TS-pattern

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TS-pattern Examples

Below are some of my projects involving TS-pattern, grouped by company. Click to read more about the relevant projects and chat with me to follow up on any topic you'd like to hear more about!
Castle Risk Online logo

Castle Risk Online

Personal Project

Castle Risk Online

2025 - present

Castle Risk Online is an online multiplayer board game with chat, animations, and AI players. It supports social login, mobile, dark mode, and is a blast to play with family and friends.

The game is built with React, with jotai for atomic state management on the frontend, and optimistic state synchronization viaWebSockets, proxied thru a K8s (Kubernetes) ingress controller equipped with Cert Manager to the underlying Express JS servers, which autoscale based on tcp connection rules, and use RxJS for Functional Programming stream processing of game events.

Read more...

Key Results

  • Launched fully functional multiplayer game with realtime chat, social login, mobile + desktop support, dark mode
  • Achieved <200ms latency for real-time game state synchronization across all players
  • Kubernetes + Skaffold used for cloud-agnostic deployments

Full Details

Tommy Sullivan - AI + Full Stack Software Builder + Leader