Several People Are Tuning:Data and ML at Slack

About Me●Slack’s Head of Data Engineering

●Used to work at Cloudera, Google, other places

●Wrote popular tweet that I’m sort of tired of talking about

●Only owns one hat

Our Mission:To make people’s workinglives simpler, more pleasant,and more productive.

Investing in Data(when you’re not an ad/fintech company)

Data Is A Portfolio Business

The Vision Thing

Org Stuff: Analytics, Data, SLI

In The Beginning...

Enter Data Engineering

ProdMySQL

(sharded), Solr, Redis

Third Party

Data WarehouseS3, Hive, Spark, Presto, MySQL

Webapp(Apache, PHP)

Sqooper

Logs (via

Kafka)

The Ghost City

Staffing Up

Sprucing Up The Place

The Nature of the Work

The Product Problem

“We Don’t Sell Saddles”

Building A Knowledge Base

Weird, Wonderful ML

Minimum Viable Data Products

Running Experiments

Channel Recommendations

Data Models for Serving

Giant Shoulders

Thanks! We’re hiring!