Sr. QA Engineer

About Firework

Join Firework – Where Innovation Meets Impact

Firework is revolutionizing connected commerce with the world's most advanced and largest AI-powered video commerce platform, trusted by global brands and leading retailers. We bring the energy of in-store experiences online, transforming how businesses engage, convert, and build lasting customer relationships.

At Firework, you'll be part of a high-growth, team-centric environment where innovation thrives and collaboration fuels success. Having raised over $235m to date led by investors such as the SoftBank Vision Fund 2 and operating at a global scale, we offer unparalleled opportunities to work cross-functionally, solve complex challenges, and drive meaningful impact in the future of connected digital commerce.

If you're curious, ambitious, and energized by big ideas, Firework is the place to grow, lead, and shape the next era of online shopping—together.

Summary

We are seeking a detail-oriented Sr. Quality Assurance Engineer to join our team to work on global quality projects using a variety of technologies. In this visible role, you'll work closely with product leaders, engineering teams, and the business to own the quality assurance deliverables end to end. This role is ideal for someone who loves finding bugs, thinking like an end user, and ensuring smooth product experiences.

What you'll be doing

• Work closely with product managers, designers, and the rest of the engineering team to build elegant and scalable product experience across multiple platforms
• Lead the planning, design, and execution of comprehensive testing strategies for new and existing features
• Provide mentorship and guidance to QA team members, reviewing test cases and sharing knowledge
• Review product requirements, specifications, and technical design documents to create detailed, comprehensive, and well-structured test plans and test cases
• Manually execute test cases, document results, and track defects through the bug lifecycle
• Log clear and reproducible bug reports with detailed steps, screenshots, and videos as needed
• Re-test resolved defects to verify fixes and prevent regressions
• Validate data accuracy and system behavior across different browsers, devices, and environments
• Maintain and update existing test cases to reflect product changes
• Provide feedback on usability, user experience, and edge cases that may not be covered in requirements
• Strategize and develop ideas for new programs, products, or features by monitoring industry developments and trends

We'll be excited if you have

• Bachelor's degree, preferably in Computer Science or other technical field
• 5-8+ years working as a QA Analyst/Tester, preferably across Web, Android, iOS and other mobile application development or testing environments
• Minimum 3+ years experience with driving quality projects through process, automation, instrumentation, requirements, and test with agile frameworks
• Proven knowledge of QA methodologies and with bug tracking tools
• Experience with Jira, Charles Proxy, BrowserStack, and TestRail
• Great product sense and attention to detail
• Excellent communication skills and able to explain verbally or via written communication to a variety of audiences
• Startup and growth mindset; be able to thrive in a fast-paced global environment focused on learning and knowledge sharing
• Strong analytical thinking and problem solving skills
• Ability to work independently and be self-directed

A big plus if you have

• Automation experience with Python

Location

This role is remote and we are looking for candidates based in Mexico or Latin America

Don't hold back

We understand some candidates may see the above and not apply because they don't meet all the qualifications. We encourage you to apply anyway; we often find talented candidates that fit many other opportunities we have and look for potential too, not just what you did in the past.  As an equal employment opportunity employer, we are a diverse team that strives for an inclusive environment for all. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, age, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, state, or local laws.