modeling, and LLM-driven operational intelligence.
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Sr. Manager, Applied Science, GenAI, Amazon Advertising - Creative X↗
AmazonSeattle, WA, US
$219k–$219k8d
Lead the applied science team responsible for creative quality, safety, moderation, and multimodal content understanding for Amazon Advertising's generative ad tools.
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Sr. Applied Scientist, Sponsored Products and Brands
AmazonNew York, New York, United States
$167k–$167k8d
Architecting next-generation GenAI systems and multi-modal applications to revolutionize advertising experiences for millions of customers and advertisers across Amazon.com and global marketplaces.
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Software Development Engineer, Advengers - Amazon Ads Brand & Video
AmazonNew York, New York, United States
$158k–$214k8d
Design and deliver AI-first campaign creation systems for omni-channel ad buying across video, audio, and display.
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SDE IV (ML Engineering) InMobiLucknow 8d Bridge the gap between data science research and production systems by implementing model finetuning, distillation, and routing algorithms for AI Commerce.
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Sr. Applied Scientist, Pricing Science
AmazonSeattle, Washington, United States
$167k–$226k9d
Develop and deploy algorithmic pricing and promotion models using deep learning and causal inference to optimize Amazon's pricing strategies and measure their impact on customer behavior.
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Applied Scientist II, Worldwide Returns & Recommerce - Science
AmazonHyderabad, Telangana, India
9d
Design, develop, and evaluate innovative models for Natural Language Programming (NLP), Large Language Models (LLM), or Large Computer Vision Models to automate routing, optimize re-use, and improve customer experience in Amazon's returns and recommerce…
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Senior Data Scientist Reinforcement Learning – Offer Intelligence (m/f/d)↗ SixtLisboa, P11, PT 10d Architect and productionize advanced probabilistic models (Bayesian regression, SVI, bandits) to power pricing strategy and offer personalization for millions of daily decisions.
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Software Engineer, Generative Media AI, Apparel ML↗
GoogleSeattle, WA, US
$147k–$147k10d
Productionizing GenAI shopping features across Google's surfaces (Search, Commerce, Ads, Chrome, YouTube) by scaling multimodal GenAI to production-level quality.
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