67 Best Senior Back End CSS SQL Freelance Contractor Developers For Hire In September 2025
Featured Senior Back End CSS SQL Freelance Contractor Developers
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...
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...
Experienced full-stack engineer and UI/UX designer
Las Vegas, Nevada, US or remote
I've been developing products for virtually every type of device, platform and medium since I started coding as a teen. Since then, my apps and...
Full Stack | Front End | Senior Software Engineer | Agile Product Owner | USA
Scranton, Pennsylvania, US or remote
10 years of professional experience developing software in Javascript, Python, and React. Certified as an Agile Product Owner by the Scrum Alliance....
Senior Full Stack Developer
Ontario, Canada or remote
As a Senior Software Engineer at Reddit Inc., I led the development of a telemetry project aimed at enhancing user engagement insights. This project,...
React Frontend / Full Stack Javascript Developer
Portland, Oregon, US or remote
Javascript full stack developer, leaning heavily towards the Frontend. Coming back up for air after a several-month freelance commitment. Looking...
Full Stack Developer & Technical Manager
New York, New York, US or remote
Freelancer with over a decade of experience creating websites and web apps for agencies, small businesses, and enterprise...
Software Engineer
Toronto, ON, Canada or remote
Computer science graduate with 8+ years of experience. I am looking to join to startup team with whom communication and teamwork are paramount. Have...
Ex-Amazon Senior Software Engineer
Vancouver, Canada or remote
🏢 McGrawHill, Vancouver BC Senior Software Engineer Consultant (Remote) - July 2023 – November 2023 🚀 Onboarding backend team for new...
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,...
Lead Frontend Engineer
Bengaluru, Karnataka, India or remote
I'm a working professional, having seasoned experience in front-end development with a high level of responsibility. I believe in developing modern,...
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...
Fullstack Engineer
Seattle, Washington, US or remote
Experienced full-stack engineer with over 13 years of experience using technology like JavaScript, TypeScript, Node.js, React, and AWS. - Skilled in...
Full Stack Developer
Rio Grande City, Texas, US or remote
Senior Blockchain Developer Unstoppable Domains - California, PA May 2018 to August 2022 Building decentralized digital identities for the world....
Full Stack Web Developer, Consultant, Mentor, Technical Writer, Speaker, Book Author
Exeter, Devon, United Kingdom or remote
Work Experience Celestial — Lead Developer Nov 2022 - PRESENT - Led the development of the operations dashboard for the client who...
Senior Software Engineer & Technical Project Manager
Austin, Texas, US or remote
At Etumos (Marketo CRM consultancy) • Built Marketo API-integrated projects with NodeJS, ReactJS, & AWS (including EC2, Lambda, “Serverless”...
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....
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 -...
Full Stack Web Developer, VP, & CTO
United Arab Emirates, United Arab Emirates or remote
Co-Founder Fabogo and VP of Engineering at Mazkara Internet. Seasoned Web applications expert with 10+ years of industry experience. Currently...
Full Stack Web Developer
Ponte Vedra, Florida, US or remote
Bringing to the table over 17 years of expertise, I am a dedicated web developer with a flair for crafting dynamic web solutions that propel business...
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