Engineer1999/A-Curated-List-of-ML-System-Design-Case-Studies: This repository contains a curated collection of 300+ case studies from over 80 companies, detailing practical applications and insights into machine learning (ML) system design. The contents are organized to help you easily find relevant case studies based on industry or specific ML use cases.

1 Stripe Fintech and banking Prevent fraudelent transactions How we built it: Stripe Radar 2023 2 Walmart E-commerce and retail Recommend complementary items Personalized ‘Complete the Look’ model 2023 3 Uber Delivery and mobility Forecast demand for airport rides Demand and ETR Forecasting at Airports 2023 4 Pinterest Social platforms Prevent advertiser churn An ML based approach to proactive advertiser churn prevention 2023 5 Stitch Fix E-commerce and retail Generate ad headlines A New Era of Creativity: Expert-in-the-loop Generative AI at Stitch Fix 2023 6 Swiggy Delivery and mobility Recommend items to order Building a mind reader at Swiggy using Data Science 2023 7 Microsoft Tech Diagnose production incidents with LLM Large-language models for automatic cloud incident management 2023 8 Foodpanda Delivery and mobility Optimize menu sorting order Menu Ranking 2023 9 Zillow E-commerce and retail Estimate the house market value Building the Neural Zestimate 2023 10 Airbnb Travel,E-commerce and retail Identify user interests Prioritizing Home Attributes Based on Guest Interest 2023 11 GitHub Tech Generate code and code suggestions Inside GitHub: Working with the LLMs behind GitHub Copilot 2023 12 DoorDash Delivery and mobility Optimize courier waiting time Lifecycle of a Successful ML Product: Reducing Dasher Wait Times 2023 13 Linkedin Social platforms Select best payment gateway Improving the customer’s experience via ML-driven payment routing 2023 14 Wayfair E-commerce and retail Predict delivery times Delivery-Date Prediction 2023 15 Linkedin Social platforms Detect viral spam Viral spam content detection at LinkedIn 2023 16 Lyft Delivery and mobility Recommend content in app The Recommendation System at Lyft 2023 17 Honeycomb Tech Generate queries with natural language All the Hard Stuff Nobody Talks About when Building Products with LLMs 2023 18 Zalando E-commerce and retail Forecast demand in fashion e-commerce Deep Learning based Forecasting: a case study from the online fashion industry 2023 19 Etsy E-commerce and retail Recommend relevant marketplace items How We Built a Multi-Task Canonical Ranker for Recommendations at Etsy 2023 20 Yelp Social platforms Organize e-commerce content using embeddings Yelp Content As Embeddings 2023 21 Monzo Fintech and banking Select relevant marketing messages Optimising marketing messages for Monzo users 2023 22 Monzo Fintech and banking Detect patterns in text data Using topic modelling to understand customer saving goals 2023 23 Wayfair E-commerce and retail Predict new product’s sales potential How Wayfair uses “Predicted Winners” Models to Accelerate Success for New Products 2023 24 Airbnb Travel,E-commerce and retail Personalized listing search Learning To Rank Diversely 2023 25 Twitter Social platforms Recommend interesting tweets Twitter’s Recommendation Algorithm 2023 26 DoorDash Delivery and mobility Predict if a store is open How DoorDash Upgraded a Heuristic with ML to Save Thousands of Canceled Orders 2023 27 Wayfair E-commerce and retail Identify business customers Hamlet: Wayfair’s ML Approach to Identifying Business Shopper 2023 28 Wayfair E-commerce and retail Detect fraud with embeddings Introducing Melange: A Customer Journey Embedding System for Improving Fraud and Policy Abuse Detection 2023 29 Airbnb Travel,E-commerce and retail Improve travel search experience Building Airbnb Categories with ML & Human in the Loop 2023 30 Spotify Media and streaming Automatically generate ad content How We Automated Content Marketing to Acquire Users at Scale 2023 31 Instacart E-commerce and retail Predict availability of food items How Instacart Modernized the Prediction of Real Time Availability for Hundreds of Millions of Items While Saving Costs 2023 32 Linkedin Social platforms Personalize the homepage feed Enhancing homepage feed relevance by harnessing the power of large corpus sparse ID embeddings 2023 33 Doordash Delivery and mobility Forecast order volumes and deliveries How DoorDash Built an Ensemble Learning Model for Time Series Forecasting 2023 34 Expedia Travel,E-commerce and retail Forecast flight prices Using Synthetic Search Data for Flights Price Forecasting 2023 35 Nextdoor Social platforms Generate engaging email subject lines Let AI Entertain You: Increasing User Engagement with Generative AI and Rejection Sampling 2023 36 Criteo Tech Figure out users’ preferences Recommender systems need a user model 2023 37 Apple Tech Identify objects on images Fast Class-Agnostic Salient Object Segmentation 2023 38 Zillow E-commerce and retail Identify and block unwanted callers SpectroBrain: Detecting Phone Spam with Semi-Supervised Learning 2023 39 Algolia Tech Suggest relevant search queries Feature Spotlight: Query Suggestions 2023 40 Netflix Media and streaming In-video search Building In-Video Search 2023 41 Grab Delivery and mobility,Banking and finance Automatically tag sensitive data LLM-powered data classification for data entities at scale 2023 42 Doordash Delivery and mobility Accurately forecast demand during holidays How DoorDash Improves Holiday Predictions via Cascade ML Approach 2023 43 Netflix Media and streaming Personalize video clips The Next Step in Personalization: Dynamic Sizzles 2023 44 BlaBlaCar Delivery and mobility Prevent phishing and payment fraud How we used machine learning to fight fraud at BlaBlaCar — Part 1 2023 45 Instacart E-commerce and retail Personalize user experience by recommending relevant products Using Contextual Bandit models in large action spaces at Instacart 2023 46 Pinterest Social platforms Recommend similar visual content Training Foundation Improvements for Closeup Recommendation Ranker 2023 47 Spotify Media and streaming Recommend new complementary music Spotify Track Neural Recommender System 2023 48 Meta Social platforms Generate code with LLM Introducing Code Llama, a state-of-the-art large language model for coding 2023 49 Grammarly Tech Suggest gender-inclusive grammatical error corrections Improving the Performance of NLP Systems on the Gender-Neutral “They” 2023 50 Netflix Media and streaming Detect speech and music in audio Detecting Speech and Music in Audio Content 2023 51 Salesforce Tech Extract relevant information from a knowledge article Resolve Cases Quickly with Interactive Einstein Search Answers 2023 52 Etsy E-commerce and retail Show relevant ads Leveraging Real-Time User Actions to Personalize Etsy Ads 2023 53 GitHub Tech AI copilot for code generation How to build an enterprise LLM application: Lessons from GitHub Copilot 2023 54 Uber Delivery and mobility Detect potential fraudulent entities Risk Entity Watch – Using Anomaly Detection to Fight Fraud 2023 55 Expedia Travel,E-commerce and retail Predict Customer Lifetime Value (CLV) Expedia Group’s Customer Lifetime Value Prediction Model 2023 56 Dailymotion Media and streaming Recommend diversified video content Reinvent your recommender system using Vector Database and Opinion Mining 2023 57 Swiggy Delivery and mobility Predict food delivery time Where is my order? — Part I 2023 58 Swiggy Delivery and mobility Сonversational and open-ended search Swiggy’s Generative AI Journey: A Peek Into the Future 2023 59 New York Times Media and streaming Recommend recipes to readers How The New York Times Cooking Team Makes Personalized Recipe Recommendations 2023 60 Expedia Travel,E-commerce and retail Suggest diverse travel recommendations Generating Diverse Travel Recommendations 2023 61 Stitch Fix E-commerce and retail Personalize styling recommendations Accelerating AI: Implementing Multi-GPU Distributed Training for Personalized Recommendations 2023 62 Doordash Delivery and mobility Areas for using Generative AI DoorDash identifies Five big areas for using Generative AI 2023 63 Etsy E-commerce and retail Search by image From Image Classification to Multitask Modeling: Building Etsy’s Search by Image Feature 2023 64 Spotify Media and streaming Generate audio podcast previews Large-Scale Generation of ML Podcast Previews at Spotify with Google Dataflow 2023 65 Delivery Hero Delivery and mobility Better understand user behavior Personalisation @ Delivery Hero: Understanding Customers 2023 66 Swiggy Delivery and mobility Predict food delivery time Predicting Food Delivery Time at Cart 2023 67 Netflix Media and streaming Generate content recommendations for users Lessons Learnt From Consolidating ML Models in a Large Scale Recommendation System 2023 68 Linkedin Social platforms Show relevant jobs in search How LinkedIn Is Using Embeddings to Up Its Match Game for Job Seekers 2023 69 Expedia Travel,E-commerce and retail Alert users about optimal deals Increasing Travelers’ Engagement Through Price Alerts 2023 70 Walmart E-commerce and retail Resolve entities and detect relationships Exploring an Entity Resolution Framework Across Various Use Cases 2023 71 Thoughtworks Tech AI copilot for product strategy Building Boba AI 2023 72 Grab Delivery and mobility,Banking and finance Automatically detect new fraud types Unsupervised graph anomaly detection – Catching new fraudulent behaviours 2023 73 Dropbox Tech Identify date formats in file names Is this a date? Using ML to identify date formats in file names 2023 74 Grab Delivery and mobility,Banking and finance Сreate scalable lookalike audiences Stepping up marketing for advertisers: Scalable lookalike audience 2023 75 Wayfair E-commerce and retail Send relevant communications to customers Griffin: How Wayfair Leverages Reinforcement Learning to Send Customers Relevant Communications 2023 76 Whatnot E-commerce and retail Detect marketplace spam How Whatnot Utilizes Generative AI to Enhance Trust and Safety 2023 77 Instacart E-commerce and retail Predict grocery item availability How Instacart’s Item Availability Evolved Over the Pandemic 2023 78 Instacart E-commerce and retail Predict availability of food items Instacart’s Item Availability Architecture: Solving for scale and consistency 2023 79 BlaBlaCar Delivery and mobility Prevent phishing and payment fraud How we built our machine learning pipeline to fight fraud at BlaBlaCar — Part 2 2023 80 Salesforce Tech Summarize Slack conversations AI Summarist: Get Your Time Back on Slack, Boost Productivity & Focus, Personalize Information Consumption 2023 81 Meta Social platforms Show users relevant content at scale Scaling the Instagram Explore recommendations system 2023 82 Delivery Hero Delivery and mobility Recommend restaurants for new customers Personalisation @ Delivery Hero: Ranking restaurants for new users 2023 83 Swiggy Delivery and mobility Predict food delivery time How ML Powers — When is my order coming? — Part II 2023 84 Salesforce Tech Recommend apps in the marketplace On the Diversity and Explainability of Enterprise App Recommendation Systems 2023 85 Grab Delivery and mobility,Banking and finance Optimize promotional campaigns Scaling marketing for merchants with targeted and intelligent promos 2023 86 GitHub Tech Automated code reviews and PR tagging Generative AI-enabled compliance for software development 2023 87 Delivery Hero Delivery and mobility Recommend restaurants Don’t Worry, We Got You: Personalised Model 2023 88 OLX E-commerce and retail Predict order delivery time Machine Learning for Delivery Time Estimation 2023 89 Spotify Media and streaming Target in-app messaging Experimenting with Machine Learning to Target In-App Messaging 2023 90 Nubank Fintech and banking Automatically route customer phone calls Presenting Precog, Nubank’s Real Time Event AI 2023 91 Instacart E-commerce and retail Build an internal AI assistant Scaling Productivity with Ava — Instacart’s Internal AI Assistant 2023 92 Meta Social platforms Translate and transcribe across speech and text Bringing the world closer together with a foundational multimodal model for speech translation 2023 93 Vimeo Media and streaming Customer support AI assistant From idea to reality: Elevating our customer support through generative AI 2023 94 Ebay E-commerce and retail Recommend relevant e-commerce items Building a Deep Learning Based Retrieval System for Personalized Recommendations 2022 95 Mercado Libre Delivery and mobility Predict product dimensions for delivery Predicting package dimensions based on a similarity model at Mercado Libre 2022 96 Doordash Delivery and mobility Recommend substitute items Evolving DoorDash’s Substitution Recommendations Algorithm 2022 97 Pinterest Social platforms Personalize homepage contents How Pinterest Leverages Realtime User Actions in Recommendation to Boost Homefeed Engagement Volume 2022 98 Instacart Delivery and mobility Search food and grocery items How Instacart Uses Embeddings to Improve Search Relevance 2022 99 Walmart E-commerce and retail Assist in e-commerce shopping A Unified Multi-task Model for Supporting Multiple Virtual Assistants in Walmart 2022 100 Spotify Media and streaming Search for podcasts Introducing Natural Language Search for Podcast Episodes 2022 101 Nextdoor Social platforms Predict harmful comments Using predictive technology to foster constructive conversations 2022 102 Walmart E-commerce and retail Fill shopping cart via voice dialog Voice Reorder Experience: add Multiple Product Items to your shopping cart 2022 103 Expedia Travel,E-commerce and retail Categorize customer feedback Categorising Customer Feedback Using Unsupervised Learning 2022 104 Foodpanda Delivery and mobility Classify restaurants and cuisines Classifying restaurant cuisines with subjective labels 2022 105 Ebay Social platforms Recommend products and content Multi-Relevance Ranking Model for Similar Item Recommendation 2022 106 Gousto Delivery and mobility Predict subscription churn Using Data Science to Retain Customers 2022 107 Google Tech Generate summaries Auto-generated Summaries in Google Docs 2022 108 Yelp Social platforms Personalize recommendations Beyond Matrix Factorization: Using hybrid features for user-business recommendations 2022 109 PayPal Fintech and banking Prioritize sales leads Sales Pipeline Management with Machine Learning: A Lightweight Two-Layer Ensemble Classifier Framework 2022 110 Grubhub Delivery and mobility Forecast order volume Forecasting Grubhub Order Volume At Scale 2022 111 Github Tech Detect vulnerabilities in code Leveraging machine learning to find security vulnerabilities 2022 112 Uber Delivery and mobility Detect payment fraud Project RADAR: Intelligent Early Fraud Detection System with Humans in the Loop 2022 113 Gojek Delivery and mobility Predict food delivery times How We Estimate Food Debarkation Time With ‘Tensoba’ 2022 114 Uber Delivery and mobility Predict estimated time of arrival DeepETA: How Uber Predicts Arrival Times Using Deep Learning 2022 115 Trivago Travel,E-commerce and retail Optimize accommodation ranking Explore-exploit dilemma in Ranking model 2022 116 Gousto Delivery and mobility Recommend food items and recipes Gousto R-series Vol 2: Tackling the Cold-Start Problem in Recipe Recommendation Engine 2022 117 Spotify Media and streaming Forecast user activity metrics How We Built Infrastructure to Run User Forecasts at Spotify 2022 118 Google Tech Summarize conversations Conversation Summaries in Google Chat 2022 119 Airbnb Travel,E-commerce and retail Improve travel search experience Building Airbnb Categories with ML and Human-in-the-Loop 2022 120 Uber Delivery and mobility Send timely push notifications How Uber Optimizes the Timing of Push Notifications using ML and Linear Programming 2022 121 Meta Social platforms Personalize daily digest notifications Improving Instagram notification management with machine learning and causal inference 2022 122 Instacart Delivery and mobility Recommend relevant food items Personalizing Recommendations for a Learning User 2022 123 Expedia Travel,E-commerce and retail Rank relevant travel deals How to Optimise Rankings with Cascade Bandits 2022 124 Doordash Delivery and mobility Personalize recommendations on homepage Homepage Recommendation with Exploitation and Exploration 2022 125 Linkedin Social platforms Improve post search functionality Improving Post Search at LinkedIn 2022 126 Artefact Tech Evaluate success of past promotions Forecasting something that never happened: how we estimated past promotions profitability 2022 127 Doordash Delivery and mobility Find high-value merchants Building the Model Behind DoorDash’s Expansive Merchant Selection 2022 128 Grammarly Tech Suggest text edits Under the Hood of the Grammarly Editor, Part Two: How Suggestions Work 2022 129 Amazon Media and streaming Suggest music to listen to The Amazon Music conversational recommender is hitting the right notes 2022 130 Snap Social platforms Rank relevant ads Machine Learning for Snapchat Ad Ranking 2022 131 Instacart E-commerce and retail Autocomplete user searches in e-commerce How Instacart Uses Machine Learning-Driven Autocomplete to Help People Fill Their Carts 2022 132 Zillow E-commerce and retail Select tags for product listings Helping Home Shoppers Find a Home to Love Through Home Insights 2022 133 Netflix Media and streaming Detect account or content fraud Machine Learning for Fraud Detection in Streaming Services 2022 134 Airbnb Travel,E-commerce and retail Improve customer support How AI Text Generation Models Are Reshaping Customer Support at Airbnb 2022 135 Linkedin Social platforms Predict churn and upsell products The journey to build an explainable AI-driven recommendation system 2022 136 Autotrader E-commerce and retail Personalize automotive search results Real-Time Personalisation of Search Results with Auto Trader’s Customer Data Platform 2022 137 Peloton Tech Recommend fitness training videos How We Built: An Early-Stage Machine Learning Model for Recommendations 2022 138 Walmart E-commerce and retail Categorize e-commerce products Semantic Label Representation with an Application on Multimodal Product Categorization 2022 139 Doordash Delivery and mobility Search food and grocery items 3 Changes to Expand DoorDash’s Product Search Beyond Delivery 2022 140 Faire E-commerce and retail Rank e-commerce items (feature store) Real-time ranking at Faire part 2: the feature store 2022 141 New York Times Media and streaming Personalize paywall limits How The New York Times Uses Machine Learning To Make Its Paywall Smarter 2022 142 Linkedin Social platforms Predict ad click-through rate Challenges and practical lessons from building a deep-learning-based ads CTR prediction model 2022 143 Zillow E-commerce and retail Identify customers that are likely to convert Identifying High-Intent Buyers 2022 144 Netflix Media and streaming Recommend content to view Reinforcement Learning for Budget Constrained Recommendations 2022 145 Walmart E-commerce and retail Forecast anomalies in refrigeration Forecast Anomalies in Refrigeration with PySpark & Sensor-data 2022 146 Stitch Fix E-commerce and retail Recommend e-commerce items Client Time Series Model: a Multi-Target Recommender System based on Temporally-Masked Encoders 2022 147 Gojek Delivery and mobility Predict estimated time of delivery How We Estimate Food Debarkation Time With ‘Tensoba’ 2022 148 Zillow E-commerce and retail Extract text features Incorporating Listing Descriptions into the Zestimate 2022 149 Etsy E-commerce and retail Rank marketplace search results Deep Learning for Search Ranking at Etsy 2022 150 Walmart E-commerce and retail Curate e-commerce product recommendations Scaling Product Recommendations using Basket Analysis- Part 1 2022 151 Lyft Delivery and mobility Optimize trip price Pricing at Lyft 2022 152 Grammarly Tech Correct grammatical errors Innovating the Basics: Achieving Superior Precision and Recall in Grammatical Error Correction 2022 153 Twitter Social platforms Recommend accounts to follow Model-based candidate generation for account recommendations 2022 154 Airbnb Travel,E-commerce and retail Improve customer travel experience Intelligent Automation Platform: Empowering Conversational AI and Beyond at Airbnb 2022 155 Swiggy Delivery and mobility Flag incorrectly captured locations Using deep learning to detect dissonance between address text and location 2022 156 Uber Delivery and mobility Verify documents Uber’s Real-Time Document Check 2022 157 Wayfair E-commerce and retail Optimize email sending time and frequency Nightingale: Scalable Daily Sales Email Sending Decision Model 2022 158 Didact AI Fintech and banking Predict stock prices Didact AI: The anatomy of an ML-powered stock picking engine 2022 159 Wayfair E-commerce and retail Identify specific entities within a text Wayfair’s New Approach to Aspect Based Sentiment Analysis Helps Customers Easily Find “Long Tail” Products 2022 160 Oda Delivery and mobility Predict driver’s non-driving time How we went from zero insight to predicting service time with a machine learning model — Part 2/2 2022 161 Wayfair E-commerce and retail Predict intent in customer support messages Building Wayfair’s First Virtual Assistant: Automating Customer Service by Text Based Intent Prediction 2022 162 Linkedin Social platforms Estimate the impact of product changes Ocelot: Scaling observational causal inference at LinkedIn 2022 163 Grab Delivery and mobility,Banking and finance Detect fraud with graph models Graph for fraud detection 2022 164 Lyft Delivery and mobility Make causally valid forecasts Causal Forecasting at Lyft (Part 1) 2022 165 Glassdoor Social platforms Recommend interesting posts to users Personalized Fishbowl Recommendations with Learned Embeddings: Part 2 2022 166 Netflix Media and streaming Improve video quality at scale For your eyes only: improving Netflix video quality with neural networks 2022 167 Glassdoor Social platforms Recommend interesting posts to users Personalized Fishbowl Recommendations with Learned Embeddings: Part 1 2022 168 Dailymotion Media and streaming Recommend diversified video content Optimizing video feed recommendations with diversity: Machine Learning first steps 2022 169 Siemens Healthineers Tech Optimize software testing Using Machine Learning for Fast Test Feedback to Developers and Test Suite Optimization 2022 170 Lyft Delivery and mobility Make causally valid forecasts Causal Forecasting at Lyft (Part 2) 2022 171 Linkedin Social platforms Deliver more relevant job recommendations Improving job matching with machine-learned activity features 2022 172 Cookidoo E-commerce and retail Personalize recipe recommendations Building A Recipe Recommender System For the Thermomix on Cookidoo – Part 1 2022 173 Linkedin Social platforms Improve ML model performance with multitask learning Applying multitask learning to AI models at LinkedIn 2022 174 Netflix Media and streaming Apply causality in experiments and marketing A Survey of Causal Inference Applications at Netflix 2022 175 Pinterest Social platforms Recommend bids for advertizers Advertiser Recommendation Systems at Pinterest 2021 176 Grubhub Delivery and mobility Forecast volume order “I See Tacos In Your Future”: Order Volume Forecasting at Grubhub 2021 177 Slack Tech Detect spam invites Blocking Slack Invite Spam With Machine Learning 2021 178 Faire E-commerce and retail Search and navigate marketplace items Building Faire’s new marketplace ranking infrastructure 2021 179 Doordash E-commerce and retail Predict delivery supply and demand Managing Supply and Demand Balance Through Machine Learning 2021 180 OLX E-commerce and retail Recommend e-commerce items Item2Vec: Neural Item Embeddings to enhance recommendations 2021 181 Dropbox Tech Search by image content How image search works at Dropbox 2021 182 Scribd Media and streaming Extract metadata from documents Information Extraction at Scribd 2021 183 Microsoft Tech Rank customer support cases ML and customer support (Part 1): Using Machine Learning to enable world-class customer support 2021 184 Stitch Fix E-commerce and retail Recommend e-commerce inventory Algorithm-Assisted Inventory Curation 2021 185 Twitter Social platforms Forecast resource usage and cost Forecasting SQL query resource usage with machine learning 2021 186 Google Tech Suggest past photos to look at A snapshot of AI-powered reminiscing in Google Photos 2021 187 Uber Delivery and mobility Identify cash intermediaries Applying Machine Learning in Internal Audit with Sparsely Labeled Data 2021 188 Microsoft Tech Cluster customer support issues by similarity ML and customer support (Part 2): Leveraging topic modeling to identify the top investment areas in support cases 2021 189 Gousto Delivery and mobility Recommend food items and recipes Gousto R-series vol 1: Three tales of the Rouxcommender family 2021 190 Apple Tech Recognize people in photos Recognizing People in Photos Through Private On-Device Machine Learning 2021 191 Pinterest Social platforms Find lookalike users for ad targeting The machine learning behind delivering relevant ads 2021 192 Pinterest Social platforms Detect spam users Fighting Spam using Clustering and Automated Rule Creation 2021 193 PayPal Fintech and banking Detect payment fraud Deploying Large-scale Fraud Detection Machine Learning Models at PayPal 2021 194 Datto Tech Predict hard drive failures Predicting Hard Drive Failure with Machine Learning 2021 195 Bumble Social platforms Detect rude messages Multilingual message content moderation at scale (part 2) 2021 196 Nextdoor Social platforms Send relevant and timely updates Nextdoor Notifications: How we use ML to keep neighbors informed 2021 197 Dropbox Tech Identify best time for renewal charge Optimizing payments with machine learning 2021 198 Swiggy Delivery and mobility Rank restaurants in search Learning To Rank Restaurants 2021 199 Brex Fintech and banking Classify bank transactions How We Built a (Mostly) Automated System to Solve Credit Card Merchant Classification 2021 200 Grammarly Tech Capture what readers pay attention to ATTN: How Grammarly’s NLP/ML Team Figured Out Where Readers Focus in an Email 2021 201 Doordash Delivery and mobility Extract information from images How DoorDash Quickly Spins Up Multiple Image Recognition Use Cases 2021 202 Apple Tech Identify best user experience Interpretable Adaptive Optimization 2021 203 Airbnb Travel,E-commerce and retail Data privacy and security Automating Data Protection at Scale, Part 2 2021 204 Capital One Fintech and banking Identify suspicious account activity How Machine Learning Can Help Fight Money Laundering 2021 205 Wayfair E-commerce and retail Assign color names to products From RGB to Descriptive Color Names: Wayfair’s in-house color algorithms to improve customer shopping experience. 2021 206 Capital One Fintech and banking Automate incident management Automated detection, diagnosis & remediation of app failure 2021 207 Pinterest Social platforms Detect policy-violating comments How Pinterest powers a healthy comment ecosystem with machine learning 2021 208 Spotify Media and streaming Personalize homepage content (podcasts, playlist, music) The Rise (and Lessons Learned) of ML Models to Personalize Content on Home (Part I) 2021 209 Stitch Fix E-commerce and retail Recommend looks Stitching together spaces for query-based recommendations 2021 210 Ocado E-commerce and retail Forecast e-commerce grocery demand Finding the sweet spot 2021 211 Walmart E-commerce and retail Categorize e-commerce products Deep Learning: Product Categorization and Shelving 2021 212 Walmart E-commerce and retail Recommend learning content Mozrt, a Deep Learning Recommendation System Empowering Walmart Store Associates with a Personalized Learning Experience 2021 213 Walmart E-commerce and retail Identify refrigeration defrost Predicting Defrost in Refrigeration Cases at Walmart using Fourier Transform 2021 214 New York Times Media and streaming Recommend content to read Machine Learning and Reader Input Help Us Recommend Articles 2021 215 Mercado Libre E-commerce and retail Forecast demand for e-commerce items Marketplace Forecasting: Sales or Demand? Why not both? Let’s find out! 2021 216 Swiggy Delivery and mobility Rank food dishes in search Using Deep Learning for Ranking in Dish Search 2021 217 PayPal Fintech and banking Recommend financial products Cross-Selling Optimization Using Deep Learning 2021 218 Wayfair E-commerce and retail Automate ads placement and bidding Evolution of Ads Bidding at Wayfair 2021 219 Capital One Fintech and banking Improve cardholder experience Improving Virtual Card Numbers with Edge Machine Learning 2021 220 Shopify E-commerce and retail Categorize e-commerce products Using Rich Image and Text Data to Categorize Products at Scale 2021 221 Scribd Media and streaming Recommend content to read Embedding-based Retrieval at Scribd 2021 222 Swiggy Delivery and mobility Detect fraud in online food delivery DeFraudNet: An End-to-End Weak Supervision Framework to Detect Fraud in Online Food Delivery 2021 223 Amazon E-commerce and retail Predict coordinates of delivery location Using learning-to-rank to precisely locate where to deliver packages 2021 224 PayPal Fintech and banking Predict declined transactions Using Machine Learning to Improve Payment Authorization Rate 2021 225 Stripe Fintech and banking Detect fraud in online payments A primer on machine learning for fraud detection 2021 226 Slack Tech Predict Slack connect invites Email Classification 2021 227 Wayfair E-commerce and retail Recommend furniture items MARS: Transformer Networks for Sequential Recommendation 2021 228 Grammarly Tech Detect grammatical errors Grammatical Error Correction: Tag, Not Rewrite 2021 229 Nordstrom E-commerce and retail Generate outfit combinations AI-Created Outfits 2021 230 Doordash Delivery and mobility Deliver orders on time Using ML and Optimization to Solve DoorDash’s Dispatch Problem 2021 231 Zillow E-commerce and retail Recommend similar homes Improving Recommendation Quality by Tapping into Listing Text 2021 232 Lifen Tech Recognize PDF layout Fast graph-based layout detection 2021 233 PayPal Fintech and banking Prevent repeated payment fraud How PayPal Uses Real-time Graph Database and Graph Analysis to Fight Fraud 2021 234 Bumble Social platforms Detect rude messages Multilingual message content moderation at scale (part 1) 2021 235 Spotify Media and streaming Personalize homepage content (podcasts, playlist, music) The Rise (and Lessons Learned) of ML Models to Personalize Content on Home (Part II) 2021 236 Swiggy Delivery and mobility Estimate travel distance Learning to Predict Two-Wheeler Travel Distance 2021 237 Expedia Travel,E-commerce and retail Personalize travel search results Personalized Ranking Model for Lodging 2021 238 Scribd Media and streaming Classify documents Categorizing user-uploaded documents 2021 239 Meta Social platforms Personalize the newsfeed content How machine learning powers Facebook’s News Feed ranking 2021 240 Google Tech Correct grammatical errors Grammar Correction as You Type, on Pixel 6 2021 241 Nubank Fintech and banking Predict conversions and attract new customers Beyond prediction machines 2021 242 Grammarly Tech Correct grammatical errors Adversarial Grammatical Error Correction 2021 243 Scribd Media and streaming Classify user-uploaded documents Identifying Document Types at Scribd 2021 244 Oda Delivery and mobility Predict driver’s non-driving time How we went from zero insight to predicting service time with a machine learning model — Part 1 2021 245 Mercado Libre E-commerce and retail Predict customer engagement and LTV Causal Inference — Estimating Long-term Engagement 2021 246 Dailymotion Media and streaming Target contextual advertising How Deep Learning can boost Contextual Advertising Capabilities 2021 247 Wayfair E-commerce and retail Optimize digital ads Building Scalable and Performant Marketing ML Systems at Wayfair 2021 248 Wayfair E-commerce and retail Show relevant content to new customers Share of Voice Optimization Engine 2021 249 Wayfair E-commerce and retail Optimize paid media marketing Contextual Bandit for Marketing Treatment Optimization 2021 250 Microsoft Tech Classify cloud workload types How we used ML — and heuristic data labeling — to help customers with their cloud migration 2021 251 Github Tech Help users find contribution opportunities How we built the good first issues feature 2020 252 Linkedin Social platforms Serve personalized learning recommendations A closer look at the AI behind course recommendations on LinkedIn Learning, Part 1 2020 253 Bumble Social platforms Derive information from images Image detection as a service 2020 254 Gojek Delivery and mobility Generate names for pickup points How Gojek Uses NLP to Name Pickup Locations at Scale 2020 255 Mozilla Tech Predict the outcome of software tests Testing Firefox more efficiently with machine learning 2020 256 Adyen Fintech and banking Predict probability of transaction success Optimizing payment conversion rates with contextual multi-armed bandits 2020 257 Wayfair E-commerce and retail Detect payment fraud Explainable Fraud Detection 2020 258 Lyft Delivery and mobility Provide location suggestions How Lyft predicts a rider’s destination for better in-app experience 2020 259 Zillow E-commerce and retail Generate floor plans from photos Zillow Floor Plan: Training Models to Detect Windows, Doors and Openings in Panoramas 2020 260 Linkedin Social platforms Serve personalized learning recommendations A closer look at the AI behind course recommendations on LinkedIn Learning, Part 2 2020 261 Doordash Delivery and mobility Optimize marketing spending Optimizing DoorDash’s Marketing Spend with Machine Learning 2020 262 Etsy E-commerce and retail Personalize e-commerce search Bringing Personalized Search to Etsy 2020 263 Airbnb Travel,E-commerce and retail Rank travel search results Improving Deep Learning for Ranking Stays at Airbnb 2020 264 Wayfair E-commerce and retail Improve search experience for new customers Bayesian Product Ranking at Wayfair 2020 265 Twitter Social platforms Predict value of ad requests Using machine learning to predict the value of ad requests 2020 266 Zynga Gaming Personalize push notification timing Deep Reinforcement Learning in Production Part 2: Personalizing User Notifications 2020 267 Zillow E-commerce and retail Rank homes to buy Guided Search — Personalized Search Refinements to Help Customers Find their Dream Home 2020 268 Picnic Delivery and mobility Predict delivery drop times Optimal drop times using machine learning 2020 269 Shopify E-commerce and retail Categorize e-commerce products Categorizing Products at Scale 2020 270 Gojek Delivery and mobility Target cross-sell to existing users How We Built a Matchmaking Algorithm to Cross-Sell Products 2020 271 PayPal Fintech and banking Detect payment fraud Multi-Domain Fraud Detection While Reducing Good User Declines 2020 272 OLX E-commerce and retail Detect stolen photos Fighting fraud with Triplet Loss 2020 273 Stripe Fintech and banking Detect fraud in online payments Similarity clustering to catch fraud rings 2020 274 Doordash Delivery and mobility Search for restaurants and dishes Things Not Strings: Understanding Search Intent with Better Recall 2020 275 Spotify Media and streaming Recommend shortcuts for homepage Reach for the Top: How Spotify Built Shortcuts in Just Six Months 2020 276 Wayfair E-commerce and retail Recommend complementary products The Visual Complements Model (ViCs): Complementary Product Recommendations From Visual Cues 2020 277 Dailymotion Media and streaming Automatically categorize videos How we used Cross-Lingual Transfer Learning to categorize our content 2020 278 Duolingo Tech Teaching foreign languages How Duolingo uses AI in every part of its app 2020 279 Firefox Tech Automatically assign new untriaged bugs Teaching machines to triage Firefox bugs 2019 280 Dropbox Tech Predict files users search for Using machine learning to predict what file you need next 2019 281 Zoominfo Tech Predict data accuracy Using Machine Learning to Determine Contact Accuracy Scores 2019 282 Airbnb Travel,E-commerce and retail Recommend marketplace items Machine Learning-Powered Search Ranking of Airbnb Experiences 2019 283 Lyft Delivery and mobility Predict location of traffic control elements Detecting Stop Signs and Traffic Signals: Deep Learning at Lyft Mapping 2019 284 Gojek Delivery and mobility Personalize search results The Secret Sauce Behind Search Personalisation 2019 285 Instacart Delivery and mobility Spot lost demand Modeling the unseen 2019 286 Apple Tech Identify text language Language Identification from Very Short Strings 2019 287 Stitch Fix E-commerce and retail Extract information from customer notes Give Me Jeans not Shoes: How BERT Helps Us Deliver What Clients Want 2019 288 Lyft Delivery and mobility Detect errors in maps How Lyft Creates Hyper-Accurate Maps from Open-Source Maps and Real-Time Data 2019 289 King Gaming Automate playtesting pipeline Human-Like Playtesting with Deep Learning 2019 290 Gojek Delivery and mobility Analyse the relevance of search results Is This What You Were Looking For? 2019 291 Lyft Delivery and mobility Build a marketing automation platform Building Lyft’s Marketing Automation Platform 2019 292 Wayfair E-commerce and retail Model uplift Modeling Uplift Directly: Uplift Decision Tree with KL Divergence and Euclidean Distance as Splitting Criteria 2019 293 Gojek Delivery and mobility Accurately forecast demand Under the Hood of Gojek’s Automated Forecasting Tool 2019 294 Lyft Delivery and mobility Predict rides and driver hours Making cohort-based long-term forecasts at Lyft 2019 295 Lyft Delivery and mobility Predict fraudulent activity Fingerprinting fraudulent behavior 2018 296 Netflix Media and streaming Improve streaming quality Using Machine Learning to Improve Streaming Quality at Netflix 2018 297 Lyft Delivery and mobility Identify user fraud From shallow to deep learning in fraud 2018 298 Instacart E-commerce and retail Predict grocery item availability Predicting the real-time availability of 200 million grocery items 2018 299 Lyft Delivery and mobility Personalize marketing offers Empowering personalized marketing with machine learning 2018 300 Instacart E-commerce and retail Optimize food delivery logistics Space, Time and Groceries 2017 301 Airbnb Travel,E-commerce and retail Predict Value of Homes Using Machine Learning to Predict Value of Homes On Airbnb 2017 302 Netflix Media and streaming Improve Streamning Quality Using Machine Learning to Improve Streaming Quality at Netflix 2018 303 Booking.com Travel,E-commerce and retail 150 Successful Machine Learning Models 150 Successful Machine Learning Models: 6 Lessons Learned at Booking.com 2019 304 Chicisimo Fashion and retail Grow User base using vertical ML approch How we grew from 0 to 4 million women on our fashion app, with a vertical machine learning approach 2019 305 Airbnb Travel,E-commerce and retail ML Powered search ranking Machine Learning-Powered Search Ranking of Airbnb Experiences 2019 306 Lyft Delivery and mobility Shallow to deep learning in fraud From shallow to deep learning in fraud 2018 307 Uber Delivery and mobility 100+ Petabytes with Minute Latency Uber’s Big Data Platform: 100+ Petabytes with Minute Latency 2018 308 Dropbox Tech Modern OCR with CV and DL Creating a Modern OCR Pipeline Using Computer Vision and Deep Learning 2017 309 Uber Tech Scaling ML with Michelangelo Scaling Machine Learning at Uber with Michelangelo 2019