Julien Cassis
Co-Founder & Engineering Vice President At Aviron
Montreal, Quebec, Canada
Summary
🤩
Rockstar🎓
Top SchoolJulien Cassis is a seasoned engineering leader and founder with 11 years of experience building high-scale, real-time systems from Montreal. As Founder & CTO of Callbox he designed the core call routing infrastructure and analytics that handled 50K+ daily calls and drove up to 70% higher call conversion for customers. He has since advanced to director-level engineering roles at StreamingFast and Aviron, blending hands-on architecture with team leadership and product strategy. Julien’s background spans mobile marketplaces, big-data analytics, and embedded systems, reflecting an ability to move between low-level engineering and customer-facing product design. He excels in fast-moving, entrepreneurial environments and has a track record of turning complex operational requirements into scalable, measurable platforms.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering (B.Eng.), Computer Engineering, Bachelor of Engineering (B.Eng.), Computer Engineering at McGill University
English, French
Stackoverflow
1reputation
0reached
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Github Skills (72)
go-api10
handlers10
ipfs10
eosio10
graphql-api10
api10
ai10
golang10
eos10
developer-tools10
streaming-data10
ethereum10
blockchain10
graphql10
stream9
Programming languages (7)
Github contributions (5)
streamingfast/solana-go
Nov 2020 - May 2022
Go library for the Solana Blockchain
Contributions:105 commits, 76 pushes, 1 branch in 1 year 6 months
blockchaingosolana
streamingfast/dgraphql
Apr 2020 - Dec 2021
Contributions:15 commits, 14 pushes, 1 branch in 1 year 8 months
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