James Marshall

Designed and delivered components for a defence-sector training simulator; built WPF UI layer interfacing with a real-time physics engine; defined modular architectural boundaries and integration strategy; developed performance-sensitive components in a safety-critical environment emphasizing reliability and maintainability.

Diagnosed and resolved live production defects using Sentry telemetry; traced issues end-to-end across platform-specific layers; proposed and prototyped an architecture that reduced coupling and increased testability; stabilised a large cross-platform production application.

Motorcycle Rally Platform: Designed and delivered full-stack web platform supporting ~150+ attendees for a large-scale live event. Built dynamic booking system with multiple ticket types, pricing models, accommodation options, Stripe payments and automated workflows. Developed responsive React frontend with Supabase backend plus admin tooling. Designed and implemented serverless backend services using AWS Lambda (.NET) and API Gateway, handling booking validation, payment workflows, and transactional operations for a live event website. Built and published companion iOS application using .NET MAUI with live updates, push notifications and real-user features. Integrated Azure OpenAI services to design and implement an AI-powered workshop assistant, enabling natural-language interaction with motorcycle mechanical data and improving user support capabilities.