Ad Tech and Ranking
546 open positions
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Applied Scientist, Observability and Triage, Prime Video Amazon Development Centre LimitedLondon, UK 3mo Develop AI-driven solutions to automatically detect anomalies, identify root causes, and recommend resolution paths for operational incidents in Prime Video's streaming infrastructure.
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Applied Scientist II, Vertical Search Relevance
AmazonBengaluru, Karnataka, India
3mo
Design, develop, and deploy high-performance machine-learned ranking models for vertical product search to improve customer search experience.
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Applied Scientist II, Amazon, Amazon
AmazonSeattle, Washington, United States
$143k–$143k3mo
Building conversational capabilities of large language models to improve shopping on Amazon.
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Ads Conversion Modeling, Machine Learning Engineering Manager RedditRemote $230k–$230k3mo Leading the machine learning team to develop and maintain predictive models for Reddit Ads lower funnel conversions (purchase, signup, add to cart).
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Manager, Data Scientist, Travel Intelligence, Hotels CapitaloneMcLean, VA, US $197k–$197k3mo Own end-to-end technical strategy for Search & Sort and Pricing Optimization in the Hotels domain, transforming travel data into personalized experiences.
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Staff Data Scientist - Viewer experience JiostarBengaluru 3mo Lead the development of sophisticated recommendation algorithms that power personalized content discovery across JioStar's platform, driving user engagement and retention.
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Senior Machine Learning Developer, Advertiser Growth↗ Unity South Apac (sea, Anz, Ind Subcont.)Ontario, Canada 3mo Architect GenAI systems for creative generation, design budget pacing algorithms, and build high-scale billing pipelines to ensure financial integrity and marketplace stability for advertisers.
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Machine Learning Scientist 5 - Sales, Ads DSE NetflixUSA - Remote $466k–$466k4mo Lead AI/ML initiatives to automate sales workflows and build AI agents that help sales teams close deals faster and scale ad revenue.
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Applied Science Manager, Prime Video - Content Localization, Understanding & Enrichment
AmazonSeattle, Washington, United States
$184k–$249k4mo
Lead a team of scientists and engineers to build systems that analyze video content (characters, scenes, dialogue, events) to enable content moderation, metadata generation, and ad placement on Prime Video.
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Machine Learning Manager - Advertising Science↗ WayfairBoston, MA, US 4mo Lead a team building GenAI-powered creative optimization, ML-based recommendation systems, and agentic chat interfaces to drive personalized advertising and campaign automation for suppliers.
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Principal Applied Scientist, Music Catalog and Search, Amazon Music Search and Catalog
AmazonSan Francisco, California, United States
$229k–$309k4mo
Define and execute the applied science roadmap for Amazon Music catalog and search systems, leveraging foundation models to enhance content intelligence and customer discovery experiences.
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Senior Machine Learning Engineer II, Growth Modeling InstacartRemote $206k–$206k4mo Tech lead driving major initiatives and ML/AI solutions in the incentive space to optimize allocation and drive business growth.
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Senior Manager, Data Science - Styling Algorithms Stitch FixRemote USA $200k–$200k4mo Lead a team of ML engineers and data scientists to develop and deploy styling algorithms that empower human stylists to personalize fashion recommendations and client experiences.
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Senior Applied AI Scientist (AI Marketplace) PreplyBarcelona 4mo Design and deploy intelligent systems for real-time tutor-learner matchmaking, personalized learning journeys, and marketplace integrity in a global EdTech platform.
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Technical Delivery Lead - Machine Learning Beyond SportsNederland 4mo Leading technical teams to build and scale AI-driven systems that transform live sports data into immersive digital experiences.
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Applied Science Manager, Prime Video - Content Localization, Understanding & Enrichment↗ Amazon.ComSeattle, WA, US $184k–$249k4mo Lead a team of scientists and engineers to build systems that analyze video content (characters, scenes, dialogue, events) to enable content moderation, metadata generation, and ad placement on Prime Video.
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Member of Technical Staff - Recommendation Systems xAIPalo Alto, CA $180k–$180k4mo Designing and architecting recommendation algorithms, ranking systems, and search technologies to connect users with relevant content and experiences for a platform with 600 million monthly users.
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Senior Data Scientist, AdTech Tribe, Growth Alliance (f/m/x) HelloFreshWarszawa, Masovian Voivodeship, Poland 4mo Maximize performance of Search channels to increase return on investment for marketing budget and drive marketing efficiency.
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Manager, Machine Learning, Apple Store Online↗ AppleAustin, TX, US $198k–$198k4mo Lead the Online Retail Decision Automation team to develop next-generation algorithms for product search, recommendation systems, personalization, and Generative AI to drive the Apple Online Store experience.
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Data Scientist MayflowerLimassol, Cyprus 4mo Develop and deploy machine learning models for prediction, classification, and anomaly detection within a high-load partner advertising system.
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Director of Data Science & AI GlovoBarcelona 4mo Lead machine learning initiatives for user discovery, top-of-funnel growth, and marketing technology (Martech) across 65+ global markets.
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Data Scientist - AI & Innovation Team AdzunaFulham, United Kingdom $50k–$50k4mo Design, build, and deploy production-grade machine learning models and recommendation systems to optimize job search experiences and personalization for millions of users.
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Applied Science Manager, Prime Video Personalization & Discovery
AmazonSunnyvale, California, United States
$184k–$184k4mo
Lead a science team to develop and launch AI solutions for Prime Video's recommendation and personalization systems, serving millions of customers worldwide.
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Applied Scientist II, Selling Partner Growth
AmazonSeattle, Washington, United States
$143k–$193k4mo
Designing and executing GenAI-driven science projects to improve seller growth strategies and create agentic experiences for sellers.
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Applied Science Manager, Personalization
AmazonHaifa, Haifa, Israel
4mo
Lead a team building Amazon's next-generation customer memory and personalization systems that extract, curate, and reason over customer knowledge to power real-time personalization.
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Senior Applied Scientist , Prime Video Ads
AmazonArlington, Virginia, United States
$167k–$167k4mo
Building intelligent systems to personalize advertising decisions for 100M+ customers across 100k+ titles on Prime Video, addressing challenges like signal sparsity and heterogeneous responses.
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Machine Learning / Deep Learning Engineer Smadex SluBarcelona 4mo Designing, implementing, and deploying full-stack scalable data analytics and machine learning solutions to solve business challenges in programmatic advertising, specifically addressing unique modeling issues like extreme positive sample sparsity and…
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Sr. Applied Scientist, Alexa Excellence AI Ops, Alexa Excellence AI Ops
AmazonChennai, Tamil Nadu, India
4mo
Leading research and development of machine learning and statistical models to ensure Alexa's reliability at massive scale for hundreds of millions of global customers.
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Applied Scientist II, Sheriff Team- Payroll tech
AmazonHyderabad, Telangana, India
4mo
Developing and maintaining ML and Generative AI applications for Payroll Operations and Amazon employees, including anomaly detection, intelligent ticket prioritization, virtual assistance, and automated policy extraction.
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Data Scientist, Next Gen Recommendation Systems ImpactNew York City - Hybrid $100k–$100k4mo Build next-generation graph-based recommendation systems for a commerce partnership platform, surfacing relevant advertisers, creators, and products across a multi-entity network.
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AI Scientist 2 IntuitBangalore, Karnataka 4mo Design, build, and deploy machine learning models in AI-native apps to improve relevance and personalization algorithms for customers.
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Senior Data Scientist TeadsParis, Ile-de-France 4mo Develop and deploy high-throughput machine learning models for real-time ad delivery, focusing on CTR prediction, online learning, and high-dimensional embeddings to drive campaign outcomes.
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Senior Data Scientist ThrivemarketThrive Market HQ $175k–$175k4mo Transform data into insights, models, and systems to shape the e-commerce grocery journey, powering search, recommenders, personalization, and lifecycle engagement for over 1.7M members.
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Senior Data Scientist CarGurusBoston (1001 Boylston Street) $144k–$144k4mo Implement, train, and test machine learning models for CarGurus's international products (UK and Canada) to support Search Ranking, Recommendations, and Instant Market Value algorithms.
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Sr. Data Scientist (AI & ML) Delivery-HeroDubai, Dubai, ae 4mo Improve decision quality across product and business by owning the data value chain and implementing ML/GenAI systems to enhance user experiences and operations.
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Senior Applied Scientist, Funnel Agentic Intel↗
AmazonNew York, NY, US
$167k–$226k4mo
Design, build, and evaluate agentic systems that plan multi-step workflows, invoke tools, and take autonomous actions across Amazon Ads products to simplify campaign planning, launch, and optimization for advertisers.
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Data Scientist/ML Engineer (m/f/d) Job ID 2026-1514 WebmdRemote 4mo Develop and optimize recommender systems to drive user engagement and support business strategy for a digital health community of doctors.
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Applied Scientist II, Strategic Account Services (SAS)
AmazonLondon, UK
4mo
Lead the development of sophisticated AI solutions leveraging deep learning, LLMs, and advanced machine learning techniques to transform seller operations and internal consultancy capabilities at scale.
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Applied Scientist II, Strategic Account Services (SAS) Amazon EU Sarl - D67Remote 4mo Lead the development of sophisticated AI solutions leveraging deep learning, LLMs, and advanced machine learning techniques to transform seller operations and internal consultancy capabilities at scale.
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Applied Scientist, EU INTech Consumer Selection Discovery, EU InTech Consumer Selection Discovery
AmazonMadrid, Community of Madrid, Spain
4mo
Design, develop, and support state-of-the-art machine learning models (text-to-image and image-to-text) to surface relevant content and enable new customer experiences for Amazon's global catalog and search.
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Principal Applied Scientist, Amazon Payments
AmazonSeattle, Washington, United States
$199k–$269k4mo
Setting the direction for Amazon Payments AI/ML services, including recommendation, prediction, and GenAI platforms for SOP automation, while mentoring a team of applied scientists.
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Senior Data Scientist, JP Seller Services
AmazonTokyo, Japan
5mo
Develop AI-native science solutions and innovative products to enable seller growth and success on Amazon Marketplace through advanced analytics, machine learning, and generative AI.
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Senior Applied Scientist UiPathRemote 5mo Build, optimize, and deploy scalable machine learning models at the intersection of research and product to solve complex real-world problems.
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Senior Applied Researcher
DatabricksAmsterdam, Noord-Holland
5mo
Designing and deploying agentic workflows, deep learning retrieval, and ranking models for personalized e-commerce recommendations at scale.
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Senior Applied Scientist, Measurement, Ad Tech, and Data Science (MADS)
AmazonToronto, Ontario, Canada
$196k–$327k5mo
Develops and implements machine learning models for strategic media planning, measurement, and optimization to help advertisers understand ad spend value and execute plans.
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