Oliver Havis

• Build and maintain internal retail systems in PHP and Symfony that support showroom, sales and operational workflows.
• Develop REST APIs for order processing, customer data and internal reporting, and tune the MySQL queries and data models behind them.
• Own features end to end through PR review, QA gates and feature-flagged releases, with Jenkins, Bitbucket and Jira.

• Design and build web systems for organisations alongside employment, from scoping through to hosting and support.
• Built Perform Data Track and a Canvas-integrated learning platform for a university department.

• Built and maintained full-stack products with Laravel and PHP backends, alongside WordPress and Drupal sites.
• Contributed to cross-platform mobile apps in React Native.
• Integrated third-party APIs and payment gateways, and optimised database queries for high-traffic sites.

• Built a supplier management dashboard for agency entries and a database system for pricing.

• Developed and maintained the web platform behind the exam and membership workflows of a UK dance examination awarding body.

My dissertation. A computer vision model that spots falls from a webcam feed and alerts a carer, built to run on a Raspberry Pi. Python, TensorFlow, MobileNetV2, TFLite, OpenCV, Grad-CAM

An exam management platform for performing-arts awarding bodies: candidate entry, examiner marking and certificates in one system. Laravel 12, PHP 8.2, Livewire, Alpine, Tailwind, MySQL

Type in a UK postcode, get an honest summary of recently reported street crime nearby, from police.uk open data. Laravel 13, Livewire 4, PHP, SQLite, PHPUnit

Two builds from my own practice: a learning platform for a university department, and a website rebuild for a dance awarding body. Laravel, Livewire, Canvas LMS API, OAuth, Next.js

Pinch your thumb and finger closer or further apart in front of a webcam and the Mac volume follows. Python, OpenCV, MediaPipe

Dissertation: Machine Learning Driven IoT System for Assisting Less Able-Bodied Individuals.