51 Best Senior Unit Testing Contractor 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,...
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 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...
Front-end Engineer
Norfolk, Virginia, US or remote
Senior Software Engineer | Boost Insurance - New York, NY Dec 2021 - Apr 2023 - Lead discussions on platform and architecture and testing solutions...
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...
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#) •...
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...
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,...
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...
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...
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...
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...
Front-End Web Developer
Charlotte, North Carolina, US or remote
I am an experienced front-end web developer with a strong understanding of design and usability. I create high-quality and compelling user...
Senior Software Engineer
Vancouver, BC, Canada or remote
Worked on many projects on cross-functional teams in Cyber Security, Housing, Medical, Virtual Reality. I am experienced with integrating AI into...
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...
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 Frontend Engineer - ReactJS/VueJS
Zamboanga, Zamboanga del Sur, Philippines or remote
Senior Frontend Engineer, TitanFX (via X-Team) Tech Stack: React 19, NextJS 15, TailwindCSS, Radix UI, Tanstack Table, React Hook Form, zustand,...
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