JOEL MACDONALD

Seattle, WA | www.joelmac.dev | jmacd87@gmail.com | LinkedIn

Professional Summary

Front-End Engineer with 7+ years of experience building high-performance React and TypeScript applications. Experienced in modern UI architecture, performance optimization, API integrations, and responsive design, with a proven track record of delivering scalable, user-focused products.

Projects

  • TRENDWAVE | Founder & Developer

    • Built and launched a full-stack trading analytics platform using React, Next.js, and TypeScript, designed to simplify complex market data and trading signals into intuitive, user-friendly dashboards.
    • Architected frontend data visualization workflows, API integrations, and performance-optimized interfaces capable of processing and presenting large datasets in real time.

Skills & Technologies

Skills: React, Next.js, TypeScript, JavaScript (ES6+), React Native, Redux Saga, Redux Thunk, HTML5, CSS3, Tailwind CSS, Material UI, REST APIs, Git, Docker, Jest, Vitest, Vite, Webpack, Azure DevOps, Jira, GitHub Copilot, Cursor, ChatGPT, Claude Code

Professional Experience

  • SOFTWARE DEVELOPER CONSULTANT | NovaScript | Jan 2025 – Present

    • Developed high-performance, custom websites tailored to client specifications using React, JavaScript, HTML, and CSS, with a focus on scalability and clean, maintainable code.
    • Implemented advanced SEO/AEO strategies, consistently driving top search engine rankings and significantly increasing client visibility and traffic.
    • Engineered full-stack web applications, delivering end-to-end solutions that integrated seamlessly with backend services and third-party APIs.
  • FRONTEND DEVELOPER II | Jonas Software | Sep 2020 – Dec 2024

    • Led development of secure, scalable React and TypeScript applications supporting enterprise software platforms used by thousands of customers.
    • Optimized system efficiency by reducing API requests by 36,000/day through the identification and remediation of a critical data leak.
    • Led a comprehensive refactor of legacy UI/UX systems, boosting performance while cutting server requests by 70% and data transfer by 40%.
    • Architected and implemented a dynamic onboarding form with real time validation, ensuring a seamless and robust user experience.
    • Collaborated with backend teams to ensure API compatibility and smooth integration of scalable, secure services.
    • Resolved high-priority defects and performance bottlenecks to support stable production releases and continuous deployment cycles.
  • REACT NATIVE DEVELOPER | Pinkaloo Technologies | Oct 2019 – Apr 2020

    • Developed and launched a cross platform charitable giving app, available on both iOS and Android.
    • Implemented key features like in-app donations, geolocation-based map searches, and user profile pages, significantly enhancing user engagement.
    • Refactored app navigation and modernized the codebase using React Native and Redux Thunk.
    • Collaborated with QA to debug critical issues, ensuring smooth and reliable app operation across platforms.

Education

Full Stack Developer Certification

Next Academy | 2018 – 2019

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