Luke Bailey
baileylu@tcd.ie | Blog | Github | LinkedIn | Dublin, Ireland
Projects
- Developed 40x faster alternative to existing JS packaging solutions by leveraging Rust’s performance combined with Bun’s
- Reverse-engineered Bun’s package resolution logic to create reproducible Nix expressions
- Integrated with Bun’s native APIs to enable real-time dependency tracking
- Contributed to lang2nix ecosystem with 100+ people checking out the project
Hack Ireland Winner | Intercom | Ruby on Rails | AI
€2000 Human Computer Interaction Prize (Feb 2025)
- Led development of AI-powered knowledge management system using multi-modal input (voice/text)
- Implemented reproducible shared environment using devenv for environment consistency
- Had 35/64 commits and won a prize despite two of my teammates leaving partway through
- Live packaged text to speech software from source in Nix for orchestration with the project
NixOS Operating System Configuration | Linux | DevOps
Reproducible System Configuration
• Implemented atomic rollbacks for critical services using NixOS module system
• Automated updates for 10+ packages and provided documentation with CI/CD pipeline integration
• Implemented wrappers around various utilities to make my config portable across multiple systems
• Achieved 99.9% type safety across 5k+ LOC Rust codebase
• Designed <100ms page loads through WASM-optimised Leptos components
• Implemented zero-cost API abstractions making deployment costs very cheap and easy to scale
• Reduced deployment artefacts by 90% using Nix over our original Docker image
Work Experience
MERN Full Stack Web Developer
Bar Monkey Calisthenics: Jan 24 > July 24
• Shipped 4 major features including timetables, customer progress tracking and payment integration
• Achieved 98% Lighthouse performance score through Preact optimization
• Containerised deployment pipeline allowed for close to 0 runtime cost on fly.io for the user base
Data Management Intern
AIB: June 23 > August 23
• Digitised 200+ historical records with 99.8% accuracy rate
• Learned crucial skills for interacting with data in an office setting
• Implemented Microsoft Word macros accelerating letter generation by 5x
Skills
- Languages: Rust (Advanced), JavaScript/TypeScript (Advanced), SQL (Intermediate) , Python (Intermediate), Bash (Intermediate)
- DevOps: Nix/NixOS, Docker, GitHub Actions, AWS
- Web: React, Node.js, Leptos, Actix, MongoDB
- Concepts: Type Systems, Functional Programming, Performance Optimisation
Education
| Institution | Goal | Dates Attended | Outcome |
|---|---|---|---|
| Trinity College Dublin | B.A. Computer Science | Sep 23 > May 27 | 81% Grade Average |
| Clonkeen College | Leaving Cert | Sept 18 > June 23 | 601 Points |