Jeanfrancois Arcand - Founder, Chief Architect at Stealth Mode Start-up

Jeanfrancois Arcand

Founder, Chief Architect at Stealth Mode Start-up

Canada

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Summary

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Rockstar

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Top School

Jeanfrancois Arcand is a seasoned software architect and founder with over 23 years of hands-on experience designing high-performance, real-time distributed systems and leading engineering teams. He founded Async-IO and stewards the Atmosphere framework, evolving it from servlet-era long-polling to a streaming-native runtime that powers WebSockets, SSE and AI agent transports, and contributes fixes to well-known projects like AsyncHttpClient and Scalatra. Equally comfortable in JVM internals and modern cloud-native stacks, he designs runtimes that touch virtual threads, HTTP/3/QUIC, Spring Boot/Quarkus integrations and AI runtime adapters while running release engineering and enterprise support. His career spans startups and enterprises—CTO roles at Metrio and technical leadership at Element AI and Nasdaq—where he delivered platform migrations, SRE practices, and patent-pending ESG analytics. A pragmatic polyglot and persistent open-source maintainer, he blends deep algorithmic roots in mathematics and AI with product-focused engineering to turn real-time data into reliable, scalable services.

23 years of coding experience

31 years of employment as a software developer

Bachelor, Mathematics, Bachelor, Mathematics at Université de Sherbrooke

Master's degree (Master Incomplete), Electronic Engineering, Master's degree (Master Incomplete), Electronic Engineering at Polytechnique Montréal

English, French

Stackoverflow

Stats

36reputation

489reached

3answers

0questions

Github Skills (23)

javascript10

jquery10

netty10

async10

websocket10

java10

scala10

javas10

http-client10

websockets-client10

html10

websocket-client10

client-websocket10

web-framework9

json8

Programming languages (7)

TypeScriptJavaC++CSSScalaJavaScriptHTML

Github contributions (5)

Atmosphere/atmosphere-samples

May 2013 - Nov 2022

Atmosphere's samples.

Role in this project:

Front-end Developer

Contributions:560 commits, 28 PRs, 230 pushes in 9 years 8 months

Contributions summary:Jeanfrancois moved samples and moved over various javascript files, including the jquery.form.js file. The commits show the integration of libraries such as jquery-1.9.0.js and jquery.atmosphere.js. The user's work involved the modification and addition of HTML and javascript to support the different transport options for the Atmosphere samples.

atmosphere

AsyncHttpClient/async-http-client

Nov 2010 - Aug 2015

Asynchronous Http and WebSocket Client library for Java

Role in this project:

Back-end Developer

Contributions:180 commits, 3 pushes, 23 comments in 4 years 10 months

Contributions summary:Jeanfrancois primarily contributed to fixing bugs and improving the functionality of the asynchronous HTTP client library. Their work involved addressing issues related to WebSocket handling, including fixes for abnormal connection closures and improper status code responses. They also made adjustments to the Netty provider, resolving issues related to WebSocket upgrades and message handling. The user's commits demonstrate a focus on refining the core logic and improving the stability of the library.

asynchronousasynchttpclientclient-libraryhttp-clientwebsocket

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