Quality Assurance Engineer

Cosm; Los Angeles (CA); On-site; USD 85,000 - 95,000; Full time

Job summary

Cosm is seeking a QA Engineer to verify quality across digital and live-streaming products. You will design and execute test plans, automate where possible, and partner with Design, Product, and Engineering to ensure top-tier user experiences across mobile and web platforms.

The ideal candidate has 3–5 years of QA experience, strong SDLC/STLC knowledge, and hands-on testing of APIs using tools like Postman. This role is on-site in Los Angeles, CA.

Qualifications

• Bachelor's degree or equivalent experience is required.
• 3-5 years of QA experience in software testing.
• Solid knowledge of SDLC and STLC.
• Experience with functional, regression, exploratory and smoke testing.
• Experience in Agile/Scrum environments.
• Experience testing mobile and web apps, including API testing.

Responsibilities

• Participate in sprint planning and backlog grooming to provide QA input early in development.
• Design, create and maintain test plans and test cases for new features and regression coverage.
• Execute functional, regression, exploratory, and smoke testing across product components.
• Validate that digital and physical product functionality meets requirements.
• Perform smoke and regression testing ahead of releases and sign-off.
• Write clear bug reports and track defects through resolution.
• Collaborate with Design, Product, and Engineering through the lifecycle.
• Identify risks and communicate them proactively and help evolve QA practices.

Skills

QA experience

SDLC/STLC

Functional testing

Regression testing

Agile/Scrum

API testing

Postman

Charles Proxy

Browser debugging tools

JIRA

Github

Test planning

QA documentation

Communication

Education

Bachelor's degree or equivalent experience

Tools

Postman

Charles Proxy

Browser developer tools

JIRA

Github

Job description

Cosm is a global technology company that brings experiences to life in immersive environments. We help our partners create spaces and content that blur the lines of real and virtual across three primary markets: Sports and Entertainment, Science and Education, and Parks and Attractions.

Cosm was born from the fusion of some of the greatest innovators in the history of technology. Evans & Sutherland, Spitz, Inc., and Cosm Immersive combined forces to power the immersive experiences of the future as Cosm. Innovation is in our DNA.

Summary

The Cosm Engineering team develops technology to deliver best-in-class experiences in our digital and live-streaming products. We are looking for a talented QA Engineer to help ensure the quality and user experience across various platforms. We expect our engineers to be versatile, display leadership qualities, and be enthusiastic when taking on new problems across the full stack as we continue to push the technology forward.

The ideal candidate will be closely working with technical and business teams to plan, develop and maintain tests and to develop best practices. You will work in an energetic and highly creative environment with a group of highly talented, passionate, and successful individuals.

Responsibilities

• Participate in sprint planning and backlog grooming to provide QA input early in the development process.
• Design, create, and maintain test plans and test cases covering new features and regression coverage.
• Execute functional, regression, exploratory, and smoke/sanity testing across one or more product components and/or features.
• Validate that functionality of digital and physical products meets requirements.
• Perform smoke and regression testing ahead of releases to support release readiness and sign-off.
• Write detailed, clear bug reports for defects found during testing and track them through resolution.
• Collaborate closely with a cross-disciplinary team (Design, Product, and Engineering) throughout the development lifecycle.
• Identify potential risks and issues that may impact quality and user experience, and communicate them proactively.
• Contribute to and help evolve QA best practices and processes as the team scales.

Experience

• Bachelor's degree or equivalent experience.
• 3-5 years of relevant QA experience.
• Solid working knowledge of the software development lifecycle (SDLC) and software testing lifecycle (STLC).
• Experience with core testing types, including functional, regression, exploratory, and smoke/sanity testing.
• Experience working in Agile/Scrum environments.
• Experience testing mobile and web applications, including API testing.
• Experience with tools such as Postman, proxies (e.g., Charles Proxy), and browser developer toolbars.
• Experience with JIRA and Github.
• Strong experience writing clear test cases, test plans, and QA documentation.
• Excellent verbal and written communication skills.
• Ability to organize and prioritize individual workload to meet required deadlines

Preferred Experience

• Exposure to test automation frameworks such as Selenium, Cypress, or Playwright.
• Familiarity with CI/CD tools such as GitHub Actions or CircleCI and how automated tests fit into a pipeline.
• Experience with cross-browser/device testing platforms such as BrowserStack or Sauce Labs.
• Experience with test case management tools such as TestRail or Xray.
• Experience using AI-assisted tools to support test case generation, bug triage, or other QA workflows.

The annualized base salary range for this position in California is $85,000 to $95,000. The base salary offered will factor in internal equity and may also vary depending on the candidate's geographic region, job-related knowledge, skills, and relevant experience, among other factors.

All applicants must be at least 18 years of age at the time of employment. This requirement is in accordance with applicable federal, state, and local labor laws. Cosm is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.