Sam Jeston
Technical Lead at Coviu Global
Brisbane City, Queensland, Australia
Summary
🤩
Rockstar🎓
Top SchoolSam Jeston is a Brisbane-based software engineer and engineering manager with 11 years' experience building high-performance web services, CI/CD pipelines, cloud infrastructure and DeFi applications. He combines deep hands-on skills in Node.js and Rust with smart contract and blockchain protocol integrations—having contributed to the Cardano Daedalus wallet by integrating a Rust node and modernizing its infrastructure. A longtime Docker and DevOps enthusiast, Sam has led technical teams at Immutable, Kinesis and ABX, bridging backend architecture, containerization and production reliability. His background as a chemical/metallurgical engineer gives him a data-driven, process-optimization mindset that he applies to system performance and operational tooling. Curious and continuously learning, he’s pursued blockchain work since 2017 and enjoys moving cutting-edge cryptography and distributed systems into production.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Engineering (B.E.), Chemical and Metallurgical, Bachelor of Engineering (B.E.), Chemical and Metallurgical at The University of Queensland
English
Stackoverflow
71reputation
4kreached
6answers
1question
Github Skills (23)
cardano10
blockchain10
rust10
nix9
javascript9
nodejs9
apidoc8
api8
electron8
architecture7
architectures7
angular6
ecmascript6
php6
angularjs6
Programming languages (10)
Github contributions (5)
input-output-hk/daedalus
Jul 2019 - Nov 2019
The open source cryptocurrency wallet for ada, built to grow with the community
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:11 commits, 22 PRs, 68 pushes in 3 months
Contributions summary:Sam primarily worked on integrating the Rust-based Jormungandr node into the Daedalus wallet, which involved significant backend and infrastructure modifications. They modularized node booting, configured the node implementation through Nix, and established communication between the main and renderer processes. Additionally, they updated the Daedalus wallet to the newest cardano-wallet version and resolved various lint errors and dependency issues, demonstrating a focus on both backend integration and overall project health. They also worked on frontend-only mode.
cryptocurrency
Sam-Jeston/The-Wooden-Horse-Restaurant
Jun 2015 - Mar 2017
Contributions:2 PRs, 65 pushes, 6 branches in 1 year 9 months
webpagehorserestaurant
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