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Achievement: Pull Sharkx3Achievement: YOLOAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Pull Sharkx3Achievement: YOLOAchievement: Arctic Code Vault Contributor

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Dardin-dale/README.md

Logan Crecraft

Full-Stack Engineer · Payments · Infrastructure · IoT

I build and maintain production systems end-to-end — from payment integrations and API design to deployment pipelines and cloud infrastructure. Currently the primary engineer at Dynotag, where I own the full technical stack for a QR smart tag platform serving thousands of users.

What I Work On

  • Payments & Commerce — Stripe integration including Express Checkout (Apple Pay / Google Pay), subscription billing, and payment lifecycle management
  • Full-Stack Development — Java and Dart backends, modern web frontends, REST APIs, and database architecture (migrated production systems from HBase to LMDB)
  • Infrastructure & DevOps — Blue-green deployments, automated SSL certificate management, CI/CD pipelines, and production monitoring
  • AI/ML Features — RAG-powered chatbot systems for customer-facing support

Previously

Built desktop applications for embedded biotech devices using Electron/React with serial communication protocols, Python data pipelines, and cross-platform CI/CD at a biotech startup (BCSI).

Tech

Java Dart JavaScript Python React Electron Stripe API Linux Docker Git

Get In Touch

📍 Seattle, WA 💼 LinkedIn

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  1. huginbot huginbot Public

    AWS CDK Valheim server with Discord control and auto-shutdown. Cost-aware game server infrastructure.

    JavaScript 2

  2. node-serialport-tutorial node-serialport-tutorial Public

    Production serial-device patterns (command queueing, recovery, multi-device). Reference impls in Node, Rust, and Python.

    JavaScript 1

  3. electron-react-serialport electron-react-serialport Public template

    Electron 38 + React 19 + TS template wiring the serialport tutorial into a runnable desktop app.

    TypeScript 3

  4. Dewey Dewey Public

    Book-club Discord bot with web-grounded AI (Anthropic + Gemini). Serverless on AWS Lambda + CDK.

    TypeScript 2

  5. llm-discord-bot-template llm-discord-bot-template Public template

    Discord bot starter for AWS Lambda + CDK. Designed to be customizable with Claude Code.

    TypeScript