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American Express

Software Engineer I - Enterprise Architecture

Hybrid

London, United kingdom

Full Time

27-11-2025

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Skills

Leadership Python JavaScript Kubernetes Networking Training Architecture Enterprise Architecture Linux Organization Express gRPC

Job Specifications

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. As part of Team Amex, you’ll experience this 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.

Enterprise Architecture is an organization within the Chief Technology Office at American Express and it is a key enabler of the company’s technology strategy. The four pillars of Enterprise Architecture include: 

Architecture as Code: this pillar owns and operates foundational technologies that are leveraged by engineering teams across the enterprise. 

Architecture as Design: this pillar includes the solution and technical design for transformation programs and business critical projects which need architectural guidance and support. 

Governance: this pillar is responsible for defining technical standards, and developing innovative tools that automate controls to ensure compliance. 

Colleague Enablement: this pillar is focused on colleague development, recognition, training, and enterprise outreach.  

How will you make an impact in this role?

Develop new API frameworks in technologies such as REST and gRPC 

Build API solutions using rapidly evolving technologies such as Istio and Envoy 

Help pivot toward serverless, FaaS based architectures 

Build platforms to help teams across the company quickly deploy B2B and A2A services 

Evangelize the API engineering transformation at an accelerated pace 

Collaborate with technology peers and leaders to gain strategic alignment 

Foster innovation and experimentation 

Develop new API frameworks, which empower our developer base, and allow us to increase of development velocity 

 Minimum Qualifications: 

University or master's degree in computer science or equivalent 

Proven years of engineering experience, with emphasis on building high volume, highly scalable systems 

Experience with the following technologies: Linux, Python, JavaScript, REST, Open API, Kubernetes, Istio, Envoy, gRPC, and other Cloud Native technologies 

A firm understanding of networking principles: DNS, TCP, TLS, HTTP 

Experience developing architecture and E2E solutions that conform to requirements for privacy, security and compliance 

The ability to look at code and derive time and space complexity 

Deep experience with multiple open-source solutions 

The ability to learn new technologies quickly and teach them to others 
 

 

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

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.

About the Company

At American Express, we know that with the right backing, people and businesses have the power to progress in incredible ways. Whether we’re supporting our customers’ financial confidence to move ahead, taking commerce to new heights, or encouraging people to explore the world, our colleagues are constantly striving to uphold our powerful backing promise to our customers and each other every day. These beliefs have been our North Star for 170 years as our business transformed – from helping evacuate travelers during World... Know more