Lead AI Engineer

Capco; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Benefits offered by this job

Discretionary bonus

Health insurance

Pension

Life insurance

Critical illness cover

Job summary

Capco is seeking a Lead AI Engineer (Principal Consultant) in London to join our Technology Delivery Team. You will architect and deliver cutting‑edge generative AI and agentic systems for financial services, guiding cross‑functional teams through strategic AI decisions.

You will hands‑on‑develop scalable AI solutions, deploy LLMs and multi‑modal models, and shape production‑grade ML pipelines with a focus on performance, latency, and enterprise integration.

Qualifications

• Bachelor’s degree or higher in Computer Science, AI, or related STEM fields.
• Hands‑on experience deploying LLMs and multi‑modal models at scale.
• Strong engineering background in Python with proven backend and API development skills.
• Solid understanding of scalable MLOps, observability, and cloud‑native AI deployment.
• Excellent communication, problem‑solving, and project management skills in agile environments.

Responsibilities

• Architect and develop autonomous AI systems integrating multi-modal LLMs (text, image, audio, video).
• Design agentic workflows enabling AI agents to interact with data sources and APIs using prompt engineering and RAG.
• Fine‑tune, optimize, and deploy large language and multi‑modal models with a focus on performance and latency.
• Build scalable MLOps pipelines and full‑stack applications to support robust, production‑grade AI deployments.
• Guide multidisciplinary teams and clients through strategic decisions in AI engineering and GenAI adoption.

Skills

LLMs deployment

Multi-modal models

Python backend

MLOps

Observability

Agile project management

Education

Bachelor's degree in CS/AI or related STEM

Tools

LangChain

LlamaIndex

Langfuse

Langsmith

Job description

Lead AI Engineer (Principal Consultant)

Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent

Empower the next frontier of AI with Capco. Shape, build, and deliver future‑ready generative systems.

The Role

We’re looking for a Lead AI Engineer (Principal Consultant) to join our Technology Delivery Team. You’ll combine your expertise in AI/ML engineering and software development to build and deploy cutting‑edge generative AI and agentic systems across the financial services sector. As a hands‑on leader, you’ll architect AI solutions, embed them within enterprise environments, and drive impactful outcomes through advanced engineering, scalable pipelines, and deep cross‑functional collaboration.

What You’ll Do

• Architect and develop autonomous AI systems integrating multi-modal LLMs (text, image, audio, video)
• Design agentic workflows enabling AI agents to interact with data sources and APIs using prompt engineering and RAG
• Fine‑tune, optimize, and deploy large language and multi-modal models with a focus on performance and latency
• Build scalable MLOps pipelines and full‑stack applications to support robust, production‑grade AI deployments
• Guide multidisciplinary teams and clients through strategic decisions in AI engineering and GenAI adoption
  

What We’re Looking For

• Bachelor’s degree or higher in Computer Science, AI, or related STEM fields
• Hands‑on experience deploying LLMs and multi‑modal models at scale
• Strong engineering background in Python with proven backend and API development skills
• Solid understanding of scalable MLOps, observability, and cloud‑native AI deployment
• Excellent communication, problem‑solving, and project management skills in agile environments
  

Bonus Points For

• Experience with agentic frameworks (e.g., LangChain, LlamaIndex)
• Experience in deep learning frameworks and front‑end development
• Familiarity with Langfuse, Langsmith, or other LLM observability tools
• Understanding of Model Context Protocol and bias/hallucination mitigation techniques
• Previous success in integrating GenAI solutions into enterprise‑scale systems
  

Why Join Capco

• Deliver high‑impact technology solutions for Tier 1 financial institutions
• Work in a collaborative, flat, and entrepreneurial consulting culture
• Access continuous learning, training, and industry certifications
• Be part of a team shaping the future of digital financial services
• Help shape the future of digital transformation across FS & Energy.
  

Benefits

We offer a competitive, people‑first benefits package designed to support every aspect of your life:

• Core Benefits: Discretionary bonus, competitive pension, health insurance, life insurance and critical illness cover.
• Mental Health: Easy access to CareFirst, Unmind, Aviva consultations, and in‑house first aiders.
• Family‑Friendly: Maternity, adoption, shared parental leave, plus paid leave for sickness, pregnancy loss, fertility treatment, menopause, and bereavement.
• Family Care: 8 complimentary backup care sessions for emergency childcare or elder care.
• Holiday Flexibility: 5 weeks of annual leave with the option to buy or sell holiday days based on your needs.
• Continuous Learning: Your growth, your way - minimum 40 Hours of Training Annually. Take your pick; workshops, certifications, e‑learning. Also, Business Coach assigned from Day One: Get one‑on‑one guidance to fast‑track your goals and accelerate your development.
• Healthcare Access: Convenient online GP services.
• Extra Perks: Gympass (Wellhub), travel insurance, Tastecard, season ticket loans, Cycle to Work, and dental insurance.
  

Inclusion at Capco

We’re committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know - we’ll be happy to help. We value each person’s unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration – a mindset that shapes how we work with clients and each other every day.