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cassie_peterson

Cassandra P

@cassie_peterson

Full Stack MERN Web Developer

United States
English
About me
Hi, I'm Cassie, a Full Stack Web Developer specializing in React, Node.js, Express, MongoDB, SQL, and REST APIs. I build responsive websites, custom web applications, and scalable business solutions for startups and small businesses. My experience includes e-commerce platforms, Chrome extensions, API integrations, and database optimization. I deliver clean, maintainable code, communicate clearly, and focus on creating reliable software that helps clients achieve their goals.... Read more

Skills

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cassie_peterson
Cassandra P
Offline • 
Average response time: 333 hours

See my services

Full Stack Web Applications
I will build a custom full stack react and node web application
From$95 / projectMore details
GoDaddy
I will design and build a modern website for your small business
From$250 / projectMore details

Portfolio

Work experience

Freelance

Software Engineer & Web Designer

Freelance • Freelance

Oct 2020 - Present • 5 yrs 10 mos

Design and develop custom websites and full-stack web applications for small businesses and entrepreneurs. I work directly with clients from initial requirements and UI/UX design through development, testing, deployment, and ongoing improvements. Projects include business websites, custom admin dashboards, customer management systems, online booking and service requests, invoicing tools, e-commerce functionality, authentication, databases, REST APIs, contact and lead-generation systems, and third-party integrations. I build responsive, production-ready applications using technologies including React, JavaScript, Node.js, Express, MongoDB, SQL, HTML, CSS, Git/GitHub, Vercel, Render, Cloudinary, Stripe, and other APIs and cloud services. Recent work includes developing a complete platform for an automotive service business with customer management, online service requests, invoicing, expense tracking, messaging, gallery management, authentication, and a private administrative dashboard.

Sabi_Ventures

Software Engineer

Sabi Ventures

Jan 2026 - Feb 2026 • 1 mo

Designed and developed a production Chrome extension from architecture through Chrome Web Store submission. Built the application using React and TypeScript with Chrome Manifest V3, background processes, scheduled alarms, and an interactive user dashboard. Responsible for frontend development, application architecture, debugging, testing, and preparing the extension for production release.

Surplus_Sales Of Nebraska

Full-Stack Developer

Surplus Sales Of Nebraska • Full-time

Feb 2023 - Jul 2024 • 1 yr 5 mos

Led the modernization of a fully static company website into a database-connected web platform supporting more than 75,000 products. Integrated website data with SQL databases and Microsoft Dynamics ERP, managed and migrated more than 120,000 product images, and worked across frontend development, backend systems, hosting, SSL, and production troubleshooting. Improved the company's web infrastructure while supporting internal teams and customers with technical issues, data management, documentation, and ongoing website improvements.