Ryan Cassidy

Software Engineer

Hartford, Connecticut

Ryan Cassidy

Building dependable software and digital products.

From production systems to personal projects, I turn complex problems into useful software.

Ryan Cassidy
Ryan CassidySoftware Engineer

Personal projects

Selected work.

Independent projects across software, data, and the web.

View all projects
The Intelligence Buildout
01Web Application

The Intelligence Buildout

An interactive field guide to the physical infrastructure behind AI, combining a 3D bookshelf, seven volumes, a dependency Atlas, twelve system guides, and an equipment and power simulator.

  • Next.js
  • TypeScript
  • React Three Fiber
  • Three.js
  • Data Visualization

Professional background

Experience

Financial Services

Hartford, Connecticut

May 2023 – Present

Role progression

  1. Current role

    Software Engineer

    Jul 2026 – Present

  2. Associate Software Engineer

    May 2024 – Jun 2026

  3. Business Systems Analyst Intern

    May 2023 – Aug 2023

Education

University of Connecticut

2024

B.S. in Business Data Analytics · Minor in Mathematics

Earlier experience

CT Inflatables & Event Rentals

Mar 2022 – Sep 2022

Team Member · Tolland, Connecticut

Technical profile

Skills & tools

The technologies behind my professional work and independent projects.

Application development

Java and Spring in professional systems. TypeScript and React across my independent web applications.

  • TypeScript
  • React
  • Next.js
  • Java
  • Spring Boot
  • Zod

Data & backend systems

Data workflows, batch processing, and streaming at work; PostgreSQL-backed products in my personal projects.

  • Python
  • SQL
  • PostgreSQL
  • Kafka
  • Spring Batch
  • Drizzle ORM

Cloud & deployment

Cloud hosting and deployment workflows, with Cloudflare R2 storage, DNS, and email integration in personal projects.

  • AWS
  • Google Cloud
  • Cloudflare
  • Jenkins
  • Vercel

3D & animation

An area I explore through personal projects: 3D scenes, motion, and interfaces that make complex subjects easier to navigate.

  • Three.js
  • React Three Fiber
  • GSAP

AI tools

Tools I use and explore for AI-assisted development, agent workflows, prototyping, and media creation.

  • OpenAI Codex
  • Claude Code
  • Google AI Studio
  • Manus
  • Hermes Agent
  • ElevenLabs
  • fal.ai
  • OpenRouter
Source control
  • GitHub
  • GitLab
Testing & observability
  • Playwright
  • Vitest
  • Axe
  • Splunk

The full story

Explore the journey.

An interactive résumé tracing the roles, projects, and experiences behind my work.

Interactive résuméLaunch the journey

Contact

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