William Saar
Owner And Consultant at Updab
Stockholm, Stockholm County, Sweden
Summary
👤
Senior🎓
Top SchoolWilliam Saar is an AI engineering consultant and seasoned backend/data engineer with 11+ years delivering low-latency, large-scale systems for consumer apps (two reaching ~300M monthly users), enterprise security analytics, and financial trading platforms. He combines hands-on implementation — from Kafka Streams, Flink and Beam pipelines to Java, Scala, Go and Python services on cloud platforms — with product-minded work as a consultant and founder of Updab. His remote-first career includes stints at Spotify and helping take San Francisco startup tCell.io through to acquisition by Rapid7, plus patents in data analysis and software security. Comfortable in both research-y evaluations and production hardening, he frequently presents internal trainings and writes technical reports and blog articles. Based in Stockholm, he brings rare cross-domain experience spanning game-scale backend operations, streaming analytics, and latency-sensitive trading systems. Beyond code, he has formal training in Mandarin and interactive media, reflecting a knack for interdisciplinary problem solving.
10 years of coding experience
20 years of employment as a software developer
MSc Computer Science and Engineering, MSc Computer Science and Engineering at KTH Royal Institute of TechnologyInteractive Media, Interactive Media at Stockholm Academy of Dramatic ArtsMandarin Chinese, Mandarin Chinese at Stockholm University
English, Swedish, Chinese, German
Stackoverflow
21reputation
0reached
1answer
0questions
Github Skills (114)
javascript10
compiler10
rust10
nest10
server-side10
sqlite10
nodejs10
automata10
dfa10
cordova10
rust-lang9
ionic9
browser9
database9
scalable9
Programming languages (5)
Github contributions (5)
saarw/flushout
Jun 2019 - Jan 2023
Flushout is a distributed data model based on event sourcing written in TypeScript.
Contributions:95 commits, 3 PRs, 18 pushes in 3 years 8 months
model-basedevent-sourcingcqrstypescriptsourcing
saarw/async-sequential-runner
Oct 2019 - Oct 2019
TypeScript class for sequentially running async tasks to completion.
Contributions:18 commits, 6 pushes, 4 tags in 1 day
callbacksasync-awaitjavascriptasynctypescript
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