23 Best JavaScript CSS SQL Mobile App Freelance Contractor United States North America Developers For Hire In October 2025

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Featured JavaScript CSS SQL Mobile App Freelance Contractor United States North America Developers

1 to 20 of 23 devs ( view all 1700 devs )

Software Engineering, Architecture & Management

Dallas, Texas, US or remote

Starting his technical career in 2011, Ryan has been exposed to virtually all aspects of software engineering. Working exclusively at companies with...

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Lead Software Developer

Spanish Fork, Utah, US or remote

- Quantum Computing and AI Web Developer with extensive experience in leading the design and development of innovative quantum computing applications...

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Frontend Engineer

Los Angeles, California, US or remote

Comcast Business — Remote Software Engineer IV July 2022 - April 2024 - Implemented a working solution for MUI accessibility bug— improving...

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript vanilla js

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....

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript angular

Software Developer

New York, New York, US or remote

Software Developer - Zeplin: Architected and implemented reusable UI components using React.js, reducing development time by 25%. Conducted...

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Senior Frontend Software Engineer

Bronx, New York, US or remote

JOCKMKT | Senior Frontend Engineer | Remote | Nov 2022 - Oct 2023 - Developed and Maintained JockMKT’s React Native and NextJS web applications -...

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Web & App Developer

Merrillan, Wisconsin, US or remote

I have worked with large and small companies in my 17+ years of being a software developer, including federal government contractors. I know the ins...

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Fullstack Web Developer

jeffersonton, Virginia, US or remote

https://www.upwork.com/freelancers/~01ee8fc2647b73cbbb...

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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,...

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript vue

frontend developer

Chicago, Illinois, US or remote

Self-employed / Frontend developer 12/2020 - PRESENT, Boston, MA (Remote) ● Successfully created dynamic component structures for implementing...

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript vanilla js

SWE Intern

San Leandro, California, US or remote

SWE Intern at Knobull Aug 2022 – Oct 2022 • Led the development and delivery of a React Native mobile app in a team of 4 interns by creating...

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript jquery

Full Stack Web & Mobile Developer

New York City, New York, US or remote

I'm a dedicated, empathetic web developer who puts 100% effort into the process from beginning to end, whether it's a simple landing page or a...

JavaScript CSS SQL mobile app freelance contractor United States North America react node angular vanilla js

Full-Stack Java Developer

Cleveland, Ohio, US or remote

Currently an intern at immer, an event services platform, working on front-end development since October 2023. Using React.js, Redux and Tailwind CSS...

JavaScript CSS SQL mobile app freelance contractor United States North America react node angular vue

Software Engineer

San Francisco, US or remote

Work Experience: Software Engineer, Cloudvirga Jun. 2022 – May 2023 ● Developed and...

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript angular

Frontend Engineer

Titusville, Florida, US or remote

I am currently working as a Frontend Developer at Rockbook, where I’ve developed and maintained a responsive story-sharing web application using...

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript angular

Front-End Web Developer

Farwell, Michigan, US or remote

I'm a former business operations manager with over 7 years of experience transitioning into front-end web development. I designed and developed a...

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Junior Web Developer

Ocoee, Florida, US or remote

I coded solutions for LMS systems within a large college. I've also worked on agile mobile development teams, and have worked in Machine...

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript vue

Software Engineer

New York, New York, US or remote

• Founded and grew commercial clothing consignment company, achieving $150,000 in gross revenue within the first six months. • Assisted...

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript vanilla js

Web Developer

Sacramento, California, US or remote

Portfolio Website - A personal website made with React and deployed on Netlify, including a visual carousel display of projects I’ve worked on....

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript angular

Lead Software Engineer

Orlando, Florida, US or remote

M*rsm*tics...

JavaScript CSS SQL mobile app freelance contractor United States North America react node typescript jquery

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