DataExpert.io

Founder

Ardent AI

I think AI will disrupt data engineering in a significant way. I’m investing in Ardent to accelerate that disruption!

Angel Investor

Peony Health

I invested in Peony Health because I believe habits are greatly impacted by neurochemistry and Susie Chen is a technical founder with business chops who will deliver on their mission

Illuminate AI

I'm one of the new Bay Area chapter leads for Illuminate AI! 

I help make events better and build this community to the next level!

Chapter Lead

Mage

I'm advising Mage on how to make a data engineering friendly Airflow competitor that will be the next generation of job orchestration!

Advisor

SylphAI

I’ve invested in SylphAI because I’m passionate about building community in AI that helps everyone meet their growth goals and fulfill their potential

Airbnb

Changed Airbnb's availability definition from "did a host set a rule that blocked this night" to "can a trip be booked that contains this night" 

Consolidate the availability definition across the company. Saving >500 TBs in the cloud and shrinking the data set to 3% its old size.


Decreased the landing time of Airbnb's unit economics dataset from 3 days to 1 1/2 days. Built a long-term roadmap to further increase the quality of this critical dataset. 

Improved the quality of online systems at Airbnb to be easily compilable by Spark pipelines to compute metrics offline. 

Lead a team of 6 engineers to deliver on the MIDAS initiative to increase the data quality of the Commercial Products org. 

Upleveled smart pricing at Airbnb by improving the feature engineering and latency of the data used to train the smart pricing model.

Staff Data Engineer - TC $600k ($220k Salary $320k Stock $60k bonus)

Netflix

Built a machine learning feedback system that allowed security engineers to label corporate user behavior as risky or not risky.

Built Asset Inventory - a graph database solution that is a map of all of Netflix's cloud infrastructure.

Senior Software Engineer - TC ~$575k ($550k salary + 5% options)

I built a pipeline that measures the cloud infrastructure impact on AB tests, saving Netflix millions by allowing them to make smarter AB test rollout decisions.

Senior Data Engineer - TC ~$365k ($365k salary + 5% options)

Facebook

- Managed a 10 PB+ Hive data warehouse
- Consolidated and conformed company-wide growth metrics (across WhatsApp, Instagram, Messenger, and Facebook) into a single, company-wide view. 
- Optimized machine learning feature set generation pipelines (200+ TB/day) from having a 4 day latency to having a 1 day latency. While also dropping compute costs for those pipelines 4x. 
- Reduced core notification data set latencies from 36 hours to < 8 hours. 
- Migrated 50% of notifications pipelines from using Hive to use Spark, Presto, or real-time streaming.
- Cut compute cost from notifications pipelines by 40% over the course of 9 months.

Data Engineer - TC $185k ($135k salary, $50k stock)

Red Pika Labs

I run the technology show for a startup company I helped found called Red Pika Labs. The company tech stack is completely in JavaScript right now. Our first product, Art Lineup (https://www.artlineup.me) launched in March 2017 and has been getting better ever since then!

Tech stack is:
AngularJS frontend on web
React Native frontend on mobile
NodeJS backend
Postgres Database

I love to teach. I post about #dataengineering and #mentalhealth daily. 

Many years of data engineering experience doing growth analytics at Facebook, security infrastructure at Netflix, and pricing and availability infrastructure at Airbnb. 

You can find me by looking up EcZachly on all social networks 

You can search my entire content archive at https://www.dataexpert.io/search

I’m 90% sure I’m going to be raising some money for DataExpert.io and TechCreator.io soon. 

Here are the stats:

- founded in March 2023 
- 50,000 free users 
- 3,000 paid users (average revenue per user $907)
- $2.7m lifetime revenue, growing 50% year-over-year
- total employees (2): me and Mitali Gupta 
- leveraged AI to increase margins 15% between 2023 and 2024 
- operate at 80%+ margins right now (although this will change so we can compete with Maven and Skool)
- strong business partnerships with Starburst, Snowflake, Astronomer and Tabular (now part of Databricks) 
- over 1.2 million followers across social media with at least 100k followers on six platforms
- spent zero dollars on ads to get here 
- the cap table right now is I am the sole shareholder having raised no money to get to this point 

Our vision is to take on college and create the personalized, scalable education system of the future teaching leveraging AI and the most talented technical educators to teach the job skills of the future.

If you’re interested in being a part of this journey and want to talk, send me an email at zach@dataexpert.io

Zach Wilson

Founder of DataExpert.io | ADHD | 1m Followers | Dogs

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