27 Best Senior JSON Git OOP Freelance Contractor North America Developers For Hire In October 2025
Featured Senior JSON Git OOP Freelance Contractor North America Developers
Senior Web Developer
Austin, US or remote
Senior Web Developer Disney+, Remote (03/2022 - 11/2022) • Technologies: React, TypeScript, JavaScript, Jest • Led project for a new...
Senior Full Stack Developer
Madison, Wisconsin, US or remote
True end-to-end developer with strong frontend, backend, and devops chops. 11+ years working with clients such as Yale University, UW, NWF, The...
Senior Software Engineer
Boston, Massachusetts, US or remote
I worked with an early stage crypto token startup on finishing and launching their MVP after the existing developer left the project. I joined an...
Web Developer
Brooklyn, New York, US or remote
I’ve worked on websites of all sizes for over 15 years for clients like Microsoft, HOK, SmithGroup, MIT List Visual Arts Center, University of...
Software Engineer
Boulder, Colorado, US or remote
As a freelance software developer for 40 years, I've written accounting applications, games, statistics applications, embedded applications, retail...
Full Stack Web Development
Edmonton, Alberta, Canada or remote
I'm a seasoned Full-Stack Web Developer who's conquered projects across the globe. I've revamped business websites using React.js in Hong Kong,...
Software Engineer
Ville Platte, Louisiana, US or remote
Implemented a novel symmetric-key cipher in JavaScript for a $10k challenge Transpiled an AI handwriting synthesizing app from JavaScript to Rust...
Experienced Senior Full Stack Developer | Front End Expert | Web Application Specialist
Richmond, British Columbia, Canada or remote
Proven Full Stack Developer/Front End Developer with over 8 years of hands-on experience in creating scalable, secure, and user-friendly web...
Senior Full Stack Developer
Windsor, Ontario, Canada or remote
-Ocado Supermaket -Celonis(Munich, DE), ChainGPT(Delaware, US) -Challenges I have solved • Designed and developed an e-commerce platform using...
Senior Frontend Engineer
Tallahassee, Florida, US or remote
Developed an e-commerce site based on micro-services architecture. Mainly participated in frontend developing with React 16.8. Worked for...
Senior Web Developer
Orlando, Florida, US or remote
Worked on several SaaS products in PHP, JavaScript, and TypeScript. Created custom SaaS Dashboard using the Yii PHP framework with a MySQL database....
Software Engineer
Providence, Rhode Island, US or remote
Northrop Grumman | Middletown, RI | Feb 2017 – Present Seaware LMS - Learning Management System for US Navy ● Developed for a Learning...
Frontend Web Developer
Portland, Oregon, US or remote
Lute (Open Source Contributor) - Rewriting UI of Python/Flask desktop app using React with Vite - Writing unit tests using Jest - Implementing UI...
Staff Software Developer
Calgary, AB, Canada or remote
- Opensourcer from last 14 years, shepherding various projects. - Staff @Gusto, building gusto.com - Staff @AppDirect, building physical commerce....
Senior Software Engineer
Albany, Oregon, US or remote
Currently work for a large software company as a senior engineer. Have led and contributed to many projects as a frontend and backend dev. I can...
Software Engineer
Buffalo, New York, US or remote
Hi, I am a full-stack developer with 1.5 years of experience using the MERN stack. Being a full-stack developer allows me to not only develop...
Senior Full Stack Engineer
Westfield, Indiana, US or remote
Results-driven Full Stack Engineer with over 10 years of experience in developing and scaling software products. Proficient in JavaScript, HTML, CSS,...
Senior React-Native Mobile Developer/Full Stack Developer
Philadelphia, Pennsylvania, US or remote
-6 years experience as Project Lead for App Department at MedTrak Inc -Upgraded and maintained SDKs, created and maintained backend, developed log...
Intermediate Software Developer | Ex-Amazon
Vancouver, British Columbia, Canada or remote
I've worked in platform teams at Amazon and at Univerus Software in British Columbia...
Full Stack Developer
Santa Clarita, California, US or remote
Shinflik 2021-2023 - Indie movie streaming...
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