Ad Tech and Ranking
641 open positions
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Applied Scientist, Amazon Live Data Engineering, Sciences and Analytics (DESA)
AmazonSeattle, Washington, United States
2mo
Building production-grade causal measurement, content intelligence, and ranking signals for Amazon Live's shoppable video platform to prove video value to brands and influence product decisions.
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Principal Applied Scientist, Trusted Supply, Amazon Ads
AmazonLondon, England, United Kingdom
2mo
Define and drive the science vision for Brand Safety, Suitability, and Risk Hunting to protect advertisers from unsafe content, fraud, and privacy threats across Amazon Advertising surfaces.
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Applied Scientist, Tax Engine
AmazonVancouver, British Columbia, Canada
CA$149k–CA$249k2mo
Develop AI systems and machine learning models to enhance tax classification accuracy for Amazon's global sales platform.
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Applied Scientist, Alexa Smart Home
AmazonVancouver, British Columbia, Canada
CA$196k–CA$327k2mo
Define research agenda and build production ML systems for voice understanding, proactive automation, and LLM/agentic orchestration in Alexa Smart Home.
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Senior/Lead Data Scientist NixRemote 2mo Design, build, and operate production ML and GenAI systems for a European online car marketplace, solving complex business problems across 18 countries.
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Applied Scientist I, CMT
AmazonChennai, Tamil Nadu, India
2mo
Research and develop machine learning models, large language models, and recommender systems for competitive monitoring to improve customer experience at a worldwide scale.
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AI Research Scientist 4/5 - Promotional Asset & Creative Technology, AIMS NetflixUSA - Remote $466k2mo Design and develop innovative AI/ML solutions to define algorithmic strategies for promoting diverse media types and enhancing content discovery on Netflix.
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【Class of 2028／Full-Time】Applied Scientists , Amazon International Stores, Amazon Japan Store Tech
AmazonTokyo, Japan
2mo
Develop novel machine learning models and algorithms to improve product discovery, search relevance, and personalization for Amazon's cross-border shopping experience across Japan and global marketplaces.
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Applied Scientist III, Sponsored Products and Brands - Advertiser Growth and Strategies
AmazonSeattle, Washington, United States
2mo
Define scientific direction and build agentic AI systems that autonomously manage and optimize ad campaigns for millions of advertisers on Amazon.
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Applied Science Manager, GameLift
AmazonSeattle, Washington, United States
$184k2mo
Lead a new business unit on the GameLift team to create AI and ML-based applications for the gaming industry, translating ambiguous business opportunities into production-grade ML systems.
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【Class of 2029／Internship】Applied Scientists , Amazon International Stores, Amazon Japan Store Tech
AmazonTokyo, Japan
2mo
Develop novel machine learning models and algorithms to improve product discovery, search relevance, and personalization for Amazon's cross-border shopping experience in Japan.
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Applied Scientist (2026-27 Campus, International Technology Team), Shanghai
AmazonShanghai, China
2mo
Research and apply NLP, IR, and LLM technologies to solve search understanding, relevance ranking, and conversational shopping problems for Amazon customers.
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Sr Applied Scientist, Amazon Recommerce India
AmazonBengaluru, Karnataka, India
2mo
Build and adapt machine learning models to recover value from returned inventory in India by predicting salability, detecting defects/fraud, and optimizing disposition and pricing.
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Senior Applied Scientist, Advertiser Demand Intelligence MicrosoftUnited States, Washington, Redmond 2mo Lead AI/ML strategy for Demand Intelligence, transforming marketplace and advertiser signals into actionable recommendations and insights.
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Senior Manager, Applied AI eBayBengaluru, India 2mo Lead a high-performing team of applied researchers and engineers to develop production AI systems at eBay scale for ads and marketplace discovery.
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Senior Data Scientist MangoPalau-solità i Plegamans, Catalonia, Spain 2mo Senior Data Scientist specializing in retail-fashion, developing AI-based solutions for assortment planning, stock optimization, and generative AI reporting.
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Data Science Manager TrustpilotCopenhagen 3mo Lead two cross-functional teams of Data Scientists and Engineers to build and deploy ML solutions for automated content moderation and fake review detection on a global review platform.
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Senior Manager, Applied Science TekionBangalore HQ 3mo Lead advanced applied science initiatives to drive innovation, optimize business outcomes, and expand data-driven product capabilities in the automotive retail ecosystem.
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Staff Machine Learning Scientist↗ FinLondon, England, UK 3mo Define new ML features, research algorithms, and rapidly prototype solutions to deliver high-impact customer support products.
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Staff Machine Learning Engineer – Ads Signals Intelligence & Information Retrieval AppleCupertino, United States of America 3mo Building content understanding systems and large-scale infrastructure for near real-time signal updates to power retrieval, prediction, and relevance across Apple's advertising ecosystem.
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Senior Staff Technical Program Manager PinterestSan Francisco $164k3mo Lead company-level programs for search signals, offsite data integration, and AI-driven personalization to transform Pinterest into a shopping and inspiration platform.
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Applied Science Manager, Advertising Trust
AmazonBengaluru, Karnataka, India
3mo
Lead a team of applied scientists building next-generation content moderation intelligence for Amazon Ads, combining multimodal ML, retrieval systems, and generative AI to automate policy enforcement at global scale.
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Senior Applied Scientist, Shopping Convo Foundations - Pre-purchases Science
AmazonSeattle, Washington, United States
$192k3mo
Lead research and development of novel machine learning approaches to solve complex catalogue expansion and product attribute challenges, translating scientific breakthroughs into production-ready solutions.
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Applied Scientist, Global Risk Intelligence and Prevention, Seller Abuse Prevention
AmazonSeattle, Washington, United States
$143k–$193k3mo
Lead the development and implementation of advanced AI solutions to detect and prevent marketplace abuse across Amazon's catalog, reviews, financial risks, and competitor abuse.
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Principal Applied Scientist, Ads Optimization, FAIM
AmazonPalo Alto, California, United States
$199k3mo
Invent models for joint budget allocation across sponsored ad products to maximize advertiser outcomes and long-term customer value.
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Staff Applied Scientist, Search & Discovery MaterialbankRemote 3mo Design and build search retrieval, ranking, and recommendation systems for a global architecture and design material marketplace.
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Research Scientist NielsenIQChennai, TN, in 3mo Develop and apply machine learning innovations, specifically in NLP, to solve large-scale business problems in retail and consumer intelligence.
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Applied Data Scientist NiftTel Aviv, Israel 3mo Build and scale production-grade recommendation systems to drive marketplace outcomes by matching people with brands.
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Engineer 5 - Machine Learning ComcastIndia - Chennai, Comcast India Engineering Cent 3mo Leading advanced machine learning initiatives, pioneering prototype design, and translating complex algorithms into practical software solutions for product teams.
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Principal Data Scientist JioStarBengaluru - EGL 3mo Define scientific vision and technical strategy for an AI-native personalization platform powering Search, Recommendations, Homepage, Ads, and Notifications for millions of users.
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Principal Data Scientist, Core Shopping Data Science
AmazonSeattle, Washington, United States
$189k3mo
Define, validate, and enforce store quality metrics (relevance, duplication, staleness) using LLMs to improve the Amazon shopping experience for customers and advertisers.
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Applied Scientist (2026-27 Campus, International Technology Team), Beijing
AmazonBeijing, China
3mo
Design and integrate machine learning models for Amazon's search engine to improve product discovery and customer experience using TB-level data.
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Senior Applied ML/AI Scientist - Search FaireKitchener-Waterloo, ON $211k3mo Design and productionize next-generation search ranking algorithms and natural-language discovery systems using deep learning, LLMs, and graph neural networks to personalize product discovery for independent retailers.
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Applied Scientist II, IN SPS Tech
AmazonBengaluru, Karnataka, India
3mo
Design, implement, test, deploy, and maintain innovative science solutions to accelerate Amazon Marketplace business in India and emerging markets, focusing on Selection quality and fee revenue.
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Sr Applied Scientist, Core Shopping Data Science
AmazonSeattle, Washington, United States
$167k–$226k3mo
Distill LLM quality judgments into compact online models and quantify customer responses to shopping defects to improve ranking objectives.
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Data Scientist- Machine Learning & AI LightricksJerusalem 3mo Build prediction, classification, optimization, and causal inference models to drive revenue planning, marketing efficiency, and product strategy for an AI-powered photo/video editing app.
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Data Scientist (Europe, Asia) SportygroupRemote 3mo Build and productionize data-driven ML systems for personalization, search, and recommendation to enhance user experience and drive business conversion.
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Sr. Applied Scientist, PXT Central Science
AmazonSan Francisco, California, United States
$167k3mo
Build production machine learning systems to solve complex business problems at scale, specifically personalizing manager onboarding and development experiences.
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Senior Applied Scientist , Amazon Ads
AmazonSeattle, Washington, United States
$167k3mo
Research and build next-generation ML solutions, including generative AI and LLM applications, to transform advertising experiences at scale.
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Senior Applied Scientist, Traffic Quality
AmazonBengaluru, Karnataka, India
3mo
Define long-term science vision and build advanced capabilities to detect sophisticated invalid traffic (IVT), including non-human traffic and bot networks, across programmatic advertising at petabyte scale.
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