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
Skills Required
- 3+ years of professional QA experience, including mobile application QA
- Hands-on experience with performance testing tools such as JMeter or LoadRunner
- Experience with security testing, vulnerability assessment, and CVE handling
- Native-level Japanese proficiency
- Business-level English proficiency for technical documents, issues, pull requests, and global discussions
- Demonstrated ability to identify and resolve quality issues autonomously
- Experience leading QA initiatives or collaborating cross-functionally with product managers and developers
- QA experience with AI or machine learning products
- Hands-on experience with test automation using Selenium or Appium
- Experience integrating QA into CI/CD environments such as Jenkins or GitHub Actions
- Knowledge of AWS, GCP, and related QA or security testing
- Experience building or operating automated regression testing and quality dashboards
- Familiarity with GDPR, ISO 27001, or similar security and privacy compliance standards
- Experience designing QA processes for startups and agile environments
- Experience working effectively in multicultural teams
What We Do
XinobiAI develops innovative AI agents and agent platforms for individuals, businesses, and local governments. Its mission is to help people and AI thrive together while transforming lifestyles, advancing business innovation, and reimagining public services. The company has global ambitions and says it brings together experienced AI engineers and executives to build applications that improve personal life, company operations, and government services.
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