Luke Bailey

baileylu@tcd.ie | Website | Github | LinkedIn | Dublin, Ireland

Projects

Bun2Nix | Rust | Nix | JavaScript

Open Source Tool for Building Bun Projects with Nix

• 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

• 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

Rust based Web-App | Leptos | Actix

High-Performance Web Application

• 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 artifacts by 90% using Nix over our original Docker image

Work Experience

Elixir Web Developer

Next Gear Motors: June 25 - August 25

• Used Phoenix to produce a fault-tolerant, reliable ECommerce platform
• Real-time, distributed messaging system
• Automated image processing and compression
• Fully automatic CI/CD pipeline sporting multiple forms of static testing and over 200 different tests

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
• Containerized 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, Elixir, JavaScript/TypeScript, Java, C, Zig, Python, Bash, SQL
• DevOps: Nix/NixOS, Docker, GitHub Actions, AWS
• Web: Phoenix, React, Node.js, Leptos, Actix, MongoDB
• Concepts: Type Systems, Functional Programming, Performance Optimization

Education

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