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136,000+ live jobsSenior Staff AI Engineering
Hybrid in London·Added 6 days ago (last checked 8 Oct)
66 open roles
Overview
Job details
Hybrid
Only from certain places, per the ad: “Employment eligibility to work with American Express in the UK is required”
Requirements
Be near London for hybrid days
No relocation package mentioned.
Have 12+ years of experience
Staff-level role.
Skills
Requirements
What we're looking for
Deep knowledge of machine learning and deep learning systems, including model architectures, training, evaluation, and optimization
Advanced knowledge of Generative AI and LLM ecosystems, including embeddings, fine-tuning, prompt design, retrieval-augmented generation, and inference at scale
Strong understanding of AI infrastructure, including GPU platforms, accelerated compute, workload scheduling, capacity optimization, model serving, and inference performance
Advanced understanding of agentic AI design, including planning, reasoning, tool use, memory, multi-agent coordination, and autonomy controls
Strong foundation in distributed systems, cloud-native architecture, Kubernetes, APIs, microservices, event-driven design, observability, and platform reliability
Knowledge of DevOps and CI/CD platforms such as Harness, including automated deployment, environment promotion, governance, and operational controls
Knowledge of enterprise AI governance, including model risk management, explainability, bias detection, safety, and regulatory compliance
Nice to have
MS/PhD in Artificial Intelligence, Machine Learning, Computer Science, or related discipline preferred
Education & certifications
12+ years of experience in AI/ML engineering, AI infrastructure, platform engineering, data engineering, or related fields, with a track record of delivering complex production systems at scale
Proven experience architecting end-to-end AI/ML platforms across data pipelines, training, deployment, serving, monitoring, and inference optimization
Experience designing and operating GPU-based AI infrastructure, including accelerated compute platforms, workload scheduling, utilization optimization, capacity management, and performance tuning
Experience with cloud-native and Kubernetes-based platforms supporting training, batch workloads, inference, orchestration, observability, reliability, and cost efficiency
Hands-on experience with Python and modern AI/ML frameworks such as PyTorch, TensorFlow, Scikit-learn, Hugging Face, and related tooling
Deep experience with agentic AI systems, including planning, tool use, memory, evaluation, retrieval, embeddings, vector databases, and agent frameworks
Experience leading complex cross-functional technical initiatives and influencing architecture and engineering direction across teams without direct authority
Demonstrated ability to mentor and develop engineers at all levels, including Staff-level engineers
Experience working in regulated environments such as financial services, including AI governance, risk management, and compliance considerations
The role
Serves as a senior technical authority for enterprise-scale AI systems with significant strategic and long-term business impact
Defines architecture and engineering patterns for agentic AI, retrieval/grounding, model integration, inference platforms, observability, evaluation, and safety
Leads resolution of complex and ambiguous technical challenges, balancing performance, cost, scalability, security, safety, and regulatory constraints
Shapes long-term AI engineering strategy across platforms, tools, and system design approaches
Guides multiple cross-team AI initiatives to ensure coherent architecture, integration, and alignment across domains
Leads technical and architectural reviews, setting standards for engineering excellence and consistent implementation
Partners with Product, Data Engineering, Cloud Infrastructure, Architecture, Risk, and Cybersecurity leaders to align AI solutions with enterprise priorities and governance requirements
Evaluates emerging AI technologies and translates them into scalable, enterprise-ready capabilities
Mentors Staff and Senior Engineers, raising organizational technical capability and developing future technical leaders
Non-considerations for sponsorship
Employment eligibility to work with American Express in the UK is required as the company will not pursue visa sponsorship for these positions.
About American Express
- Industry
- Financial Services
- Founded
- 1850
- Employees
- 50,000–100,000
- Headquarters
- New York, USA
- Website
- americanexpress.com
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