Stephen Lester
Software Architect at IDnow
Rennes, Brittany, France
Summary
🤩
Rockstar🎓
Top SchoolStephen Lester is a software architect with 11 years of experience building secure, standards-driven systems across companies from Apple and Shopify to IDnow. He combines deep expertise in Ruby, Linux/macOS administration, and JavaScript with a strong security focus demonstrated by roles as Security Architect and Web Services Engineer. Stephen has practical production engineering experience at Shopify and contributed Rust-based improvements to Cloudflare's popular workers-rs project, enhancing runtime APIs like mutable cloned requests and geo/timezone properties. His academic grounding in honors mathematics and fluency in French underpin a methodical, analytical approach to system design and risk reduction. Based in Rennes, he favors pragmatic, maintainable solutions that balance operational resilience with developer ergonomics. Colleagues rely on him to translate complex standards and security requirements into robust, auditable implementations.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Science - BS Honors Mathematics, Bachelor of Science - BS Honors Mathematics at University of Tennessee, Knoxville
French, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (9)
worker-service10
cloudflare10
worker-process10
webassembly10
rust10
worker-pool10
worker-threads10
apidoc9
api9
Programming languages (13)
Github contributions (5)
cloudflare/workers-rs
Dec 2022 - Jan 2023
Write Cloudflare Workers in 100% Rust via WebAssembly
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 7 commits, 3 PRs in 1 month
Contributions summary:Stephen primarily contributed to the Rust-based backend logic of the Cloudflare Workers-rs project. They implemented new features related to the `Cf` properties, including `isEUCountry` and `timezone_name`. Furthermore, the user modified the `Request` object, allowing for mutation of cloned requests and creating `clone_mut` functionality. These changes indicate a focus on improving the API and functionality of the Workers runtime environment.
cloudflarerustserverlessrustlangwebassembly
Shopify/oxygenctl-action
Feb 2022 - Jan 2023
Contributions:4 reviews, 22 commits, 5 PRs in 11 months
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