Senior QA Engineer

Home > Javascript/Typescript programming jobs

Senior QA Engineer in Remote

MSQ DX
Full time
Email

Remote
10/09/2026
Report

Brazil

Responsibilities

Perform quality assurance and user acceptance testing for customer-facing web applications.
Create test plans, testing strategies, test cases, reusable test utilities, and test data strategies.
Conduct manual, automated, functional, integration, API, cross-browser, cross-device, desktop, and mobile testing.
Coordinate and manage releases involving feature updates, bug fixes, enhancements, and other product changes.
Validate API integrations and collaborate with developers, business analysts, project managers, and product stakeholders.
Review workflows, user journeys, UI designs, business requirements, and acceptance criteria for testability and completeness.
Manage project requirements and test results using Agile project and documentation tools.
Review applications for accessibility and compliance, including ADA and WCAG 2.0 Level AA requirements.
Use JavaScript, HTML, and CSS to debug UI issues, analyze DOM behavior, and support automated test development.

Requirements

At least 3 years of quality assurance and manual testing experience with public-facing web applications.
At least 3 years of experience on web-based software projects across the software development lifecycle.
At least 2 years of automated testing experience using Cypress, Playwright, or similar tools, including test architecture, reusable utilities, test data strategy, and CI/CD integration.
At least 2 years of experience validating API integrations with tools such as Swagger and Postman or automated API testing frameworks.
Previous release management experience.
Experience working in Agile or Waterfall environments and evaluating requirements, edge cases, and acceptance criteria.
Experience with Figma, Miro, or similar workflow, diagramming, and design collaboration tools.
Experience with Azure DevOps, Jira, Confluence, ADO wiki, or similar project and knowledge management tools.
Preferred experience with BrowserStack, LambdaTest, or similar cross-browser and cross-device testing platforms.
Bachelor’s degree from an accredited college or university; Business, Management Information Systems, or Accounting concentration is preferred.
Preferred experience testing CMS platforms such as Sitecore, Optimizely, ContentStack, or Contentful.
Experience with ADA and WCAG 2.0 Level AA compliance testing is desirable.
Experience writing automated functional and integration test scripts.
Working knowledge of JavaScript, HTML, CSS, React, Next.js, or similar front-end frameworks.
Strong communication, collaboration, organization, prioritization, independent judgment, customer service, and attention-to-detail skills.

Benefits

US-based employees receive health, dental, vision, life, and disability insurance.
US-based employees receive a 401(k) plan with up to a 4% company match.
Employees receive self-managed personal time off.
The company provides ongoing learning, mentorship, and professional development opportunities.
Brazil team members receive competitive compensation and access to cross-cultural growth and collaboration opportunities.

Salary: Competitive

MSQ DX

MSQ DX is a London-headquartered digital experience and technology consultancy that designs and builds revenue-focused websites and products for complex organizations. It offers strategy, design, engineering, and AI-enabled delivery, working across platforms like Optimizely, Sitecore, Contentful,...

Similar positions

Automation QA Engineer (QVAC)

Tether Operations Limited
Full time

Remote
10/15/2026

Worldwide

Frontend Senior

Convotis Iberia
Full time

Others
10/15/2026

Elche, Spain

Senior Customer Engineer AI Start

Cloudflare
Full time

Remote
10/15/2026
Salary: $213k-$335k

Worldwide

Lead Software Engineer - Full Stack

JPMorgan Chase
Full time

USA
10/15/2026
Salary: Competitive

Plano, TX

Frontend Desktop Engineer

Tether Operations Limited
Full time

Remote
10/15/2026

Worldwide