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Building Data Science Teams
- 1. Building Data Science Teams
- 2. v @jeremystan Instacart Value Proposition Groceries from stores you love delivered to your doorstep in as little as an hour + + + =
- 3. v @jeremystan Customer Experience Select a Store Shop for Groceries Checkout Select Delivery Time Delivered to Doorstep
- 4. v @jeremystan Shopper Experience Accept Order Find the Groceries Out for Delivery Delivered to DoorstepScan Barcode
- 5. v @jeremystan Four Sided Marketplace Customers Shoppers Products (Advertisers) Search Advertising Shopping Delivery Customer Service Inventory Picking Loyalty Stores (Retailers)
- 6. @jeremystan Personalize Grocery Shopping Optimally Assign Shoppers Data Science @ Instacart Predict Shopping & Travel Times
- 7. v @jeremystan Building Data Science Teams Everything we don’t know Me Smarter People
- 8. v @jeremystan What is Data Science? Data Products Decision Science ● Mission driven ● Engineering collaboration ● Question driven ● Leadership collaboration MVP Product Market Fit Usage Data Machine Learning A/B Testing Improved Product Complication Data Collection Analysis Visualization Communication Decision
- 9. v @jeremystan Data Product: Personalization ↑ Items per Order MVP Product Market Fit Usage Data Machine Learning A/B Testing Improved Product Millions of purchases Basket Purchased Mission: Increase basket size through personalization
- 10. v @jeremystan Decision Science: Growth Complication Data Collection Analysis Visualization Communication Decision 3 years 200 variables Time Cohort Reorder ● Acquisition tactics ● Product roadmap (A/B test ideas) ● Pricing considerations ● Quality of service focus ● Appeasement strategy Question: How to improve a declining user cohort reorder rate?
- 11. @jeremystan Commitment CoreData ● Data driven ● Personalized ● Optimized ● Critical ● Novel ● Impactful ● MVP ● Control ● Signal When? Beware the HIPPO!
- 12. @jeremystan Standalone IntegratedEmbedded Data Science driven Strength: Autonomy Weakness: Marginalization Sit: Colocated Organization Problem driven Strength: Flexibility Weakness: Missing Context Sit: Split Mission driven Strength: Ownership Weakness: 0 to 1 Sit: With engineers
- 13. v @jeremystan By Size & Priority 1 - 5 Engineers Data Products Decision Science You Embedded Embedded No IdeaStandalone Integrated Platform 6-20 Engineers 21-100 Engineers 101+ Engineers Advice
- 14. @jeremystan Mission Driven Working GroupsIntegrated ● Aligned with products ● Operate independently ● Cross eng team & org ● Single threaded leader ● All skills necessary ● Open code base How Instacart Organizes Engineering ConsumerLogistics Availability Fulfillment Growth Experience Orders 1 6 15 Designer Data Scientist Engineer Mobile ProductAnalyst Rare Matrixed Empowered
- 15. @jeremystan Build an Engine Experience > SellingObjective First ● You don’t “find” talent ● Practice makes perfect ● Amortize investments ● Challenges ~= work ● Experience the culture ● De-risk the decision ● Automate technical ● 360° cultural ● Delay bias (if not avoid) Hiring Principles
- 16. v @jeremystan Hiring Goals success independent of gender, ethnicity, age, etc. Consume less than 10% of the team’s time 65% of offers extended should be accepted Make offers to 80% of great candidates entering funnel 90% of hires should be exceptional Diversity: Effort: Success: Loss: Accuracy:
- 18. v @jeremystan Technical Hiring Rubric Problem Structuring Objective, assumptions & scope Technical Rigor Reliable, readable and flexible Analytical Rigor Logically sound & complete Communication Clear description of work & sharp Q&A
- 19. v @jeremystan Culture Constantly pulled in different directions Fun, but not very productive Feels like we have superpowers ● Insufficient infrastructure ● Underinvested in BI ● Ambiguous priorities ● Low risk tolerance ● Weak engineering partnership ● No leadership sponsorship ● Misguided focus ● Over-invested ● Data is democratized ● Science is table stakes ● Investing in productivity ● Recognized for impact
- 20. @jeremystan SQL SharingEducation ● SQL for all! ● Blazer at Instacart ● DS Demos ● Lunch & Discuss ● Intro Stat Learning ● Engineer → Machine Learning Data Democratization fast.ai
- 22. v @jeremystan Half And Half Ultra Pasteurized Sweet & Salty Nut Granola Bars Peanut Pub Mix Nutri Grain Bars Multi Pack Trail Mix Original Rice Krispies Treats Apples Cheez-It Baked Snack Crackers Dry Roasted Almonds Zero Calorie Cola Crunchy Oats 'n Honey Granola Bars Original Beef Jerky Cheez-It Cheddar Cracker Popcorn Milk Chocolate Almonds 0% Greek Strained Yogurt Extra Fancy Unsalted Mixed Nuts Pink Lady Apples with Crispy Almonds Cereal Original Almondmilk Clementines Half And Half Cream French Vanilla Coffee Creamer Orange & Lemon Flavor Sparkling Fruit Beverage Cinnamon Brown Sugar Breakfast Biscuits Half Baked Frozen Yogurt The Tonight Dough™ Ice Cream Americone Dream® Ice Cream Half Baked® Ice Cream Phish Food® Ice Cream Milk and Cookies Ice Cream Sicilian Pistachio Chocolate Peanut Butter Cup Gelato Birthday Cake Light Ice Cream Cherry Garcia Ice Cream Strawberry Ice Cream Vanilla Bean Light Ice Cream Coffee Ice Cream Roman Raspberry Sorbetto Mediterranean Mint Gelato Caramel Cookie Crunch Gelato Chocolate Chip Cookie Dough Ice Cream Mint Chip Coconut Almond Minis Frozen Dessert Bars Mint Chocolate Chip Ice Cream Chocolate Peanut Butter Ice Cream Vanilla Milk Chocolate Almond Ice Cream Bars Sea Salt Caramel Gelato Vanilla Bean Ice Cream Rising Crust Pepperoni Pizza https://tech.instacart.com/3-million-instacart-orders-open-sourced-d40d29ead6f2
- 23. v @jeremystan In Parting “If everything seems under control, you're not going fast enough.” ― Mario Andretti
- 24. WE’RE HIRING! @jeremystan | e-mail: jeremy.stanley@instacart.com careers: careers.instacart.com