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Jack & Jill/External ATSJA

Founding ML Scientist (£80k-£120k + Equity) at VC-backed AI security platform

Jack & Jill/External ATS

Salary: 80k-120k GBP

United Kingdom only

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Founding ML Scientist

Salary: £80k–£120k + Equity

Company Description: VC-backed AI security platform

Job Description:
Join a pioneering team building the security layer for AI agents operating in critical environments like banks and hospitals. As a Founding ML Scientist, you'll define next-gen AI security, architect infrastructure for autonomous systems, and shape product vision. This is a chance to make a significant impact at the frontier of AI deployment, ensuring safe and reliable operation.

Location: London, UK

Why this role is remarkable:

  • Define and build the next generation of AI security that learns and adapts to protect autonomous agents.

  • Work with a founding team of experts from intelligence, fintech, and infrastructure software.

  • Enjoy full autonomy over architecture, tooling, and technical standards, shaping the company's engineering culture.

What you will do:

  • Build adaptive AI security solutions that learn and evolve with the agents they protect.

  • Establish the control layer for AI systems making real-time decisions in high-stakes environments.

  • Drive product vision and technical strategy as a core founding team member.

The ideal candidate:

  • Experience training LLMs with modern methods like RL with GRPO or fine-tuning with QLoRA.

  • Proficient in setting up multi-GPU training and inference infrastructure in cloud environments (GCP/AWS).

  • Possesses a founding-engineer mindset, comfortable with ambiguity and prioritizing shipping and iteration.

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About the job

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Posted on

Job type

Full Time

Experience level

Senior
Executive

Salary

Salary: 80k-120k GBP

Location requirements

Hiring timezones

United Kingdom +/- 0 hours

About Jack & Jill/External ATS

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Jack & Jill/External ATS

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