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Software Engineer - Java - Merchant Services Technologies

American Express

$70,000 - $135,000
Sep 10, 2025
Phoenix, AZ, USA
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American Express is looking to build core features and functions of card transaction systems on a distributed platform deployed in the cloud.

Requirements

  • Minimum 2 years software development experience in a professional work environment working with Java technologies (Vertx, Spring, Spring Boot, RESTful micro services, Ignite, In-Memory Computing, Spark, PostgreSQL, Cassandra, Kafka, Yellowbrick, RESTful API’s, Apache Ignite is a plus)
  • Hands-on work experience with application design, software development and automated testing
  • Experience with distributed (multi-tiered) systems, algorithms, relational or NoSQL databases.
  • Ability to debug basic software components and identify code defects for remediation.
  • Experience working in Agile or other rapid application development methods.

Responsibilities

  • building core features and functions of card transaction systems on distributed platform deployed in the cloud
  • Actively participating in agile teams and the latest development practices
  • writing code and unit tests
  • working with API specs and automation
  • GMST Engineers use Java Technologies to drive innovation
  • finding opportunities for adopting new technologies
  • Hands-on work experience with application design, software development and automated testing

Other

  • Computer Science, or equivalent degree, or industry experience.
  • Ability to effectively interpret technical and business objectives and challenges and eloquent solutions.
  • Ability to learn and investigate new technology and business domains, question status quo and think outside of the box.
  • Proficient oral and written communication skills.
  • Flexible working model with hybrid, onsite or virtual arrangements depending on role and business need