Ad Tech and Ranking
642 open positions
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生成式排序模型算法工程师（J106392） Baidu北京市,上海市 1mo Develop generative ranking models for recommendation and advertising scenarios, applying Transformer and sequential modeling to CTR/CVR/GMV estimation.
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Senior Data Scientist↗ TUILuton, England, UK 1mo Develop advanced machine learning models and AI solutions for personalization, recommendations, and customer analytics to improve customer and business outcomes.
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Applied Scientist, EU INTech Consumer Selection Discovery, EU InTech Consumer Selection Discovery
AmazonMadrid, Community of Madrid, Spain
1mo
Build GenAI-powered data solutions, agentic systems for quality detection, and ranking/recommendation models for Haul shopping experiences to improve customer experience at Amazon scale.
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Applied Scientist Manager, Marketplace Intelligence↗
AmazonArlington, VA, US
$184k1mo
Lead a team of scientists and engineers to build production ML and bandit solutions that customize Amazon search ad allocation, placement, and quantity to balance shopper discovery, advertiser sales, and Amazon interests.
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Senior / Product Builder - Search↗ ShopBackSingapore, Singapore 1mo Building AI-native search experiences that personalise, guide, and delight at scale for 20 million shoppers across 13 markets.
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Applied Scientist, EU INTech Consumer Selection Discovery, EU InTech Consumer Selection Discovery↗
AmazonMadrid, MD, ES
1mo
Build GenAI-powered data solutions, agentic systems for quality detection, and ranking/recommendation models for Haul shopping experiences at Amazon scale.
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2027 Applied Scientist Internship – PhD, Amazon University Talent Acquisition
AmazonBerlin, Berlin, Germany
1mo
Design and implement state-of-the-art AI/ML systems for production deployment to help customers make better purchase decisions, enable autonomous robotics, and optimize cloud data warehouses.
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2027 Applied Scientist Internship – PhD, Amazon University Talent Acquisition
AmazonLuxembourg, Luxembourg
1mo
Design and develop end-to-end systems, algorithms, and models for Amazon's logistics, search, and autonomous AI agents, shipping to production.
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Director, AI/ML Engineering StockXRemote, USA $225k1mo Set AI/ML engineering strategy and roadmap to drive marketplace impact in search, recommendations, pricing, fraud detection, and counterfeit detection.
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Applied Scientist TwitchSan Francisco, CA $172k1mo Build machine learning products to enrich Twitch's content understanding and help creators and viewers build and discover their communities.
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Principal Applied Scientist (Shopping) MicrosoftEgypt, Cairo, Cairo 1mo Discover insights from massive datasets to resolve customer pain points and develop/deploy ML, deep learning, and LLM-based solutions for commerce intelligence and user profiling.
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Senior Applied Scientist, Sponsored Products↗
AmazonSeattle, WA, US
1mo
Senior Applied Scientist leading end-to-end ML and Generative AI projects for Sponsored Products search, retrieval, and ranking to drive ad impressions and sales.
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Applied Scientist, Amazon Canada Technology, Amazon Canada↗
AmazonVancouver, BC, CA
CA$149k–CA$249k1mo
Develop and train reasoning LLMs, embedding models, and rankers to optimize search and product discovery for Canadian customers across bilingual and multi-category contexts.
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AI Research Scientist 4/5 - Generative Models, Recommender Systems NetflixRemote, United States $300k–$537k1mo Design and develop innovative Machine Learning solutions to define algorithmic strategies for promoting titles and enhancing content discovery on Netflix.
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Data Scientist, Alexa Connections
AmazonChennai, Tamil Nadu, India
1mo
Lead end-to-end development of machine learning and data science solutions powering intelligent communication experiences (calling, messaging, email) for Alexa customers.
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Applied Scientist
AmazonSan Francisco, California, United States
$172k–$222k1mo
Build machine learning products to enrich Twitch's content understanding and help creators and viewers build and discover their communities.
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Tech Lead Research Scientist - Recommendation Foundation Models (Global E-commerce)↗ TikTokSeattle, WA, US $242k1mo Building shared foundation models for Global E-commerce using LLMs/VLMs, multimodal understanding, and reinforcement learning to create recommendation agents that understand user intent.
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AI Research Scientist (Technical Leadership)↗ MetaBellevue, WA, US $271k1mo Lead foundational and applied research for Ads AI systems to optimize retrieval, ranking, bidding, and whole page optimization for Meta ads.
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Senior Data Scientist↗ Titan OsBarcelona, CT, ES 1mo Lead the development of predictive audience models for Connected TV advertising, turning seed datasets into robust predictions of larger customer populations.
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Data Engineer – Applied ML SimilarwebTel Aviv 1mo Build LLM-powered and ML-based pipelines to classify, normalize, structure, and match product, brand, and category data at scale for a digital intelligence platform.
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Applied Scientist , Prime Video Personalization and Discovery, Prime Video Personalization & Discovery
AmazonSeattle, Washington, United States
$143k1mo
Build and guide machine learning models from the ground up to improve how customers search for and discover content on Prime Video.
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Data Science SkyMilan, Monte Penice, IT €40k1mo Develop machine learning and advanced analytics solutions for customer analytics, personalization, recommendation systems, and NLP/text analytics to improve customer experience and support business decision-making.
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Applied Scientist-LLM, Buy For Me
AmazonSeattle, Washington, United States
$136k–$184k1mo
Build LLM-powered solutions for Amazon's BuyForMe product, enabling customers to discover and purchase products from any merchants through browser use agents.
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Senior Data Scientist III, Community Intelligence Science & Engineering
AmazonBellevue, Washington, United States
$151k1mo
Design and deploy production ML forecasting systems and AI-powered analytics platforms to analyze Amazon's impact on local communities and embed insights into operational models.
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Sr. Applied Scientist, Agent Evaluation and Experimentation, DTx Science
AmazonNew York, New York, United States
$167k1mo
Lead agent evaluation, impact measurement, and experimentation for generative AI and agentic solutions to improve the advertiser experience on Amazon Ads Console.
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Applied Science Manager, Sponsored Products and Brands
AmazonSeattle, Washington, United States
$184k1mo
Lead a team of applied scientists to develop generative AI solutions for Sponsored Brands advertiser and shopper experiences, building recommendation systems and optimizing ad campaigns.
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Data Scientist UbisoftSingapore, sg 1mo Design, build, and maintain production machine learning models and AI products for player personalization, decisioning, and engagement within live game operations.
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Data Scientist↗ Ubisoft SingaporeSingapore, Singapore 1mo Design, build, and maintain machine learning models and AI products deployed in production to drive player retention, engagement, and business value.
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Applied Scientist, TSI Science
AmazonSeattle, Washington, United States
$143k–$193k1mo
Build advanced machine learning systems using GenAI/LLM/VLM to detect eCommerce fraud, evaluate risk, and automate operations for millions of daily transactions.
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Staff Applied Science Manager InMobiBangalore 1mo Lead and grow a team of data scientists to build, experiment, and deploy ML models for InMobi's DSP and Glance agentic commerce platforms.
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Applied Scientist III, AWS Startups
AmazonSeattle, Washington, United States
$167k–$226k1mo
Build ML capabilities for AWS Startup Advisor, an AI-powered service providing proactive recommendations and personalized technical guidance to hundreds of thousands of startup founders.
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Applied Scientist, Advertiser Growth Engine
AmazonNew York, New York, United States
$172k–$223k1mo
Research, design, and create machine learning solutions to localize multi-media advertising contents (text, images, videos) and enable international expansion for advertisers across Amazon's multi-marketplace advertising platform.
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2027 Applied Scientist Internship – PhD, Amazon University Talent Acquisition
AmazonEspaña
1mo
Design and develop end-to-end machine learning systems for product discovery, catalogue quality, and autonomous agentic shoppers at Amazon.
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Software Development Engineer - Shopping Personalization AI, Amazon Stores
AmazonTel Aviv-Yafo, Tel Aviv, Israel
1mo
Design and build production AI features for real-time product discovery and personalized recommendations at Amazon scale.
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Principal Data Scientist - Consumer GopuffRemote $180k1mo Technical lead for consumer personalization, designing and shipping recommendation, ranking, and agentic AI models for search, browse, carts, and marketing.
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2027 Applied Scientist Internship – PhD, Amazon University Talent Acquisition
AmazonLondon, England, United Kingdom
1mo
Design and implement state-of-the-art AI/ML systems for production deployment across diverse domains like video quality, shopping AI, and infrastructure observability.
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Senior Data Scientist↗ Neotalent ConclusionBarcelona, Catalonia, Spain 1mo Senior Data Scientist building production ML solutions for retail-fashion assortment planning, inventory optimization, and generative AI reporting.
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Senior Applied Scientist
AmazonNewark, New Jersey, United States
$184k–$249k1mo
Solve large complex real-world problems at scale by inventing and extending scientific approaches, models, and algorithms for undefined business use cases in audio storytelling.
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2027 Applied Scientist Internship – PhD, Amazon University Talent Acquisition
AmazonMadrid, Community of Madrid, Spain
1mo
Design and implement end-to-end machine learning systems to solve complex catalogue quality, product discovery, and autonomous agent challenges at Amazon.
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Sr. Manager, Applied Science, Sales AI - Amazon Ads
AmazonSeattle, Washington, United States
$219k–$296k1mo
Lead a team of applied scientists and engineers to build AI models that analyze advertiser growth journeys and generate personalized recommendations for sales teams.
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Middle Applied Scientist NixRemote 1mo Improve how customers discover, evaluate, and select content for AI training datasets by owning scientific projects from problem framing through recommendation.
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Sr. Applied Researcher — AI/ML eBayToronto, CA 1mo Design and advance machine learning and generative AI research agendas, translating findings into production systems for seller pricing and listing decisions.
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Applied Scientist III, Sponsored Products
AmazonNew York, New York, United States
$184k1mo
Develop rigorous methods using experimentation, causal inference, and machine learning to understand how traffic sources and customer journeys influence purchasing and revenue for Amazon's Sponsored Products.
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Sr. Applied Scientist, Prime Video - Title Lifecycle Presentation
AmazonSeattle, Washington, United States
$167k–$226k1mo
Build sophisticated machine learning systems for content presentation and discovery on Prime Video, leveraging data signals to drive customer engagement.
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Senior Applied Scientist, International Seller Services
AmazonSeattle, Washington, United States
$167k–$226k1mo
Design and develop scalable LLM-based solutions to address complex language challenges in seller acquisition, content generation, and catalog understanding for Amazon's global marketplaces.
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Senior Data Scientist (f/m/d) AwinRemote 1mo Senior Data Scientist leading end-to-end ML solutions, forecasting, and recommendation systems to drive commercial decision-making and product enhancement.
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Senior Engineering Manager, Applied AI & Agentic Commerce Intelligence↗ AppleSingapore, S00, SG 1mo Leading the applied intelligence layer powering Store, Shopping, Learning, and Decision Intelligence experiences for Apple internal teams, partners, and customers across 38+ locales.
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