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Java / Lumi Developer - Ex Amex exp (MUST)

Devbytes incPhoenix, AZ🇺🇸United StatesPosted 15 Jul 2026

Why This Role Stands Out

Leverage your American Express Lumi platform expertise in this hybrid Java Developer role, offering a fantastic opportunity for growth within a leading technology team. Your proven skills in Java, cloud-native big data, and microservices will be instrumental in designing and enhancing scalable applications, making this an ideal position for experienced developers seeking impactful work. Apply today to join this dynamic environment and advance your career.

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Job Title: Java / Lumi Developer (American Express Experience Required)
Location: Hybrid Phoenix, Arizona
Job Description
We are seeking an experienced Java / Lumi Developer with prior American Express (Amex) experience to join a high-impact technology team.
The ideal candidate will have hands-on experience working with Amex s Lumi platform, cloud-native big data technologies, and Java-based application development.
The candidate will support the design, development, enhancement, and maintenance of scalable applications leveraging Lumi infrastructure and modern cloud technologies. This role requires strong Java development skills along with the ability to work within large-scale enterprise environments.
Required Skills & Qualifications
* Must have prior American Express (Amex) project experience
* Must have hands-on experience with Lumi platform / Amex Lumi infrastructure
* Strong experience in Java development (Java 8+)
* Experience designing and developing RESTful APIs and microservices
* Strong knowledge of Spring Boot, Spring Framework, and Java-based enterprise applications
* Experience working with cloud-native applications and big data platforms
* Experience with data processing, analytics, and distributed systems
* Strong understanding of software development lifecycle (SDLC)
* Experience working in Agile/Scrum environments
* Ability to collaborate with architects, developers, product owners, and business stakeholders
Preferred Skills
* Experience with Apache Spark, Hadoop, Kafka, or similar big data technologies
* Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform
* Experience with CI/CD tools (Jenkins, Git, GitHub/GitLab, Azure DevOps)
* Experience with SQL and NoSQL databases
* Strong debugging and troubleshooting skills
Responsibilities
* Develop and maintain Java-based applications and services supporting enterprise platforms
* Work with Lumi platform teams to build scalable data-driven solutions
* Design, code, test, and deploy high-quality software solutions
* Collaborate with cross-functional teams to understand requirements and deliver solutions
* Participate in code reviews, technical discussions, and Agile ceremonies
* Troubleshoot application issues and provide production support when required
* Follow enterprise coding standards and best practices
Required Experience
* 5+ years of Java development experience
* 2+ years of experience working in large enterprise environments
* Prior American Express experience is mandatory
* Hands-on Lumi experience is highly preferred/required

Skills

Express
Microservices
SQL
Spring
Spring Boot
AWS
Scrum
Agile
Apache
Apache Spark
Azure
Git
Google Cloud
Hadoop
Java
Jenkins
Kafka
Phoenix

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