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# Java Developer

- **Company:** Momento USA LLC
- **Location:** Phoenix, AZ, United States
- **Experience:** Expert
- **Contract:** Temporary to permanent
- **Skills:** Java (Programming Language), Agile Methodology, Artificial Intelligence, Amazon Web Services, Confluence, JIRA, Code Review, Computer Programming, Computer Engineering, Java Platform Enterprise Edition (J2EE), IntelliJ IDEA, PostgreSQL, MongoDB, NoSQL, Pair Programming, Rxjava, Service-Oriented Architecture, Software Engineering, Transport Layer Security, Google Cloud, Spring-boot, Vert.x, Git, Kotlin, Information Technology, Apache Kafka, Asynchronous Programming, Restful APIs, Stream Processing, Jenkins, Microservices
- **Published:** August 1, 2026
- **Apply:** https://www.careerjet.com/jobad/us10cb334fa3175835291852b9353583e8

## About the Role

We're looking for an experienced Java Backend Engineer to join a top talent team working on a fast-evolving set of experimental and new applications, services and platforms that is serving tens of millions of customers around the world. Someone who is passionate about shaping the future of commerce and personal finance; Someone who is obsessive about good design and great code; Someone who can find elegant solutions to hard technical and functional challenges and can work well within and across teams., Familiarity with AI models and experience using Gen AI tools such as Copilot, Claude Code and Codex
Proven expertise in REST API design and implementation.
Proven expertise in with SOA, Micro-Services, Containers.
Experience with Stream processing/Queue - Solace, Kafka.
Experience with Databases MongoDB (Or a different Document DB/ NoSQL), PostgreSQL.
Familiar with tools - Git, Jenkins, IntelliJ IDEA, Jira, Confluence.
Familiarity with security principles, SSL, Cryptography.
9+ years of experience with Java backend (J2EE). Nice to have Kotlin experience
5+ Years Reactive Programing (asynchronous programming paradigm) ideally with Spring boot WebFlux, Vert.x and RxJava
Experienced building on at-least one of cloud platforms - Amazon AWS, Microsoft Azureand Google Cloud Platform
A BS or MS degree in Computer Science, Computer Engineering or similar discipline, or equivalent work experience
Experience building and supporting distributed highly available systems.
Good communication skills.
High energy and 'can-do' attitude.
Interest in new technologies and tools, industry best practices.
Passion for shipping quality software fast and frequently.
Attention to detail.

## Description

Serve as a senior member of an agile development team that drives user story analysis and elaboration.
Design and develop software solutions, think abstractly and deal with ambiguous/under-defined problems.
Foster the spirit of collaboration across multiple internal teams.
Participate in solution architecture, code reviews, ad-hoc pair programming; contribute to iterative improvement of tools, automation and practices used by team.
Mentor and lead team members.


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