Will Sackfield
Senior Staff Software Engineer, AI ML, Core at Google
New York, New York, United States
Summary
🤩
Rockstar🎓
Top SchoolWill Sackfield is a Senior Staff Software Engineer specializing in AI/ML platform and core systems, with 12 years of experience building scalable production services across Google, Replicate, and startups he founded. He blends deep systems and backend expertise—contributing to notable open-source projects like Microsoft’s AirSim—with practical mobile and full‑stack experience from roles at Spotify and Sotheby’s. As founder of Meantime Technologies he ran a 30‑service Google Cloud backend and built NLP pipelines using HuggingFace and BERT, demonstrating both product intuition and hands‑on ML engineering. He’s comfortable moving between C++, Python, Typescript/React, and cloud-native architectures to ship resilient infrastructure and client features. Based in New York, he combines platform-scale ML deployment experience with an engineer’s eye for cross-platform compatibility and performance nuances.
12 years of coding experience
13 years of employment as a software developer
Student Pilots License Aviation/Airway Management and Operations, Student Pilots License Aviation/Airway Management and Operations at Moorabbin Aviation ServicesVictorian Certificate of Education, Victorian Certificate of Education at Caulfield Grammar SchoolMasters of Information Systems Intelligent Systems, Masters of Information Systems Intelligent Systems at Monash University
English
Github Skills (17)
objective-c10
caching10
c-language10
ios10
multiplatform10
simulator10
cmake10
cross-platform10
cprogramming-language10
airsim10
platform-independent10
unreal-engine-49
unreal-engine-59
unit-testing9
unreal9
Programming languages (13)
Github contributions (5)
spotify/SPTPersistentCache
Jul 2015 - Oct 2018
Everyone tries to implement a cache at some point in their iOS app’s lifecycle, and this is ours.
Role in this project:
iOS Mobile Developer
iOS Mobile DeveloperContributions:1 release, 221 commits, 80 PRs in 3 years 3 months
Contributions summary:Will primarily contributed to the persistent cache library, focusing on bug fixes and improvements related to data storage and retrieval within an iOS environment. Their work involved addressing issues with offline image loading, stream finalization, and general test improvements. The commits demonstrate a focus on refining the internal workings of the caching mechanism and enhancing its reliability. The user made targeted changes to the data cache tests.
lifecycleios-appcachingpointswift
microsoft/AirSim
Feb 2017 - Feb 2017
Open source simulator for autonomous vehicles built on Unreal Engine / Unity, from Microsoft AI & Research
Role in this project:Backend & System Engineer
Backend & System EngineerContributions:10 commits, 3 PRs, 5 comments in 9 days
Contributions summary:Will made several contributions focused on improving the compatibility of the AirSim simulator with different platforms, particularly Apple's operating system. Their work included adapting the code for AppleClang, supporting unicode paths in Unix, and fixing thread priority issues on macOS. Furthermore, the user addressed issues related to build configuration, library dependencies, and included essential headers for system functionalities.
deep-reinforcement-learningsimulationsimulatorunitysimulator-source
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