DB Tester

Your Role

The successful candidate will be responsible for the following: - Must know Japaneese

• Design, build, and maintain automated test frameworks for data integration pipelines, transformation processes and AI/ML models.
• Define and govern evaluation datasets, golden data, and quality benchmarks for data and AI systems.
• Develop and execute comprehensive test strategies to validate data accuracy, completeness, consistency, lineage, model bias/fairness, and regulatory compliance.
• Build and automate end-to-end evaluation pipelines for large-scale data and AI workflows (batch/streaming where applicable).
• Partner with cross-functional teams (Data Engineering, App Dev, Platform, Security, Risk/Compliance, and Business) to define QA strategy and ensure alignment with requirements and acceptance criteria.
• Monitor, analyze, and report key quality metrics, including:Ø Data quality indicators (e.g., freshness, validity, reconciliation, SLA adherence)Ø Evaluation coverage (datasets, scenarios, edge cases)Ø Model performance (task-specific KPIs, drift)Ø Hallucination and bias rates (where applicable)Ø Compliance incident rates and audit findings·
• Implement advanced QA capabilities such as anomaly detection, automated data validation, model behavior testing, and robustness/guardrail evaluations.
• Ensure adherence to data governance, privacy, and security standards (access controls, PII handling, retention, auditability).
• Drive adoption of best practices across CI/CD, DevOps, MLOps, and test automation (quality gates, versioning, reproducibility).
• Stay current with evolving AI technologies, regulatory expectations, and industry QA standards; translate them into actionable engineering practices.
• Champion a culture of quality, innovation, and continuous improvement through standards, playbooks, and coaching across engineering teams.

Your Profile

The successful candidate will be responsible for the following: - Must know Japaneese

• Design, build, and maintain automated test frameworks for data integration pipelines, transformation processes and AI/ML models.
• Define and govern evaluation datasets, golden data, and quality benchmarks for data and AI systems.
• Develop and execute comprehensive test strategies to validate data accuracy, completeness, consistency, lineage, model bias/fairness, and regulatory compliance.
• Build and automate end-to-end evaluation pipelines for large-scale data and AI workflows (batch/streaming where applicable).
• Partner with cross-functional teams (Data Engineering, App Dev, Platform, Security, Risk/Compliance, and Business) to define QA strategy and ensure alignment with requirements and acceptance criteria.
• Monitor, analyze, and report key quality metrics, including:Ø Data quality indicators (e.g., freshness, validity, reconciliation, SLA adherence)Ø Evaluation coverage (datasets, scenarios, edge cases)Ø Model performance (task-specific KPIs, drift)Ø Hallucination and bias rates (where applicable)Ø Compliance incident rates and audit findings·
• Implement advanced QA capabilities such as anomaly detection, automated data validation, model behavior testing, and robustness/guardrail evaluations.
• Ensure adherence to data governance, privacy, and security standards (access controls, PII handling, retention, auditability).
• Drive adoption of best practices across CI/CD, DevOps, MLOps, and test automation (quality gates, versioning, reproducibility).
• Stay current with evolving AI technologies, regulatory expectations, and industry QA standards; translate them into actionable engineering practices.
• Champion a culture of quality, innovation, and continuous improvement through standards, playbooks, and coaching across engineering teams.

For this role, the gross annual starting base salary is [X] [currency] (full-time). This covers base pay only; any bonuses, incentives, and benefits will be discussed later in the recruitment process. Candidates with additional experience or qualifications may receive a higher offer, determined by objective, gender-neutral criteria and consistent with our pay principles. If a collective labour agreement applies, we will explain the relevant pay terms at the interview stage. Note: We never ask for your current or previous salary during our hiring process.