- Customer plans
- Billing integration (built)
- Stripe Billing
Home warranty
Stripe Billing for a home warranty company
A Stripe Billing integration for a home warranty provider's plans and recurring payments.
Solutions
Projects I've worked on
- Platform users
- Ledger + Payout Engine (built)
- Adyen for Platforms
Accounting software
Adyen for Platforms for an accounting software company
An Adyen for Platforms integration, powering reconciliation and payout for users.
- Store checkout
- Card-present services (built)
- Processor
Retail
In-store card payments for a national retailer
Card-present transaction handling behind every in-store sale, built cloud-native on Google Cloud.
- Services on Cloud Run and GKE, backed by Cloud SQL and Pub/Sub.
- Internal tooling and coding standards that sped up the whole team.
- EMV terminals (built)
- Payment gateway (built)
- Processor
Integrated payments
A payment gateway and its EMV terminal fleet
New gateway capabilities for software platforms and their merchants, plus the EMV terminals they take payments on.
- Microservices on AWS Lambda, KMS, EC2 and S3, from design through validation.
- Subject-matter expertise for the platform's EMV-capable terminal fleet.
Systems Thinking: Part 2 - Modeling a System
Why UML faded, and how stock-and-flow models and C4 diagrams give engineers simpler mental models of large codebases.
Systems Thinking: Part 1 - What is a System?
Elements, interconnections and purpose: Donella Meadows' framework for the systems we build, and why changing a system's purpose is the riskiest change of all.
Deploy a Nest.js API with DigitalOcean's App Platform
A step-by-step guide to taking a Nest.js API from a Git repository to a running, auto-deploying service on DigitalOcean's App Platform.
Dreams, Reality, and Code
How a childhood plan to become an animator turned into a love of programming, or as I like to call it, creative math.
Projects
Things I've built
Pew-Pew-Pew.io Game
A multiplayer browser game built to see how far Socket.io could go for real-time state sync between a server and many clients.
- Entity-component system for game logic
- Spatial hashing keeps collision checks cheap as players join
- Express and Socket.io server streaming state to every client