Zac Joffe
Software Engineer II at Instacart
Old Toronto, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolZac Joffe is a Software Engineer II with eight years of experience building high-performance distributed systems, low-latency services, and cloud infrastructure for both financial trading and large-scale developer platforms. A University of Waterloo software engineering graduate, he has shipped mission-critical systems at Citadel and scaled developer-facing and orchestration platforms at Meta and Instacart. His work spans real-time market data, AI/ML workload orchestration, and data pipeline engineering, with a practical focus on reliability and operational efficiency. Zac combines deep systems-level thinking with hands-on implementation, frequently optimizing for latency and throughput in production environments. He’s comfortable moving between finance and consumer tech domains, bringing techniques from low-latency trading to cloud-native platform engineering. Based in Toronto, he pairs a strong academic foundation with a track record of solving complex, high-stakes engineering problems.
8 years of coding experience
3 years of employment as a software developer
Bachelor of Software Engineering (BSE) Software Engineering, Bachelor of Software Engineering (BSE) Software Engineering at University of Waterloo
Github Skills (81)
vim10
emacs-lisp10
emacs10
emacs-lsp9
melpa9
client-library9
steam9
language-server-protocol9
proton9
wine9
steamworks9
json9
compatibility9
swift8
cpp8
Programming languages (9)
Github contributions (5)
ZacJoffe/dotfiles
Sep 2018 - Jan 2023
Contributions:173 commits, 146 pushes, 2 branches in 4 years 4 months
ZacJoffe/sdl-tetris
May 2019 - Dec 2019
Contributions:83 commits, 59 pushes, 3 branches in 7 months
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