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Senior Quality Assurance Specialist

Company:
Critical Mass
Location:
San Jose, Costa Rica
Posted:
September 23, 2025
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Description:

The Senior Quality Assurance (QA) Specialist has extensive experience and background in applied QA in an Internet, software, or media development environment. The Senior QA Specialist is responsible for fostering a strong relationship with other CM departments and our clients. In addition, the Senior QA Specialist is a key resource on high risk, high exposure projects or new business development that requires specialized QA attention.

You Will:

Monitor and implement improvements to the QA process

Research, recommend and administer QA tools

Ensure sufficient resources, including hardware, software, and personnel, are assigned to the projects over which he/she has QA management responsibility

Occasionally manage and mentor more junior QA Specialists in the execution of their tasks & responsibilities. These include: QA estimating & planning, QA reporting & documentation, walkthroughs and inspections

Execution of integration, white box, functionality, regression, load, performance and acceptance testing

Intervene and escalate issues when they pose a threat to project quality

Ensure test documentation & results are maintained for the projects over which he/she has QA management responsibility

Fulfill all the roles of QA Specialist on projects where he/she is Primary QA

Organize and chair regular QA status update meetings

You Have:

3+ years experience with formal test methods and quality assurance programs in an Internet, software or media development environment

Experience with the development and implementation of Web based systems and products

Experience testing banners (e.g., ad creatives, campaign assets, google studio)

Experience testing emails using tools such as Litmus, Email on Acid, and BrowserStack

Experience, or familiarity with Front End development

Experience providing testing of responsive web applications

Competence with multiple Web browsers and operating systems, and an understanding of their differences and issues

Experience in the preparation and/or execution of formal test cases, scripts and scenarios

Experience managing test cases and bugs using JIRA (or similar platforms)

Knowledge and familiarity with Web Content Accessibility per WCAG 2.0 guidelines

Demonstrated ability to prioritize, delegate, track and coordinate multiple tasks

Demonstrated ability to meet deadlines and deliver against aggressive schedule pressures

Excellent communication skills (written and verbal)

Positive attitude towards work, environment and co-workers

What We Offer:

Global maternity and parental leave

Competitive benefits packages

Vacation, compassionate leave, wellness days, and flex days

Access to online services for families and new parents

13 affinity groups

Internal learning and development programs

Enterprise-wide employee discounts

The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible! Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.

Critical Mass is an equal opportunity employer.

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based:

If Canada based:

If U.K. based:

If Costa Rica based:

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