Tester; AI

We're looking for a talented Senior Tester (AI) to play a key role in the implementation, testing, and continuous improvement of Liaison Care's innovative AI-powered products. Working closely with developers, product owners, and stakeholders, you'll ensure our AI solutions are robust, reliable, and deliver an outstanding user experience. You'll lead both manual and automated testing activities, help drive quality throughout the development lifecycle, and champion best practices including test-driven development.

PRINCIPAL TASKS & ACTIVITIES

• Continuously adopt proven AI testing strategies, techniques and industry best practices, proactively improving the quality, reliability, safety and performance of AI-powered solutions.
• Undertake test planning activities for Agile deliveries.
• Add test scripts and maintain Automated test framework.
• Plan own workload and scope/requirements.
• Analyse functional and technical specifications and user stories to derive test cases and scenarios.
• Participate in document and peer reviews.
• Agree test scope and scenarios with key stakeholder/clients.
• Identify issues and risks relating to workload, elevate these appropriately and provide suggested mitigating actions.
• Review own test conditions, test scripts / user stories, input test data, and expected results for all test phases.
• Effectively prepare regression, ad hoc and re-tests as required.
• Ensure software meets functional and non-functional requirements.
• Write test cases and document results in accordance with company standards.
• Maintain comprehensive and auditable test documentation to support regulatory compliance, including requirement for medical device standards where applicable.
• Help refine user stories by working with the product owner and developers., We are proud to support our colleagues and will offer an interview to any candidate with a disability, should they match the skills and experience required for the role.

Liaison Group is committed to creating a diverse and inclusive environment and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment regardless of race, colour, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status. We pride ourselves on being a place where we can all be ourselves and succeed on merit.

Liaison Group are committed to the Good Recruitment Campaign and are official signatories for the Good Recruitment Charter.

• Experience of testing and evaluating non-deterministic AI systems using statistical and dataset-based techniques to assess quality, reliability, accuracy and performance.
• Experience testing Generative AI or Copilot solutions.
• Knowledge of AI security testing and red-teaming practices, including OWASP LLM Top 10 style risks.
• Familiarity with common AI failure modes, including hallucination, retrieval failures, grounding issues, prompt injection, safety concerns, model drift and regression following prompt or model changes.
• Previous experience in web-based Software and API testing.
• Experience testing products that process highly sensitive data, for example NHS Patient Identifiable Data.
• Experience in, and understanding of, the software development process, preferably in a web based (SAAS) environment.
• Knowledge and practical experience of test tools and industry standard best practice.
• Knowledge or experience of the agile development processes (e.g. Scrum).

• Experience of Microsoft's AI evaluation and testing tools.
• Experience testing RAG and agent-based solutions
• Experience performing bias, safety and security testing
• Experience testing Power Apps, Power Automate, Copilot Studio agents.
• Experience testing and validating data across…