Cecile Tonglet
Founder at IMI Hydronic Engineering
Assesse, Walloon Region, Belgium
Summary
🤩
RockstarCecile Tonglet is a Rust-focused software engineer and founder with 12 years of experience building backend systems, WebAssembly frontends, and DevOps tooling from Belgium. She has shipped production Rust work across notable open-source projects including Polkadot/Substrate, Apollo Router, and Yew, contributing to core collator logic, Wasm executor improvements, and virtual DOM refinements. As founder of RustMinded and a senior engineer at IMI Hydronic Engineering, she blends hands-on Rust/WASM full‑stack development with building CI/build-image optimizations and cross-platform release workflows. Her contributions show a knack for improving robustness—graceful shutdowns, async/CLI fixes, and caching strategies—as well as measurable build and testing improvements. Comfortable across languages and layers, she pairs practical engineering with open-source collaboration on high-profile blockchain and web-runtime projects. A lesser-known strength is her pattern of refactoring for maintainability, splitting large modules into clearer crates and traits to reduce long-term complexity.
12 years of coding experience
8 years of employment as a software developer
English, French
Github Skills (60)
dependency-management10
substrate10
docker10
runtimes10
python10
clientside10
async10
testing10
run-time10
bash10
linux10
rust-wasm10
wpgraphql10
dockers10
cicd10
Programming languages (21)
Github contributions (5)
leftwm/leftwm
Aug 2021 - Dec 2022
A tiling window manager for Adventurers
Role in this project:
Backend Developer
Backend DeveloperContributions:25 reviews, 14 commits, 13 PRs in 1 year 3 months
Contributions summary:Cecile primarily focused on refactoring and reorganizing the codebase of a tiling window manager, leftwm. Their commits involved moving non-related tiling manager logic, introducing traits for configuration and state management, and splitting the code into separate crates. The user also addressed numerous bug fixes and performed code cleanup tasks like clippy fixes. These actions improved code structure, reduced dependencies, and enhanced the overall maintainability of the window manager.
x11linuxtiling-window-managerwindowtiling
apollographql/router
Jul 2021 - Feb 2022
A configurable, high-performance routing runtime for Apollo Federation 🚀
Role in this project:Back-end Developer & DevOps Engineer
Back-end Developer & DevOps EngineerContributions:294 reviews, 79 commits, 42 PRs in 6 months
Contributions summary:Cecile's commits demonstrate a focus on improving the build process and supporting variable configurations within the Apollo Router project. They addressed build failures with early error detection and refined the release workflow for macOS. Additionally, the user introduced a CircleCI Matrix build to support multiple platforms, and incorporated tracing and OpenTelemetry instrumentation for enhanced monitoring capabilities. The user also refactored the traverser and added benchmark for plan execution, demonstrating a strong understanding of the project's internal workings.
reactconfigurableruntimeapollo-federationgateway
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