Refractal Ltd in London is seeking a seasoned ML Engineer to own the production models behind detections and the analyses that show performance for each customer. You will train, tune and ship classifiers for prompt injection, data exfiltration and other risky AI activity, and design low-latency models.
The role emphasizes evaluating drift, false positives and latency, building benchmarks, and turning policies into measurable controls.
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Senior ML Engineer - Real-Time AI Security & Detection in London employer: Refractal Ltd
Refractal is an exceptional employer for Platform Engineers, offering a unique opportunity to work at the forefront of AI security in London. With a culture rooted in radical transparency and public service, employees are encouraged to innovate and take ownership of their projects while benefiting from competitive salaries, meaningful equity, and direct influence over product development. The company prioritises employee growth through hands-on experience with real-world AI deployments and provides support for visa sponsorship, making it an attractive choice for those seeking impactful and rewarding careers.
