Tommy Chheng

Head of Engineering

Speak

Aug 2023 - Current (3 years)

Senior Director of Engineering

WeWork

May 2022 - Jun 2023 (1 year 2 months)

Manage a 50+ distributed organization composed of five departments that are responsible for the core systems which power our private office offerings and our membership subscription products. * Established an engineering vision for the organization and roadmap to develop WeWork’s Partner API offering to allow franchises’ and partners’ integrations. * Led company wide initiatives including running quarterly engineering excellence days to reduce technical complexity and outages. * Hired 10 engineers and 2 engineering managers by partnering with recruiters to create an interview panel. * Received the highest eNPS score for management in the tech organization. Maintained less than 5% resignation rate.

Director of Engineering

WeWork

Mar 2020 - May 2022 (2 years 3 months)

Identity and Access Management: * Shipped business impactful projects while managing attrition during this fallout period of the failed IPO. * Managed 3 teams(Auth, Identity Accounts & Memberships and Access) with 2 EMs * Help set the company tech roadmap and engineering excellence projects to increase quality/stability with less people. Led the simplification of WeWork's tech stack by migrating from an in-house developed authN system to Auth0, a SaaS offering to reduce costs while increasing functionality. Also lead the team in a unified mechanism for determining employee authorization and auditing.

Senior Engineering Manager

WeWork

May 2019 - Mar 2020 (11 months)

Lead new subscription product developments to maximize WeWork's under utilized spaces at a lower price point.

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Head Of Engineering

Jul 2018 - May 2019 (11 months)

Technical Head of Engineering for developing a booking platform on the ethereum platform. Large experimental stack utilizing common web technologies (react, nodejs, graphql) with smart contracts developed on Ethereum. Project was sunset, code was open sourced ( https://github.com/thebeetoken ) and engineering group moved as a team to WeWork.

Technical Consultant

HBO

Jan 2017 - Jul 2017 (7 months)

Technical Consultant for Silicon Valley Season 4. Advised story plots and props for SV authenticity.

Senior Software Engineer

Tumblr

Jul 2015 - Jun 2018 (3 years)

As part of the Activity and Notes Team: * Was a lead engineer on the Tumblr Notes redesign to drive deeper community engagement. Contributed to full stack development for the overhaul: iOS, Android, Web and Backend. * Technical optimizations: Improved page load time on Activity system by over 90% via database optimizations and dead code removal.

Technical Lead

Yahoo

Jul 2013 - Jul 2015 (2 years 1 month)

Engineering Lead for Finance Playable Streams, a video creation pipeline which automatically generated updated Trending Stock news throughout the day and published them to the Yahoo content ecosystem. The system was powered by a Nodejs web service, Redis queue and an OpenGL C++ video rendering service worker. This was one of the first projects in Yahoo to run partially on public cloud with AWS.

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Backend Engineering Lead

May 2011 - Jul 2013 (2 years 3 months)

I was responsible for leading the backend tech team at Qwiki. Qwiki was a video creation technology company which was acquired by Yahoo in 2013. Lead the development of the Qwiki Reference product which transformed Wikipedia articles into interactive videos. Implemented a text mining and image processing system of the Wikipedia dataset. using Scala with Hadoop on Amazon EMR. Application supported both bulk processing and online processing. The product was integrated with Bing.com search engine in 2012 via a partnership deal.

Senior Data Engineer

Quid

Jun 2010 - May 2011 (1 year)

Developed and deployed Quid's data collection, analysis, and search systems for financial intelligence applications. Migrated Quid's automated data collection system from a legacy homegrown PHP system to an ActiveMQ/Camel messaging-based collection system hosted on EC2 to handle both on-demand and batch data processing. I developed supplementary big data processors using Cascading/Hadoop/Elastic MapReduce. Created text extraction processor and ngram generator using Lucene and stored data in S3. Analysts were able to interact with the data using Hive. Also developed a faceted entity search system using Apache Solr for our analysts.

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Research Engineer

Jan 2007 - Sep 2007 (9 months)

Designed and developed RAPIER: a satellite image detection framework in C++ for the US Navy and allies. Utilized OpenCV and OSSIM open-source libraries. At the time, RAPIER was used to develop a ship detection application. RAPIER has since been adapted to cover fire and aircraft detection. See https://www.spiedigitallibrary.org/conference-proceedings-of-spie/6696/66961C/Ship-detection-and-classification-from-overhead-imagery/10.1117/12.754019.short?SSO=1

Software Engineer Intern

Intuit

Jun 2006 - Sep 2006 (4 months)

Designed and developed the QuickBooks Database Manager in C#. The QuickBooks Database Manager allowed multiple accountants to work on the same account file simultaneously in Quickbooks. Released with QuickBooks 2007.

Software Enginer Intern

Pfizer

Jan 2005 - Jun 2006 (1 year 6 months)

Re-designed a grid system monitoring application in Java to help scientists manage their grid computing processes.

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