AI Engineer ML LLM

Client Server Limited; Greater London; Hybrid; GBP 70,000 - 80,000; Full time

Benefits offered by this job

Bonus

Pension

Income Protection

Life Assurance

Critical Illness

Employee Assistance

Company Share Scheme

Paternity Leave

Wellness Benefits

PT Sessions

Onsite Gym

Massages

Health Insurance

25 Days Holiday

Kids Pass

Smart Tech Scheme

Volunteering Days

Job summary

Client Server Limited in London is seeking a senior AI Engineer to take end-to-end ownership of production AI systems powering a diverse portfolio of digital products. You will translate research into production-ready pipelines and collaborate across software, ML, and product teams.

You'll design, develop and deploy behavioural AI models, implement causal inference, and integrate AI capabilities via APIs and microservices. Hybrid work model with three days in the office and two remotely.

Qualifications

• Hands-on experience building and deploying AI/ML models in production.
• Focus on applied AI and delivering working systems.
• Experience with behavioural, sequential or decision models.
• Understanding of causal inference and impact evaluation.
• Experience building end-to-end ML pipelines.
• Strong engineering skills integrating AI services into production platforms.
• Good understanding of agentic systems, Digital Twins, or intelligent automation.

Responsibilities

• Build and productionise intelligent AI systems powering digital products.
• Own full development lifecycle from data ingestion to monitoring.
• Integrate AI features into platforms via APIs and microservices.
• Collaborate with software and ML engineers and product teams.

Skills

Applied AI

End-to-end ML

Production Deployment

APIs & Microservices

Digital Twins

Causal Inference

Job description

London, Greater London | £70k - £80k per year

Are you a hands-on AI Engineer with end-to-end ownership experience?

You could be progressing your career in a senior, hands-on AI Engineer role a global reinsurance group, building the technology platform behind a diverse portfolio of insurance products used across its international businesses.

As an AI Engineer you'll build and productionise intelligent systems that power next generation digital products, Digital Twins and agentic decision engines. Taking ownership across the full development lifecycle you'll design, develop and deploy behavioural AI models, translating techniques such as sequence prediction, intent modelling and imitation learning into production ready systems.

You'll build end-to-end AI pipelines spanning data ingestion, feature engineering, model training, inference and monitoring, while applying causal inference to understand the real world impact of AI driven decisions.

Collaborating with software engineers, ML engineers and product teams, you'll integrate AI capabilities into digital platforms through APIs, microservices and event driven architectures. You'll also contribute to Digital Twin and agentic systems, implementing behavioural dynamics, state modelling and decision processes.

Location / WFH:

You'll join colleagues in plush City offices with onsite gym and barista, three days a week, with flexibility to work from home the other two days.

About you:

• You have strong experience as an Applied AI Engineer, building and deploying AI / ML models into production environments
• You're focused on applied AI and delivering working systems, rather than purely theoretical research or simply integrating third-party LLM APIs
• You have experience with behavioural, sequential or decision making models, such as sequence prediction, intent modelling or imitation learning
• You have a good understanding of causal inference and techniques for evaluating the impact of AI driven decisions
• You have experience building end-to-end ML pipelines, including data processing, feature engineering, training, inference and monitoring
• You have strong engineering skills, with experience integrating AI services into production platforms using APIs, microservices or event driven architectures
• You have a good understanding of agentic systems, Digital Twins, simulation or intelligent automation
• You're collaborative with great communication and problem solving skills

What's in it for you:

As an AI Engineer you will receive a competitive package:

• Salary to £80k
• Bonus
• Pension, Income Protection, Life Assurance, Critical Illness Cover, Employee Assistance Programme
• Company Share Scheme
• Enhanced paternity leave and benefits
• Wellness benefits such as free PT sessions at the onsite gym, massages
• Medical and Dental Health insurance
• 25 days holiday
• Perks such as "Kids Pass" for discounted days out, smart tech scheme
• Volunteering and charity days