Hi, I'm

Lily Tarpey

I'm a software engineer specializing in developing and maintaining SaaS applications. For over three years I've designed, built, and maintained production systems across the stack.

Experience

11/2022 — 03/2025

Engtech Analytics

Software Engineer (contractor)

·

Remote (United Kingdom)

Developed and maintained digital twin web applications for enterprise clients. Led development of document generation and workflow systems, trained predictive machine learning models for real-time insights, and created prototypes and demos for potential investors.

PythonDjango REST FrameworkJavascriptReactPostgreSQLREST API designAWSS3

06/2021 — 11/2022

International Salon Supplies

Freelance Software Engineer

·

Perth, Australia

Developed a new e-commerce system for a national hair and beauty retailer. Built a WordPress/WooCommerce storefront along with a Django integration service that synchronised data between the storefront and the existing point-of-sale systems.

PythonDjangoPHPREST/SOAP APIsWordPressWooCommerce

Tech Stack

Languages

PythonJavaScriptTypeScriptJava

Frontend

ReactNext.jsTailwind CSSshadcn/ui

Backend

DjangoSpringNode.js

Database

PostgreSQLRedis

DevOps

AWSVercelGitHub ActionsDockerLinux

Workflow

Visual Studio CodeClaude CodeCodexGitPostman

Projects

01 / AI reading companion

Bookworm

Turns a personal library into a real-time conversation. Readers can ask voice or text questions about a book and get contextual explanations without breaking their reading flow.

  • Next.js
  • TypeScript
  • MongoDB
  • Vapi
  • Clerk
  • Vercel Blob

02 / Personal finance

Budgie

Makes budgets and expenses easier to understand through a focused dashboard, combining interactive data views with secure authentication and a typed API and database layer.

  • Next.js
  • TypeScript
  • Hono
  • PostgreSQL
  • Drizzle
  • Recharts

03 / Real-time graphics

glRays

Renders Monte Carlo path-traced scenes interactively on the GPU, with diffuse and specular reflection, refraction, and support for sphere and triangle geometry.

  • C++
  • OpenGL
  • GLSL
  • Compute shaders
  • Dear ImGui
  • CMake

Thank you for visiting