AI Engineer (Research)

Space Executive; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading AI company in the UK is looking for an experienced AI Engineer with a PhD to lead the design and delivery of AI systems for top-tier clients. The role involves collaborating with senior stakeholders and solving complex problems with innovative AI solutions. Ideal candidates will have hands-on experience with LLMs and a strong understanding of scalable architectures. This position offers the opportunity to work on impactful projects and be part of a rapidly growing firm.

Benefits

Work on high-impact AI projects

Collaborate with experts

Fast-growing company culture

Qualifications

• Hands-on experience building and deploying production AI systems.
• Strong understanding of scalable AI architectures.
• Ability to engage with clients to deliver results.

Responsibilities

• Lead the design and delivery of AI systems for top-tier enterprise clients.
• Partner with teams to identify pain points and architect solutions.
• Conduct applied research for innovative AI solutions.

Skills

PhD in a STEM field

Experience with LLM-based systems

Understanding of RAGs and MCPs

Problem-solving skills

Excellent communication

Education

PhD in Computer Science, Machine Learning, or related discipline

Job description

AI Engineer (PhD) – Series A DeepTech AI Company

About the Company

Our client is a cutting‑edge deep‑tech start‑up that’s redefining how enterprises leverage artificial intelligence to automate complex analytical workflows. Having completed a successful Series A funding round, they are rapidly scaling their technology and delivery teams to meet strong enterprise demand. Their mission is to replace traditional, fragmented analytics processes with intelligent AI‑powered digital workers—autonomous systems that can perform advanced analytics, data science, and decision‑making tasks continuously, accurately, and at scale.

The Role

You’ll collaborate with senior stakeholders, data scientists, and product teams at some of the world’s most recognized enterprises—translating complex business problems into elegant, scalable AI solutions.

What You’ll Do

• Lead the design and delivery of agentic AI systems and LLM‑based workflows for top‑tier enterprise clients.
• Partner directly with technical and business teams to identify pain points and architect high‑impact AI‑driven solutions.
• Build and deploy production‐grade systems leveraging LLMs, RAG pipelines, multi‑component AI programs (MCPs), and agent frameworks.
• Conduct applied research to solve novel, previously unseen problems—bringing cutting‑edge innovation from concept to production.
• Contribute to internal research initiatives and thought leadership, shaping the evolution of AI automation in enterprise contexts.

What You’ll Bring

• PhD in a STEM field (Computer Science, Machine Learning, Mathematics, Physics, or related discipline). Your research background enables you to tackle complex, ambiguous problems with scientific rigor and creativity.
• Proven hands‑on experience building and deploying LLM‑based or agentic systems in production environments.
• Strong understanding of RAGs, MCPs, and scalable AI architectures.
• A forward‑deployed engineering mindset—comfortable engaging directly with clients to understand business needs and deliver measurable results.
• Excellent communication and problem‑solving skills, with the ability to translate between technical and commercial perspectives.

Why Join

• Be part of a fast‑growing Series A company that’s transforming how enterprises use AI.
• Work on real‑world, high‑impact AI projects with globally recognized clients.
• Collaborate with some of the brightest minds in AI and applied research.
• Join a culture that prizes curiosity, ownership, and performance—where winning as a team is the ultimate goal.