Ai/ml engineer Work, Jobs in Mayfair, Gtl (with Salaries)

AI Engineer III - Agentic AI
American Express —London
- Full-time
- Master's degree
- Machine learning
- Software development
- Life insurance
Senior AI Engineer II - Agentic AI
American Express —London
- Full-time
- Master's degree
- Machine learning
- AI
- Life insurance
Anthropic Fellows Program, AI Safety & Security
Anthropic —London
- £2,310 - £4,300 a week
- Part-time
- Remote
- Research
- Master's degree
- Bachelor's degree
- Flexible schedule
Engineering Science Consultant - Life Sciences (Graduate)
Capgemini Sogeti —London
- Hybrid work
- Doctoral degree
- Engineering
- Master's degree
Anthropic Fellows Program
Anthropic —London
- £2,310 - £4,300 a week
- Part-time
- Remote
- Research
- Master's degree
- Bachelor's degree
- Flexible schedule
Anthropic Fellows Program, The Anthropic Institute (Economics & Policy)
Anthropic —London
- £2,310 - £4,300 a week
- Part-time
- Remote
- Research
- Bachelor's degree
- Communication skills
- Flexible schedule
Engineering Science Consultant - Life Sciences (Graduate)
Capgemini —London
- Hybrid work
- Doctoral degree
- Engineering
- Master's degree
Data Scientist – Agentic AI - Permanent UK
Satalia —London
- Remote
- Computer Science
- APIs
- AI
- Flexible schedule
AI Engineer (LLMs, Agents & Applied Data Science)
Talan —London
- Full-time
- Hybrid work
- Machine learning
- Travel
- Mentoring
- Employee assistance programme
Quick apply
AI/ML Engineer
Aivra Health —London
- £27,827.24 - £35,825.62 a year
- Azure
- Computer Science
- Master's degree
Quick apply
Research Engineer, Machine Learning (RL Velocity)
Anthropic —London
- £370,000 - £630,000 a year
- Hybrid work
- Bachelor's degree
- Machine learning
- Communication skills
- Flexible schedule
Software Engineering Intern
Pear VC —London
- Full-time
- AI
Graduate Machine Learning Researcher - Chicago
IMC Financial Markets —London
- £300,000 a year
- Full-time
- Doctoral degree
- Computer Science
- Research
- Annual leave
AI/ML & Prompt Engineer LLM, RAG & Voice Agent
QuantumLoopAI —London
- Full-time
- Remote
- Azure
- Master's degree
- Machine learning
Quick apply
AI and Machine Learning Engineer (2 Year Fixed Term Contract)
Mitsubishi Power EMEA —London
- Full-time
- Computer Science
- Engineering
- Master's degree
Quick apply
AI Engineer
Zero100 —London
- Full-time
- Hybrid work
- Computer Science
- Engineering
- Master's degree
- Life insurance
Quick apply
AI/ML Engineer
Future Works —London
- Remote
- Master's degree
- Agile
- AI
Graduate Applied Research Engineer
Xapien —London
- £30,000 - £40,000 a year
- Full-time
- Hybrid work
- Machine learning
- AI
- Communication skills
- Life insurance
Talent Partner, Engineering
Plain —London
- £75,000 - £95,000 a year
- Full-time
- Hybrid work
- Leadership
AI Engineer (UK)
Meltwater Group —London
- Computer Science
- Master's degree
- Bachelor's degree
- Annual leave
- Employee assistance programme
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AI Engineer III - Agentic AI

American Express -
London

Apply Now

Job details

Full-time

Benefits

Life insurance

Qualifications

Go
Law
Google Cloud Platform
Master's degree
Machine learning
Distributed systems
REST
Software development
Multidisciplinary collaboration
Kafka
AI
gRPC
TypeScript

Full job description

The Enterprise Technology Services organization partners with every part of the American Express business to power the company’s growth and innovation with trust and efficiency, and drive competitive differentiation with speed. We support the delivery and operations of technology, digital, and data capabilities, platforms, and services globally. Specifically, our team is responsible for the company’s technology engineering, architecture, and infrastructure, providing 24x7 support to ensure an uninterrupted, high-quality experience for customers and colleagues. We also provide product management for core enterprise platforms, and lead technology risk and information security, enterprise data governance and platforms, digital product and design, and enterprise AI platforms on behalf of the company.

At American Express, AI is reshaping the future of commerce and redefining the experiences our commercial customers and card members expect. Within Amex Technology, we are building platforms, products, and governance that enable agentic AI systems to operate responsibly and at scale across the enterprise.

Our focus is on agentic AI development: designing intelligent, adaptive systems that can plan, reason, and act across complex workflows with appropriate levels of autonomy. These systems power autonomous workflows, decision support, and customer-facing experiences—while meeting the high standards for security, explainability, reliability, and compliance required in financial services.

We partner closely with product, design, and business teams to deliver agentic capabilities that reduce operational friction, improve decision-making, and transform how customers interact, transact, and grow.

The Role

As an AI Engineer – Agentic AI, you will be a hands-on builder contributing to the development of production agentic AI systems that operate on real financial data and serve real customers.

You will work alongside experienced engineers, product managers, and designers to design, build, and ship AI-powered features, while learning how to operate within a regulated, customer-facing environment. This role offers strong mentorship and opportunities to grow your technical depth in LLMs, agentic systems, and production AI engineering.

This is not a research-only role. You will write production code, contribute to system design discussions, and help operate what you build after launch, with support and guidance from more senior engineers.

Technical Environment

We don’t hire to a narrow checklist, but candidates should be excited to grow in a modern, enterprise-scale engineering environment with a focus on agentic AI.

Core engineering stack

Languages: Python, Go, TypeScript
Cloud and infrastructure: AWS and/or GCP, Kubernetes
APIs and services: REST, gRPC

Agentic AI and ML

Commercial and open-source LLMs integrated into agentic workflows
Tooling for agent orchestration, retrieval-augmented generation, vector storage, and evaluation

AI-assisted development

Use of AI-assisted and agentic development tools for design, implementation, testing, debugging, and refactoring
Learning how to apply these tools responsibly while maintaining production-quality standards
All systems are built to meet high standards for reliability, security, and auditability, reflecting the responsibility of deploying autonomous AI in a financial services environment.

Minimum Qualifications

Demonstrated experience within professional software engineering .
Some hands-on experience building or contributing to AI-powered features, LLM-based applications, or applied ML systems (professional or project-based).
Solid engineering fundamentals in at least one backend language (Python, Go, or TypeScript).
Familiarity with APIs, basic cloud concepts, and modern development practices.
Interest in agentic AI systems, autonomy, and AI-assisted development workflows.
Willingness to learn, take feedback, and grow technical ownership over time.
Comfort working in collaborative, cross-functional teams.

Preferred Qualifications

Exposure to LLM tooling, prompt engineering, RAG, or agent frameworks through work, coursework, or personal projects.
Internship or early-career experience in fintech or other regulated environments.
Contributions to open-source projects, hackathons, or side projects related to AI or developer tooling.

Employment eligibility to work with American Express in the UK is required as the company will not pursue visa sponsorship for these positions.

At American Express, our culture is built on a 175-year history of innovation, shared values and Leadership Behaviors, and an unwavering commitment to back our customers, communities, and colleagues. From delivering differentiated products to providing world-class customer service, we operate with a strong risk mindset, ensuring we continue to uphold our brand promise of trust, security, and service.

As part of Team Amex, you’ll experience our powerful backing with comprehensive support for your holistic well-being and many opportunities to learn new skills, develop as a leader, and grow your career. Here, your voice and ideas matter, your work makes an impact, and together, you will help us define the future of American Express.

We back you with benefits that support your holistic well-being so you can be and deliver your best. This means caring for you and your loved ones' physical, financial, and mental health, as well as providing the flexibility you need to thrive personally and professionally:

Competitive base salaries
Bonus incentives
Support for financial-well-being and retirement
Comprehensive medical, dental, vision, life insurance, and disability benefits (depending on location)
Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need
Generous paid parental leave policies (depending on your location)
Free access to global on-site wellness centers staffed with nurses and doctors (depending on location)
Free and confidential counseling support through our Healthy Minds program
Career development and training opportunities

Offer of employment with American Express is conditioned upon the successful completion of a background verification check, subject to applicable laws and regulations.

Apply Now

Refine Your Search

ai/ml engineer jobs in mayfair, gtl

AI Engineer III - Agentic AI

Senior AI Engineer II - Agentic AI

Anthropic Fellows Program, AI Safety & Security

Engineering Science Consultant - Life Sciences (Graduate)

Anthropic Fellows Program

Anthropic Fellows Program, The Anthropic Institute (Economics & Policy)

Engineering Science Consultant - Life Sciences (Graduate)

Data Scientist – Agentic AI - Permanent UK

AI Engineer (LLMs, Agents & Applied Data Science)

AI/ML Engineer

Research Engineer, Machine Learning (RL Velocity)

Software Engineering Intern

Graduate Machine Learning Researcher - Chicago

AI/ML & Prompt Engineer LLM, RAG & Voice Agent

AI and Machine Learning Engineer (2 Year Fixed Term Contract)

AI Engineer

AI/ML Engineer

Graduate Applied Research Engineer

Talent Partner, Engineering

AI Engineer (UK)

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