QA Engineer for AI Safety

A leading AI safety startup in Paris is seeking a skilled Data Engineer to architect a scalable data environment handling vast amounts of data. The ideal candidate will have substantial experience with modern data stacks like Snowflake and ClickHouse, and expertise in SQL and Python. This full-time role involves optimizing data performance and ensuring data...

White Circle is seeking a QA Engineer to design and maintain end-to-end test automation frameworks for our web platform. In this role, you will ensure quality by integrating automated tests into CI/CD pipelines and improving test reliability.The ideal candidate has 2+ years of QA automation experience, is skilled in Playwright and Python, and is comfortable...

White Circle is seeking a Product Engineer (Backend – Rust) to own and evolve core systems powering AI safety at scale—building APIs that handle hundreds of millions of requests with low latency and high reliability.You will design and ship backend services in Rust, own features end-to-end from API design to database schema and deployment, and...

A leading AI safety startup in Paris is seeking a Frontend Engineer to build intuitive interfaces for safety monitoring tools. The ideal candidate will have strong experience with TypeScript, React, and LLMs, focusing on design and performance. Responsibilities include creating user-friendly dashboards and implementing APIs. This full-time role offers an...

Terabase Energy in Paris is seeking an experienced QA engineer to own quality end-to-end for Construct, our B2B SaaS construction management platform. You will design and execute manual tests and oversee automation across web and mobile apps, collaborating with US engineers and Belgrade partners.The role emphasizes test strategy, automation, and first-line...

We're looking for a QA Engineer to join White Circle, an AI Safety company building the safety, reliability, and optimization layer for AI systems through natural-language policies it automatically tests, enforces, and improves at scale. Backed by $70M (Series A) from top funds and senior leaders at OpenAI, Anthropic, HuggingFace, Mistral, DeepMind, and...

Senior Consultant | Blockchain/Web3, Semiconductor, Software Engineering We are partnered with a cutting‑edge AI safety startup that is building the foundational reliability and optimization layer for advanced AI systems capable of managing hundreds of millions of API calls monthly and train proprietary LLMs and VLMs that outperform commercial and...

White Circle, an AI Safety company, seeks a Research Engineer to own our internal benchmarks for single/multi-turn content guardrails and agent safety. You will build evals for flagship models and extend benchmarks as product data evolves, collaborating with the product team and research groups.You will craft synthetic data, reproduce published benchmarks,...

TLDR: We’re looking for a hands‑on QA Engineer to own product quality across our rapid release cycles. You’ll spend most of your time manually testing new features and fixes across our web platform and APIs: exploring edge cases, identifying risks, running focused regression checks, and giving the team fast, clear feedback. You’ll also automate...