As a Verification Engineer, you will play a critical role in ensuring the quality, performance, and reliability of our products.
You will lead the end-to-end QA process — from planning, designing, executing, and reporting tests — covering web and mobile applications.
This role offers both speed and ownership, collaborating closely with cross-functional and international teams to build and scale our QA foundation in a dynamic startup environment.
ResponsibilitiesLead and execute the full QA process (planning, design, implementation, execution, reporting)
Ensure quality across web and mobile applications
Conduct performance testing using tools such as JMeter / LoadRunner, including bottleneck analysis
Perform security testing using tools such as OWASP ZAP and Burp Suite, and create risk/vulnerability reports
Detect defects, propose improvements, and drive pre-/post-release quality assurance
Collaborate with PMs and developers, and help lead QA team initiatives
Implement test automation and integrate QA into CI/CD environments (Jenkins, GitHub Actions, etc.)
Collaborate with overseas teams in a multicultural environment
3+ years of professional QA experience (including mobile app QA)
Hands-on experience with performance testing tools (e.g., JMeter, LoadRunner)
Experience in security testing (e.g., vulnerability assessment, CVE handling)
Language: Native-level Japanese & Business-level English (able to read technical documents, write Issues/PRs, and discuss with global members)
Proven track record of identifying and solving quality issues autonomously (e.g., major bug detection, quality improvement projects)
Experience in leading QA initiatives or working cross-functionally with PMs and developers
QA experience with AI/ML-related products (e.g., model evaluation, bias testing)
Hands-on experience in test automation (e.g., Selenium, Appium)
Experience integrating QA in CI/CD environments (Jenkins, GitHub Actions)
Knowledge of cloud platforms (AWS, GCP) and related QA/security testing
Experience in building/operating automated regression testing and quality dashboards
Familiarity with security/privacy compliance (GDPR, ISO27001, etc.)
Experience in QA process design for startups / fast iteration in agile environments
Track record of working effectively in multicultural teams
