Lead AI Engineer at Causalens

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack. Job Title Lead AI Engineer Salary Not Disclosed Company Description Causalens.com is a $50M+ funded London startup building a platform for autonomous AI "Digital Workers" for enterprise clients like Johnson \& Johnson and Cisco. Backed by Molten Ventures and the CEO of Revolut, the team includes leading researchers and engineers dedicated to operationalizing agentic AI at scale. Job Description You will design and deliver enterprise-grade AI systems, acting as a forward-deployed engineer for global organizations. By embedding with clients to untangle complex workflows, you’ll translate business problems into scalable agentic systems using LLMs, RAG, and multi-agent orchestration. This hands-on leadership role bridges deep technical architecture with high-impact business automation. Location London, UK Why this role is remarkable * Join a $50M+ funded category leader backed by Molten Ventures and top-tier angel investors like the CEO of Revolut. * Work on production-grade AI that moves beyond demos, building autonomous Digital Workers already used by global giants like Cisco and Syneos Health. * Engage in a "forward-deployed" environment influenced by the Palantir playbook, focusing on high-stakes problem-solving and technical ownership. What You Will Do * Embed directly with enterprise clients to map complex operational workflows and translate them into robust technical strategies. * Design and architect scalable multi-agent systems integrating LLMs, RAG pipelines, and enterprise-grade data orchestration. * Lead the end-to-end engineering lifecycle from initial whiteboarding and system design to production deployment and iteration. The ideal candidate * Deep hands-on experience building production-grade AI systems using LLMs, agentic workflows, and complex retrieval/reasoning frameworks. * Proven track record in client-facing technical roles, ideally within top-tier consultancies or high-growth tech firms like Palantir or Quantexa. * Strong architectural expertise in Python and cloud environments (AWS/GCP/Azure) with the ability to lead other engineers by example. Who are Jack \& Jill? Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support. And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate. How does this work? * Jack's an AI agent for job searching and career coaching. He works for you. * Jill is the AI recruiter working for the company. She recruits from Jack's network. * If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives. We never post fake jobs This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description. We appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.