Luca Palmieri
Principal Engineering Consultant at Mainmatter
Rome, Lazio, Italy
Summary
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Rockstar🎓
Top SchoolLuca Palmieri is a Principal Engineering Consultant based in Rome with 9 years of experience building scalable backend systems and shaping engineering organizations. He blends deep Rust expertise—author of "Zero To Production In Rust" and active contributor to projects such as ndarray, actix, tokio/tracing and the AWS Rust SDK—with practical ML experience, including implementing K‑Means in linfa and rebuilding production classification engines. At TrueLayer he scaled teams from single digits to 100+, founded an Engineering Ops function to improve incident management, observability and developer ergonomics, and at AWS focused on build/CI and cross‑platform compatibility. A double honors graduate in Mathematics (110/110 cum laude), he is known for pragmatic problem solving that spans low‑level numerical improvements (e.g., variance/std in ndarray) to operational changes like adding 32‑bit CI for aws-sdk-rust.
9 years of coding experience
6 years of employment as a software developer
Master of Science - MS, Mathematics, 110 cum laude/110, Master of Science - MS, Mathematics, 110 cum laude/110 at International School for Advanced Studies (SISSA)Bachelor of Science - BS, Mathematics, 110 cum laude/110, Bachelor of Science - BS, Mathematics, 110 cum laude/110 at University of Rome 'La Sapienza'
Italian, English, French
Stackoverflow
1reputation
204reached
0answers
1question
Github Skills (96)
re-implementation10
dockerce10
cargo10
documentations10
postgresql10
testing10
data-manipulation10
commandline-interface10
command-line-interface10
actixweb10
actix-web10
exe10
numerics10
code-generation10
ci-cd10
Programming languages (20)
Github contributions (5)
LukeMathWalker/cargo-chef
Oct 2020 - Jan 2023
A cargo-subcommand to speed up Rust Docker builds using Docker layer caching.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:81 reviews, 56 commits, 127 PRs in 2 years 2 months
Contributions summary:Luca primarily contributed to `cargo-chef`, a Rust project for optimizing Docker builds. Their work included implementing feature flags, fixing bugs related to target directories, and improving the build process. They added support for `--no-default-features` and `--features` flags, and modified the build process to handle permission errors. The user also improved error messages and added various fixes, enhancing the project's functionality and robustness.
cargo-subcommandspeedrustbuildscaching
mainmatter/100-exercises-to-learn-rust
May 2024 - Mar 2025
A self-paced course to learn Rust, one exercise at a time.
Role in this project:Backend Developer
Backend DeveloperContributions:3 reviews, 112 PRs, 241 pushes in 10 months
Contributions summary:Luca primarily contributes to improving the Rust-based course by fixing typos, removing unnecessary code, and correcting errors in test files. The commits demonstrate proficiency in the Rust language, modifying code to enhance clarity and correctness. They also adjusted code related to thread management, including error handling and testing, indicating a focus on backend logic.
rust
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