Senior AI Engineer: Build Advanced AI Agents for PE (Hybrid UK)

Company: Antler Co
Apply for the Senior AI Engineer: Build Advanced AI Agents for PE (Hybrid UK)
Location: London
Job Description:

Capsa AI in London is hiring a Staff / Senior AI Engineer to own core AI capabilities and agent infrastructure. You will design prompts, architectures, and reasonings to deliver high-quality outputs and integrate new models and data sources.

Ideal candidates have 4+ years in software engineering with AI/ML systems in a venture-backed startup or tech firm, and hands-on experience with Python, LLMs, and modern AI toolchains.

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Posted: October 6th, 2026