Twine
Twine

Frontend-leaning full stack developer with 7+ years of experience building scalable, polished web apps. I specialize in React, TypeScript, design systems, and UI architecture, with backend experience in Node.js and cloud…

Casey Charlesworth

PRO

Frontend-leaning full stack developer with 7+ years of experience building scalable, polished web apps. I specialize in React, TypeScript, design systems, and UI architecture, with backend experience in Node.js and cloud infrastructure. I’ve worked at a consulting firm supporting enterprise clients and thrived in fast-paced startups. I also have deep experience in the Solana ecosystem, building and launching NFT platforms. I care about UX, performance, and developer experience, and I build systems…

Available to hire

Frontend-leaning full stack developer with 7+ years of experience building scalable, polished web apps. I specialize in React, TypeScript, design systems, and UI architecture, with backend experience in Node.js and cloud infrastructure. I’ve worked at a consulting firm supporting enterprise clients and thrived in fast-paced startups. I also have deep experience in the Solana ecosystem, building and launching NFT platforms. I care about UX, performance, and developer experience, and I build systems that scale.

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Skills

Experience Level

React JS
Expert
Web Design
Expert
MongoDB
Expert
JavaScript
Expert
Node.js
Expert
UI
Expert
AWS
Intermediate
Vue.js
Intermediate
AngularJS
Intermediate
App Design
Intermediate
Rust
Intermediate
Python
Intermediate
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Language

English
Fluent

Education

Bachelor of Engineering in Computer Science at University of Illinois Chicago
January 1, 2014 - June 1, 2019

Qualifications

Blockchain fundamentals - Berkeley
March 1, 2022 - June 1, 2022

Industry Experience

Software & Internet
    uniE613 Founding Full Stack Developer - Coll3ctibles
    Project: Coll3ctibles – NFT Rewards Platform Live Site: https://www.twine.net/signin Stack: Next.js, Node.js, MongoDB, AWS (EC2, S3, Lambda, CloudFront), Tailwind CSS, Crossmint Description: Coll3ctibles is a full-stack NFT rewards and membership platform built for Solana-based creators. I led the development of the platform from the ground up and handled everything from architecture to deployment. What I did: Built the entire platform using Next.js, Node.js, and MongoDB Designed and implemented a custom admin dashboard and CMS for managing NFT collections, airdrops, and analytics Integrated Crossmint for custodial wallet support and credit card payments Developed wallet-based authentication and token-gated content access Created responsive UI components using Tailwind CSS Scaled infrastructure using AWS (EC2, S3, Lambda, CloudFront) to handle high-traffic NFT drops Shipped multiple NFT launches, including Catalina Whale Mixer, with 16,000+ users and $2.5M+ in market cap Automated deployments using GitHub Actions and managed staging environments with Heroku This project showcases my ability to ship secure, scalable Web3 applications with…
    uniE613 Freelance Software Developer - Dispense First
    Rebuilt a cannabis dispensary POS system using Vue.js and Node.js. Integrated real-time APIs, e-commerce, and compliance tools to support high-volume, regulated transactions.
    uniE613 Senior Software Engineer - West Monroe Partners
    Worked at a consulting firm supporting enterprise clients and Web3 initiatives. Led UI architecture, built React/Node.js platforms, and contributed to NFT marketplace development. Promoted to Senior Engineer for leading product delivery and mentoring devs.
    uniE613 Freelance Blockchain Developer
    Conducted freelance projects during evenings/weekends and bench time (not staffed on a client) while working full-time at West Monroe. Worked on early technical foundations for a Solana-based NFT platform, including initial architecture for Coll3ctibles (Indie-Pop). Built token-gated dashboards, staking and raffle systems, and creator tooling using React, Node.js, and Web3. Delivered CMS integrations with Prismic and collaborated with projects in the Solana ecosystem, including Magic Eden.
    uniE613 Senior Software Engineer - Gavel
    Worked on frontend architecture for a legal automation platform. Migrated the design system from Mantine v6 to v7, replaced Bootstrap, and updated the state layer using Valtio. Built workflow logic in React, integrated with Docassemble and YAML configs, and connected OpenAI APIs for generative legal drafting. Implemented feature gating with Stripe and improved system reliability using Datadog and AWS.