JAYDEN HOLDSWORTH

Full Stack Developer

MEng Computer Science
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TypeScript / React / Next.js / Node.js / PostgreSQL / C++ / Rust / Docker / AWS / Git / Java / Python / Tailwind CSS / Astro / C# / GitHub Actions / Vite / Agile / PRINCE2

Experience

Full-Stack Developer

Groundwork Yorkshire Mapping Tool
2025-2026
  • Designed a complex mapping interface supporting point, polyline, and polygon spatial data with Leaflet.js.
  • Engineered mobile-responsive public submission portals and admin dashboards.
  • Constructed backend infrastructure and PostgreSQL schemas for large-scale geospatial datasets.
  • Orchestrated CI/CD pipelines via Azure DevOps.
  • Completed as part of my fourth year 'Commercial Development Practice' module.

Education

University of Hull

Master of Engineering in Computer Science
2022-2026
First Class (Predicted)
  • Average Grade: 76.9% (First Class) across second and third year.
  • Dissertation: SkateNext: Developing a Gamified Skateboard Trick Progression App using React Native Expo.

Highlighted Projects

Joker Forge

2025-2026
57 1986+

React.js web app allowing users to create Balatro mods using a Scratch-inspired interface.

  • Developed a sophisticated bespoke code generation algorithm in Typescript that transforms the users code blocks into complete SMODS compatible Lua files.
  • Designed and implemented the interface using Tailwind that abstracts complex code logic into a simple to understand format.
  • Managed a team of open source developer contributions through GitHub, resolving 200+ issues.
  • Built a CI/CD deployment pipeline to Cloudflare Pages, with the platform receiving an average of ~1,000,000 requests per month.

RoguelikeIndex

2026
0 41+

Next.js web app to track, index, and analyse roguelike games, allowing users to browse ratings and create lists.

  • Designed a comprehensive metric system evaluating games on specific genre heuristics.
  • Implemented secure user authentication utilising JWT token and Bcrypt hashing.
  • Engineered a crowd-sourced data validation workflow where user contributions are vetted through a community voting system.
  • Optimised SQLite database read performance through strategic indexing.

SkateNext

2024
1 338+

React Native mobile application designed to gamify the process of learning and progressing in Skateboarding.

  • Successfully developed a recommendation algorithm in Typescript that dynamically suggested new tricks based on user heuristics.
  • Scripted a calorie estimation algorithm in Typescript which calculated energy expenditure based on the user’s skill level and completed tricks.
  • Deployed onto the Google Play Store, available to download on Android devices.

Other Experiments

Automatically fetched from GitHub. Contains experimental and unfinished code.