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American Express Senior Engineer – Java – 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.

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.


Architect, design, develop, solve problems, debug, evaluate, modify, deploy, and document a real-time / stream processing platform 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

  • Design and build 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)

  • Conduct code reviews and automated testing

  • Debug 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 self-reliance to achieve team goals

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

  • Own and drive designs and solutions even in the presence of ambiguity

  • Mentor other engineers

  • Present architecture, designs, and solutions to both technical and non-technical audiences

As part of our diverse tech team, you can architect, code and ship software that makes us an essential part of our customers’ digital lives. Here, you can work alongside talented engineers in an open, supportive, inclusive environment where your voice is valued, and you make your own decisions on what tech to use to solve challenging problems. Amex offers a range of opportunities to work with the latest technologies and encourages you to back the broader engineering community through open source. And because we understand the importance of keeping your skills fresh and relevant, we give you dedicated time to invest in your professional development. Find your place in technology on #TeamAmex.


At least 6 years of software development experience in a professional environment and/or comparable experience such as:

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

  • Experience designing both macro and micro platform / system architecture

  • Proficiency building solutions with streaming technologies such as Cloud Dataflow or Flink

  • 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 designing, building, and deploying processing as cloud native solutions

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

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

  • Proficiency with data structure libraries

  • Experience 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 team members to success within the team

  • Excellent written and verbal communication skills in the English language

Salary Range: $110,000.00 to $190,000.00 annually bonus benefits

The above represents the expected salary range for this job requisition. Ultimately, in determining your pay, we'll consider your location, experience, and other job-related factors.

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

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.

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Job: Technology

Primary Location: United States

Schedule Full-time

Req ID: 22000635