Software Engineer II

LONDON, United KingdomFull-timePosted Jul 29, 2026

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.

The Financial Insights and Tools group within Digital Banking is responsible for software that enhance the American Express customer experience by providing applications and supporting platforms to enrich the information, analysis and planning available to our customers. Our software will be threaded through the web and mobile applications used by American Express customers, powered by APIs and underlying platforms to consume, and process financial data both within and from outside our company.

We are looking for a motivated, and collaborative Software Engineer to help us achieve our goals of building noteworthy high-quality financial analysis and tools for our customers. We want you to help provide technical expertise and acumen to our growing team in pursuit of our customer experience goals.

Our platform is built on top of a modern stack consisting of Kotlin/JVM for the back end interacting with other Java/JVM services internally, and a React based front end. We reach out to many APIs internally and externally to aggregate and analyze customer information. We are in a period of expansion and growth and thus we are looking for members to join the team to help us.

  • As a developer, you will be responsible for end-to-end delivery of your software from inception to production, working on a mixture of green-field and brown-field projects, learning from, and contributing to your peer group.
  • You will work on different parts of the tech stack as a full stack developer – from back end and databases all the way up to customer facing user interfaces.
  • Participate in code review and design of systems from members of all levels.
  • Collaborate within the group and across American Express to design and integrate functionality and features.
  • Partner with our Product Management team to refine functionality and features.
  • 3 to 5 years working as a software develop
  • Bachelor's or master's degree in computer science, computer engineering, software engineering, or other technical discipline, or equivalent work experience
  • Fundamental strength in computer science with a demonstrable understanding of computational complexity and data structures.
  • Understanding of service-based architectures
  • Understanding of web applications and use APIs to power them
  • Proven experience with live applications and production environments

Technical Skills: 

  • Creativity & Problem-Solving
  • Adaptability & Flexibility
  • Aptitude for technology; curiosity, passion and startup mindset
  • Practical application and understanding of computer science concepts
  • Applied statistics skills: distributions, statistical testing, regression analysis
  • Innovative thinking
  • Software testing acumen (unit test, integration tests)
  • Java/Kotlin/JVM
  • Databases: Postgres, MongoDB, Redis
  • Source Code Control: Working experience using GitHub, Bitbucket, RhodeCode
  • Production monitoring and logging tools (i.e. CloudWatch, Prometheus, OpenSearch/Elasticsearch, ELF)
  • Container orchestration: Docker, Kubernetes, GCP GKE, AWS ECS, AWS EKS
  • CI/CD platforms (we are using GitHub Actions)
  • Other: Git, Gitflow, Jira, Gitlab, Trello, Scrum
  • Frameworks: Ktor, Spring

 

  Other Skills (that will be a plus): 

  • Full stack experience and willingness to dive into other levels of web applications
  • Cloud management and deployment – A strong background in different cloud platforms like Amazon AWS, Microsoft Azure, OpenStack Apache, and Google Cloud Platform
  • Databases – A familiarity of working with different databases such as Postgres, MySQL, NoSQL (e.g., MongoDB), Redis is recommended
  • Web technologies – knowledge and experience working with web technologies such as JavaScript, HTML, CSS, TypeScript, C#, SASS, Stylus, Stylus, Python, and LESS
  • Web frameworks – knowledge and experience working with different frameworks like React Native, AngularJS, Angular2, VueJS, SocketIO, Backbone, KnockoutJS, Svelte, and Bootstrap
  • Software testing tools – A good working knowledge in testing code using Mocha, Jest, Unit-tests, TDD, Karma, VCS, and Selenium (base)

 

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.  

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