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Sr. Engineer - Testing & Quality Assurance P 4B

9752-G (UK) Ltd: Floor 24, 110 Bishopsgate, London, UK💼 Full-time🗓 2026-08-31 → 2026-09-26

Core

Lead the design, optimization, and standardization of annotation processes and prompts for AI use cases, ensuring quality judgments and governance.

Role type

Senior QA Engineer (AI Prompt & Annotation Governance)

Builds

Annotation schemas, taxonomies, evaluation rubrics, and prompt frameworks for AI models.

Domain

Artificial Intelligence / Prompt Engineering / Data Annotation

Deliverable

production ML models

Required skills

Prompt Engineering, Annotation Schema Design, AI Quality Governance, Bias Detection, Calibration Processes, Test Process Improvement, Agile Methodology, Automated Testing, QA Automation

Preferred skills

Data-driven insights, Process improvement, Mentoring

Technologies

Cucumber, Cypress.io, Selenium, TOSCA, Appium, iTKO LISA

Responsibilities

Lead design and standardization of annotation processes and prompts; Collaborate with AI teams to define annotation schemas and evaluation rubrics; Review high-risk AI outputs and provide quality judgments; Establish quality benchmarks and calibration protocols; Identify bias and hallucinations in AI outputs; Mentor junior annotators and prompt engineers.

Seniority

Senior, hands-on IC with mentorship responsibilities

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