19 Best Senior JavaScript Unit Testing Freelance Developers For Hire In June 2024
Featured Senior JavaScript Unit Testing Freelance Developers
Senior Full Stack Developer
Los Angeles, California, US or remote
🚀 Developer Experience & Achievements 🚀 🔍 Duplicate Finder - Electron & React App: - Built an application that scans directories for...
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
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...
Senior Full Stack Javascript Developer
Omaha, Nebraska, US or remote
Specialties: • Front end JavaScript (React, AngularJS, Angular.io, and WebPack) • ES2021, and TypeScript • .NET Core Development (C#) •...
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...
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,...
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...
Software Engineer, Mobile
Vila Velha, Espirito Santo, Brazil or remote
My name is Vitor and I’m a software engineer focused on frontend and mobile applications with more than 3 years of experience working with React /...
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,...
Back End Engineer
São Paulo, São Paulo, Brazil or remote
Papaya Apr 2023 – Sep 2023 Back End Engineer Los Angeles, CA, USA ▪ Delivered features for product launches and new internal tooling to improve...
Lead Software Engineer
Orlando, Florida, US or remote
M*rsm*tics...
Software Engineer
Berlin, Germany or remote
I've worked for scale ups and startups as a software engineer, in the logistics, ecommerce, and publishing/research...
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...
Frontend Engineer
Cluj-Napoca, Cluj, Romania or remote
I am a passionate Frontend Engineer who’s also tackling full-stack intricacies with over 3 years of experience in refining, developing, and...
Software Engineer
Springfield, Illinois, US or remote
BetterCloud Senior Software Engineer April/2022 to Present Technologies used: Google Cloud Platform infrastructure, Node JS, Express JS,...
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...
software engineer
Union City, New Jersey, US or remote
🏢 Homelister (10/2022 - 2/2023): 🚀 Led data migration and cron system implementation for diverse environments. ⚙️ Worked on...
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