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American Express IOS Senior Engineer 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.

The award winning Mobile team (#1 in JD Power 2021 Mobile App survey) is responsible for the delivery of new features and capabilities in the Amex Mobile App, used by tens of millions of Amex cardholders across 22 markets globally. The team builds interactive experiences at all touch points of a consumer's journey whether before, at, or after the time of purchase. Our mission statement is to be essential in our card members’ digital lives by providing convenience, value and delight wherever they are.

You’ll be working in a fast-paced environment with the stability of working for a Fortune 100 company. Your primary responsibilities will be to work on a small team of engineers developing mobile products. You should be familiar with modern software development methodologies and be able to dive deep and rapidly iterate on ideas despite ambiguity.


  • Contribute to the design, architecture, and development of apps that are elegant, efficient, secure, highly available, and maintainable

  • Works closely with other developers and end users to ensure technical compatibility and user satisfaction

  • Contribute insights into ways to improve our processes and tools

  • Be highly motivated and maintain a positive, “can-do” attitude in a fast-moving environment

  • Follow and help cultivate consistent development best practices

  • Collaborates with project manager and other software developers to plan, design, develop, test, and maintain the application

  • Provides thought-leadership regarding implementation best practices

  • Assists in estimation and assessment of feasibility of features

  • Foster a collaborative spirit across multiple teams


Minimum Qualifications

  • Bachelor’s degree in Computer Science/Engineering/Mathematics or 2 years of equivalent experience in related disciplines

  • Knowledge of developing trends and emerging standards in mobile apps, mobile payments, and wearables

  • Minimum of 2.5 year of experience in Mobile Development with IOS and 5 years of experience in Software Development

  • Excellent interpersonal and communication skills

  • Good understanding of RESTful APIs and how to connect applications to back-end services using asynchronous network calls

  • Experience with Swift and/or Functional Programming

Desirable Qualifications

  • Experience with the following patterns/technologies:

  • µFeatures Architecture

  • MVVM Architecture

  • Autolayout

  • RAML API Documentation

  • Danger

  • Legacy Objective-C code

  • Experience with build tools like Tuist, xcodebuild, GitHub Actions, and Circle CI

  • Experience with Unit, UI and Integration testing using XCTest/XCUITest

  • Experience with payments technology

  • Knowledge of the open-source ecosystem and the libraries available for common tasks

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

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.

Job: Technology

Primary Location: United States

Other Locations: US-Arizona-Phoenix, US-New York-New York

Schedule Full-time

Req ID: 21023856