9 Best Mid Level React JS MySQL English Freelance Contractor California United States Developers For Hire In September 2025
Featured Mid Level React JS MySQL English Freelance Contractor California United States Developers
Software Engineer
Los Angeles, California, US or remote
Senior Web Developer (KettleSpace Inc) - Lead the front-end work for kettleOS Admin and Enterprise software (React, styled-components, grommet,...
Software Engineer
National City, California, US or remote
I've been working as a software developer for my current job for more than 6 years, and before that, a startup for a couple years where I work on...
Full Stack Developer
Los Angeles, California, US or remote
Hello! I am a solutions-driven web developer with 4+ years of experience working on large and small-scale projects for various organizations. I also...
Software Engineer
Redlands, California, US or remote
Remedy Health Media 01/22 – present Software Engineer Arlington, VA • Leveraged JavaScript, React, and Next.js to execute server-side rendering...
Web Developer
San Diego, California, US or remote
I'm a people-centered web dev and creative professional with over ten years of experience creating intuitive, accessible experiences that people...
Software Engineer
Moorpark, California, US or remote
I currently work at a startup named “ThisApp” and have been here for nearly 3 years. • Led the development of the app’s custom events...
Software Enginer
walnut creek, California, US or remote
Led the design, implementation, and management of the company's email delivery system Successfully migrated over 10 million user accounts,...
Full Stack developer
Los Angeles, California, US or remote
🚀 Projects I've Created: Project Management Tool at Service Rocket: Developed a collaborative tool using Python and Atlassian suite....
Full Stack Web Developer
Yorba Linda, California, US or remote
Full Stack Web Developer – Parrot AI (May 2025 – Present) Built a real-time AI voice assistant UI using React, Next.js, TypeScript, Tailwind...
Who We Are
Hi! I'm Adam, the person behind JS Chimp.
I make web apps and software (especially with PHP/Laravel).
I've been on both sides of the hiring equation.
Sent on interviews that didn't match my skillset. And recieved candidates unrelated to what I hired for.
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Here companies and developers can connect around Javascript, JS Frameworks ... and other tech.
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