Manu Masson is a founder and software engineer with a decade of experience building high-performance systems and startups, currently leading Voicetree from Sydney. He previously drove major performance wins at Atlassian—saving $3M/year in database costs and shipping an AI system that auto-detected severe production regressions—and contributed low-latency infrastructure at Optiver. Manu has a strong full‑stack and open-source pedigree, authoring a popular cryptocurrency arbitrage tool that evolved into a private HFT algorithm and powering realtime features with websockets. Comfortable across databases, distributed systems, and build performance, he blends hands‑on engineering with product instincts and a history of teaching and founding initiatives. An early habit of optimizing critical paths (from build systems to exchange links) often reveals bottlenecks others miss.
A cryptocurrency arbitrage opportunity calculator. Over 800 currencies and 50 markets.
Role in this project:
Full-stack Developer
Contributions:3 releases, 152 commits, 5 PRs in 6 months
Contributions summary:Manu primarily worked on implementing features for a cryptocurrency arbitrage calculator. Their initial contribution involved setting up the core functionality. They later refactored the code to incorporate settings from a file, which allowed for more dynamic market integration. They also integrated websockets to push results to the frontend and updated the system to find and display all arbitrage opportunities, as well as allowing users to tailor their view.
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