22 Best Senior Unit Testing Api Freelance Developers For Hire In August 2025
Senior Front-end Engineer
Los Angeles, California, US or remote
# Professional Experience ## Lead Front-end Engineer, Imarc (2020 – 2023) Built marketing and internal websites for Breezeline, eRegulations,...
Sr Software Developer
Tempe, Arizona, US or remote
As a Senior Software Developer at Petsmart, I rebuilt payment API services from the ground up, developed a standalone mocking system for REST...
Senior Software Engineer
Indianapolis, Indiana, US or remote
I've been working in development for over a decade with a primary focus on front end technologies. I have done back end and full stack work using...
Frontend Developer | React Developer
Union, New Jersey, US or remote
Frontend Developer | Frontend Engineer👨💻 with 5 years of experience implementing efficient, scalable web applications with 10,000+ users for...
Senior Software Engineer
GERLACH, Nevada, US or remote
I've worked on a lot of open source projects, mostly my own. I created BikeTag.org and am the author and maintainer of the unofficial imgur...
Freelance React/Node.js Web Developer
Berlin, Berlin, Germany or remote
I'm a freelance web developer from Germany with over 15 years of experience. My passion is creating modern, user-friendly experiences with clean...
Lead Software Engineer
Sao Paulo, Brazil or remote
Lead Software Engineer with 14 years of experience building fast and full-featured web applications, websites, and mobile apps in cross-functional...
Fullstack developer
Berlin, Germany or remote
## Projects MINDMATE Voluntarily Skills: Django, Wagtail, React, TypeScript, REST-API, SCSS, Testing Finishing the original web app idea from...
Senior Software Engineer
Helsinki, Uusimaa, Finland or remote
Accomplished Senior Software Engineer with a proven history of developing and architecting large-scale applications from concept to production,...
Senior JavaScript Engineer | React, Next.js & Node.js Specialist
Bengaluru, karnataka, India or remote
Professional Experience Lead Full Stack Developer Company name- Campion Solutions, Bangalore,India. Jan 2022 – Present Architected...
Front End Developer
Ottawa, Ontario, Canada or remote
In my career as a Front End Developer spanning multiple dynamic companies, I've had the privilege of driving pivotal advancements and addressing...
Frontend Software Developer/QA Engineer
Edison, US or remote
PROJECTS 💻 Portfolio Website (React) - Built and deployed personal website with responsive design and smooth navigation - Developed reusable...
Frontend Engineer
Cluj-Napoca, Romania or remote
🚀 Projects I've Contributed To SAAS UI for Alluvio Platform: Developed a responsive and intuitive user interface for Alluvio's SAAS platform,...
Frontend Engineer
Vilnius, Lithuania or remote
During my 4+ years as a Frontend Engineer I built 50+ custom web apps and custom e-commerce shops. At the beginning of my career, I worked in...
Fullstack Developer
Goiania, GO, Brazil or remote
I'm a software developer with over 7 years of experience in the development of mobile and web...
Lead Software Engineer
Orlando, Florida, US or remote
M*rsm*tics...
Senior JavaScript Developer
Cracow, Poland or remote
11/2022 - 11/2023 Senior JavaScript Developer Kinsta • Collaborating within a 10-member Analytics Team. • Creating domain-specific charts...
Full Stack Developer - 25+ Years
Penetanguishene, Ontario, Canada or remote
Creating project with JavaScript for over 25 years. IOU Snack debt tracker that was used at several companies. A ecommerce site for Scotia Bank to...
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....
Frontend Engineer
San Antonio, Texas, US or remote
I work at a company that specializes in Fleet management. I enhanced customer experience with a React-based dashboard for account reconciliation...
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