Alec Posney
Performance Engineer at Jump Trading
Sydney, New South Wales, Australia
Summary
👤
Senior🎓
Top SchoolAlec Posney is a performance engineer with 12 years' experience building and optimizing low-latency systems for trading and cloud platforms, currently at Jump Trading after a multi-year tenure at IMC. He combines deep systems and cloud engineering expertise from roles at Atlassian and university projects, with hands-on experience tuning Django-based production services and operational workflows. Alec excels at reducing tail latency and improving throughput in high-stakes environments, translating complex performance profiles into practical infrastructure and code changes. Based in Sydney, he takes a privacy-first approach to outreach and prefers professional contact via LinkedIn messaging. Colleagues would describe him as pragmatic, detail-oriented, and focused on measurable performance outcomes that directly impact business-critical systems.
12 years of coding experience
8 years of employment as a software developer
The University of SydneyNSW Higher School Certificate High School/Secondary Diplomas and Certificates, NSW Higher School Certificate High School/Secondary Diplomas and Certificates at Australian International School Singapore
Github Skills (102)
command-line-interface10
apache-arrow10
parquet10
monitoring10
rust10
boto10
mysql10
aws-sdk10
aws-cli10
unison10
amazon-web-services10
chrome-extension10
aws10
dataframes9
sql9
Programming languages (12)
Github contributions (5)
Posnet/xkcd-substitutions
Nov 2013 - Mar 2016
xkcd substitutions chrome extension
Contributions:48 commits, 9 PRs, 9 pushes in 2 years 4 months
chrome-extension
Posnet/posnet.github.io
Apr 2015 - Sep 2025
Contributions:9 pushes in 10 years 6 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.