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Freelance User Interface Tester Jobs in California

They are seeking a highly innovative Automotive UI Tester to join their growing team, responsible for testing new features and ensuring the quality of software releases. Responsibilities : • Acting ...

... UI testing tools and frameworks such as Karma and Protractor Clear understanding of CSS styling including fonts, colors and spacing Experience using CSS pre-processors such as Less and SaaS ...

... UI testing tools and frameworks such as Karma and Protractor Clear understanding of CSS styling including fonts, colors and spacing Experience using CSS pre-processors such as Less and SaaS ...

UI Developer

Rancho Cucamonga, CA · On-site

$110K - $112K/yr

Conduct testing and debugging to ensure the functionality and performance of the UI. * Stay updated with the latest UI/UX trends, techniques, and technologies. * Participate in code reviews and ...

UI Developer

San Francisco, CA · On-site

$65 - $70/hr

UI Developer San Francisco, CA Fully Onsite role Local candidate needed Description Tech SaaS ... Build and execute automated testing pipelines, including unit and integration tests, to ensure code ...

UI DEVELOPER

San Francisco, CA · On-site

$59 - $76.50/hr

... unit testing frameworks (Jasmine, Mocha) is Prefered Preferred/Optional Skills Knowledge of ... user interface -- Thanks/Regards Ruchie Agarwal Desk: 408-874-8333 Extn. 299 Cell : 408-543-9574 ...

Experience in at least one UI testing framework like Jest/Mocha or cypress is a must. * Familiarity with web build tools and CI/CD pipelines * Team-player: The candidate should be able to work in ...

UI Developer

Mountain View, CA · On-site

$59 - $76.75/hr

Working and testing with multiple browser versions (IE, FireFox, Chrome, Safari). Working as part of an agile development team Qualification: At least 4 years of experience in UI development with ...

Conduct user testing with military and active-duty warfighters to validate designs * Design user flows and wireframes * Contribute to the development of Anduril's mixed reality interface design ...

UI Engineer

Santa Clara, CA · On-site

$122K - $163K/yr

... testing edge cases, usability, and general - reliability. - Collaborating with remote global teams, including device, cloud, test, etc. to innovate new technologies with maximum development ...

About The Role We are seeking a UX/UI Designer to join our growing team. In this role, you will be ... Experience with prototyping and usability testing. * Strong communication and collaboration skills.

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Freelance User Interface Tester information

What is a freelance user interface tester?

A Freelance User Interface Tester is a professional who evaluates and tests the design and functionality of user interfaces in software, websites, or applications on a contract or per-project basis. Their role is to identify usability issues, bugs, and inconsistencies to ensure a smooth and user-friendly experience. They work independently for multiple clients, providing feedback and detailed reports to help developers improve the product's interface. Freelance UI testers often use various devices and browsers to simulate real-world usage and catch potential problems before release.

What are the key skills and qualifications needed to thrive as a freelance user interface tester?

A Freelance User Interface Tester needs a solid understanding of usability principles, attention to detail, and experience with web and mobile application testing. Familiarity with testing tools like Selenium, BrowserStack, or TestRail, as well as knowledge of bug tracking systems, is typically required. Exceptional communication, problem-solving, and time management skills help testers provide clear feedback and manage multiple projects efficiently. These abilities ensure that interfaces are user-friendly, functional, and meet client expectations in a competitive digital landscape.

How do freelance user interface testers typically manage communication and feedback with remote development teams?

Freelance User Interface Testers frequently collaborate with remote development teams using project management tools, video calls, and instant messaging platforms. Clear and consistent communication is crucial, as testers need to report usability issues, share feedback, and sometimes demonstrate bugs in real time. They often join daily or weekly stand-ups and provide written reports or annotated screenshots to ensure their findings are understood. Building effective communication channels not only streamlines the testing process but also helps freelancers establish trust and long-term relationships with clients.

What are the most commonly searched types of User Interface Tester jobs in California?

The most popular types of User Interface Tester jobs in California are:

What are popular job titles related to Freelance User Interface Tester jobs in California?

For Freelance User Interface Tester jobs in California, the most frequently searched job titles are:

What job categories do people searching Freelance User Interface Tester jobs in California look for?

The top searched job categories for Freelance User Interface Tester jobs in California are:

What cities in California are hiring for Freelance User Interface Tester jobs?

Cities in California with the most Freelance User Interface Tester job openings:

Infographic showing various Freelance User Interface Tester job openings in California as of July 2026, with employment types broken down into 1% Internship, 86% Full Time, 7% Part Time, 1% Temporary, and 5% Contract. Highlights an 71% Physical, 4% Hybrid, and 25% Remote job distribution.

Automotive UI Tester

BYTON

Santa Clara, CA • On-site

Full-time

Re-posted 14 days ago


Job description

Job Summary:
Future Mobility Corporation is leading the next-generation technology innovation and integration for the global auto industry. They are seeking a highly innovative Automotive UI Tester to join their growing team, responsible for testing new features and ensuring the quality of software releases.
Responsibilities:
• Acting as a client surrogate in testing new features, design and perform standardized stability and usability tests over the lifetime of the software.
• Generate bug reports with reproduction steps for the development team, and track them through to their resolution.
• Assess test gaps with respect to customer use cases and uplift test scenario consistently.
• Write high-quality tools and automation.
• Investigate and implement new testing methodologies for robustness and efficiency.
• Interface with Tech Leads to develop proof of concept and help with new product research.
Qualifications:
Required:
• 5+ years of experience in software development in C/C++
• Extensive experience in various phases of testing, designing and developing complex enterprise applications
• Ability to influence and drive quality across teams, across disciplines and across organizations
• Manage the delivery of high quality software releases within budget and to schedule
• Strong record of innovation demonstrated through patents, papers or products
• Proven ability to articulate and advocate a vision for technology direction with customers and internal development teams
• Experience with Quality Assurance Tracking Tools such as JIRA, qTest, PractiTest, etc.
• Experience with software project management, familiar with agile methodology
• Desired experience: Developing embedded systems and/or Automotive
• Bachelor in Automotive/Embedded Software/Computer Science/Systems Engineering with 5+ years of work experience
• Experience with testing procedures for self-driving vehicles
• Strong presentation skills and excellent interpersonal skills; fun, outgoing and easy to work with
• Self-starter able to operate with minimal supervision to achieve objectives
Company:
BYTON operates as an electric vehicle company that designs cars as a fully connected smart device on wheels. Founded in 2016, the company is headquartered in Nanjing, CHN, with a team of 1001-5000 employees. The company is currently Late Stage.