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American Express Java Engineer - Enterprise Real-Time Processing in Helena, Montana


“You Lead the Way. We’ve Got Your Back.”

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 redefining what’s possible — and we’re proud to back each other every step of the way. When you join #TeamAmex, you become part of a diverse community of over 60,000 colleagues, all with a common goal to deliver an exceptional customer experience every day. We back our colleagues with the support they need to thrive, professionally and personally. That’s why we have Amex Flex, our enterprise working model that provides greater flexibility to colleagues while ensuring we preserve the important aspects of our unique in-person culture. Depending on role and business needs, colleagues will either work onsite, in a hybrid model (combination of in-office and virtual days) or fully virtually.

In building leading edge real-time processing platforms, you will be transforming our iconic, global brand. As a part of our technology team, you will collaborate to bring ground-breaking and diverse ideas to life that power the digital systems, services, products, and platforms upon which millions of customers around the world depend. If you love to build real-time solutions that empower customers and use the latest technologies, we’ll support you with an open environment and learning culture to grow your career.


Design, develop, solve problems, debug, evaluate, modify, deploy, and document web API and real-time / stream processing software and systems that meet the needs of customer-facing applications, business applications, and/or internal end user applications.

Organizational Context:

A member of a product engineering team reporting to an Engineering Director.

How will you make an impact in this role?

Software Development

  • Create a real-time streaming and complex event processing platform

  • Build highly performant APIs

  • Function as member of an agile team by contributing to software builds through consistent design and development practices (tools, common components, and documentation)

  • Participate in code reviews and automated testing

  • Debug basic software components and identify code defects for remediation

  • Enable the deployment, support, and monitoring of software across development, test, integration, and production environments

  • Automate deployments

  • Automatically scale applications based upon demand


  • Demonstrate increased self-reliance to achieve team goals

  • Influence team members with creative changes and improvements by challenging the status quo and demonstrating calculated risk taking

  • Own and drive solutions even in the presence of ambiguity

In order to work in or visit any of our offices in the United States, we require colleagues to be fully vaccinated against COVID-19.


At least 4 years of software development experience in a professional environment and/or comparable experience such as:

  • Proficiency in Java and / or Scala including the latest and advanced features

  • Experience designing the local component architecture of a macro architecture

  • Experience using streaming technologies such as Cloud Dataflow or Flink, preferred

  • Experience building highly performant and efficient web APIs preferably using non-blocking frameworks such as Spring WebFlux

  • Ability to setup Continuous Integration (CI) / Continuous Delivery (CD) pipelines using Git and Jenkins

  • Ability to containerize applications using Docker

  • Experience deploying processing as cloud native solutions

  • Expertise in implementing highly available, fault-tolerant, scalable solutions

  • Ability to participate in the prevention, diagnosis, and resolution of system outages as an authority in the underlying solution

  • Experience with data structure libraries

  • Familiar with Agile or other rapid application development methods

  • Strong focus on writing automated tests for your own code

  • Ability to perform benchmarking and optimization

  • Bachelor’s Degree in computer science, computer science engineering, or related experience required; advanced degree preferred

High Performance Behaviors:

  • Recognizes opportunities to adopt innovative technologies to enable business capabilities

  • Keeps up to date on current research and technology in the industry

  • Recognizes the importance of collaboration to achieve objectives

  • Clearly communicates ideas and concepts to others

  • Finds opportunities within projects and acts on own initiative without being prompted, including making appropriate decisions

  • Provides feedback to team members in design and code reviews

  • Drives creative changes & continuous improvements

  • Mentors and guides junior team members to success within the team

  • Excellent written and verbal communication skills in the English language

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

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

American Express is an equal opportunity employer and makes employment decisions without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, age, or any other status protected by law.

US Job Seekers/Employees - Click here to view the “ EEO is the Law ” poster and supplement and the Pay Transparency Policy Statement . If the links do not work, please copy and paste the following URLs in a new browser window: to access the three posters.

Job: Technology

Primary Location: United States

Schedule Full-time

Req ID: 22000643