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Software Developer in Test (Artificial Intelligence)
LondonSource: WhatJobs
£90,000–£120,000
We’re pioneering a new role focused exclusively on quality assurance for GenAI/Agentic systems. As our Senior SDET for AI, you’ll develop testing strategies, evaluation frameworks, and quality metrics specifically designed for LLM-powered applications. This role requires a unique blend of QA expertise, understanding of GenAI behaviour, and automation skills to ensure our AI features are reliable, accurate, and trustworthy
Design and architect comprehensive test plans, evaluation frameworks, and quality metrics designed specifically for LLM-powered applications and agentic workflows
Develop robust, end-to-end automated test suites in Python across evaluations, API checks, UI checks, and performance tests
Create automated prompt testing systems and regression suites to proactively detect unintended changes in model behaviour
Establish multi-dimensional evaluation criteria to measure and track GenAI quality across accuracy, relevance, safety, consistency, and latency
Perform adversarial testing (red-teaming) to identify and mitigate model hallucinations, biases, or security vulnerabilities
Develop internal tools and testing frameworks that enable software engineering teams to seamlessly validate their own GenAI implementations
Deploy real-time monitoring and alerting systems to quickly detect and flag quality degradation of AI features in production
Own the overall quality and testing strategy for your workstream, maintaining high-fidelity test datasets (“golden examples”) and defining QA best practices
Experience with API testing tools (Postman, REST Assured) and backend testingStrong hands-on Python coding experienceDeep understanding of GenAI technologies including LLMs, prompt engineering, and AI application patternsProven ability to design test cases and evaluation criteria for non-deterministic systemsStrong experience with CI/CD pipelines and automated testing integrationStrong analytical and problem-solving skills with attention to detailStrong background of software testing methodologies (functional, integration, regression, performance, security testing)Expert experience with test automation frameworks and scripting (Python, JavaScript, Selenium, Pytest)
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