52 Best Senior Front End JSON Unit Testing Developers For Hire In September 2025
Fullstack Developer
Oxford, Florida, US or remote
💻 Lead API Developer – RMCI (Contractor for U.S. OPM) Led API development for federal appraisal software modernization Migrated legacy...
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,...
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...
Frontend Engineer
Chattanooga, Tennessee, US or remote
Accomplished web developer with 8 years of experience in building and maintaining high-performance websites. Skilled in leveraging cutting-edge...
Senior Frontend Engineer
Portland, Oregon, US or remote
Amazon Web Services / Collabera September 2023 - Present Senior Frontend Engineer Develop key features for AWS Quicksight accessibility...
Senior Software Engineer
Oakland, California, US or remote
Software developer with 10+ years of full-stack experience -- from greenfield apps to legacy code maintenance. I've worked at companies of all sizes,...
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 Software Engineer
Boston, Massachusetts, US or remote
I worked with an early stage crypto token startup on finishing and launching their MVP after the existing developer left the project. I joined an...
Frontend Software Engineer
CABA, CABA, Argentina Republic or remote
#section[About Me] #descript[Senior Frontend Engineer focused on building creative, detail-oriented web apps designed for seamless experiences...
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...
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,...
Product Engineer
Tampa, Florida, US or remote
I'm a very passionate web engineer with 10+ years of experience. I have an eye for detail, both visually and functionally, balanced with a big...
Front End Software Engineer
Brooklyn, New York, US or remote
I am an experienced software engineer with a focus on creating modern, responsive, data driven front-ends for the web. I have made valuable...
Fullstack Web Developer
Richmond, Kentucky, US or remote
In my professional journey as a software engineer and full-stack developer, significant strides have been made across various technological domains....
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 Frontend Developer
São Paulo, São Paulo, Brazil or remote
👨💻 9+ years building web apps with React, TypeScript, Node & more! 🚀 Circle (2022–2025) - Led a Design Systems team of 4 devs 💼...
Senior Software Engineer
Phoenix, Arizona, US or remote
Versatile Software Engineer specializing in JavaScript and Vue.js, with a proven track record in developing and enhancing critical applications for...
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...
Freelance Frontend Dev
Vienna, Vienna, Austria or remote
Jack of all trades, master of some 🧠 +15 years experience at DESTROYING problems I aim to cut the bullshit and solve issues effectively...
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