SDET – AI

Company: Anaplan
Apply for the SDET – AI
Location: London
Job Description:

Overview

In this role you will design and implement automated QA strategies for GenAI features, ensuring reliable, accurate, and trustworthy AI-powered workflows. You will work across evaluations, APIs, UIs, and performance tests to validate non-deterministic AI systems. You’ll shape evaluation frameworks for GenAI metrics like accuracy and safety, and help scale testing within a cross-functional AI-focused team. This is a hands-on, impact-driven position at a leading AI-infused planning platform that serves Fortune 50 customers. You will translate complex AI behavior into robust test coverage and actionable insights.

Responsibilities

  • Develop and execute end-to-end automated test coverage across evaluations, APIs, UIs, and performance tests using Python
  • Implement testing strategies for GenAI features, including conversational AI and agentic systems
  • Maintain automated test suites for prompt testing and regression tests to detect model behavior changes
  • Support evaluation frameworks measuring GenAI performance across accuracy, relevance, safety, consistency, and latency
  • Curate high-quality test datasets and golden examples representing diverse user scenarios
  • Assist in adversarial testing to identify hallucinations or biases and support production alerting integration
  • Utilise internal tools and testing frameworks to help developers validate GenAI code and assist with UAT
  • Document testing procedures and known issues for automated coverage workstream

Key requirements

  • Solid QA or test engineering experience with exposure to AI/ML systems
  • Hands-on Python coding experience
  • Knowledge of GenAI technologies including LLMs, prompt engineering, and AI application patterns
  • Experience with test automation frameworks and scripting (Python, Pytest, API, UI Testing)
  • Understanding of functional, integration, regression, performance, and security testing
  • Ability to execute test cases for non-deterministic systems
  • Experience with API testing tools (Postman, REST Assured) and backend testing
  • Familiarity with CI/CD pipelines and automated testing integration
  • Python
  • Pytest
  • API testing
  • UI testing
  • Postman
  • REST Assured

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Posted: October 1st, 2026