About: White Circle builds a safety, reliability, and optimization layer for AI systems. Its platform uses natural-language policies to automatically test, enforce, and continuously improve AI behavior at scale.
Responsibilities:
•Manually test new features and fixes during frequent, short release cycles, sometimes as short as one working day
•Understand product changes quickly, identify high-risk areas, and provide clear release feedback
•Perform exploratory, smoke, regression, and integration testing across the web platform and APIs
•Create concise, practical test plans and checklists for new features and releases
•Investigate unexpected behavior, isolate root causes, and write clear, reproducible bug reports
•Work with engineers and product owners to clarify requirements and improve testability before development is complete
•Build, maintain, and integrate automated tests for stable, business-critical flows into CI/CD to improve reliability and speed
Requirements:
•Have 2+ years of QA automation experience and have built frameworks from scratch
•Have experience with Playwright for end-to-end UI testing and structuring scalable test suites
•Write clean automation code in Python using pytest, fixtures, and parametrize
•Have integrated automated tests into CI/CD pipelines such as GitHub Actions or GitLab CI
•Communicate clearly and work well with others
•Be curious, proactive, eager to learn, ask questions, think critically, and look for ways to improve processes and solutions
•Submit the application in English
Nice to have:
•Experience testing AI or LLM-based products and handling non-deterministic outputs, confidence scoring, and edge-case prompts
•Familiarity with performance or load testing using k6 or Locust
•Experience with Postman, Insomnia, Yaak, or API contract testing
•Background in security-aware QA or SOC 2 environments
Conditions:
•Competitive compensation package, including equity
•Flexible time off and paid time off in line with local regulations
•Work from Paris or London (hybrid)
•Relocation package for Paris
•Medical insurance in France
•Learning and development support for courses, conferences, and skill growth
•Hardware, tools, and services provided
•Subscriptions for AI agents and IDEs covered
•Team off-sites twice a year
•Take-home test assignment as part of the hiring process
