> Markdown version of [/jobs/ext/4634336-backend-java-developer](https://www.wearedevelopers.com/jobs/ext/4634336-backend-java-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Backend Java Developer - **Company:** Intone Networks - **Location:** Phoenix, AZ, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Microsoft Azure, Software as a Service, Github, Google Wallet, Push Technology, Mobile Application Software, Power BI, Short Message Service, Software Engineering, System Availability, Spring-boot, Backend, Event Driven Architecture, Data Lakes, Apache Kafka, Databricks, Microservices - **Published:** November 8, 2026 - **Apply:** https://www.careerbuilder.com/job-details/backend-java-developer-phoenix-az--61d05f29-19ee-4c62-bccd-b162736aea6b ## About the Role Java, Software Engineering, Java, Short Messaging Service (SMS), Mobile Payments, Systems Administration/Management, Software Engineering, Production Systems, Identify Issues, Application Hosting, * Required * 6+ years of enterprise software development experience with hands-on Java and Spring Boot * Strong production support expertise and experience maintaining business-critical applications in hosted environments * Proficiency with Azure cloud platforms * Experience with Kafka and event-driven systems * Strong communication skills and ability to explain technical decisions and problem-solving approaches clearly * Willingness to participate in periodic on-call rotation * Ability to work onsite in Phoenix on Tuesdays, Wednesdays, and Thursdays * Preferred * Notification or messaging-platform experience, including SMS, email, push notifications, mobile-wallet updates, or real-time communications * Airline industry experience * Microservices architecture experience * Experience integrating backend services with mobile applications or supporting Apple Wallet, Google Wallet, or iOS Live Activities * Troubleshooting and supporting mobile endpoints * Databricks, data lake, or Power BI experience * GitHub Actions experience ## Description We are recruiting a senior-level backend Java engineer for a 2-year contract position supporting a major airline's customer notifications platform, based in Phoenix, Arizona. This role offers the opportunity to work on a highly complex, business-critical system that manages customer communications throughout the travel journey, serving millions of interactions across SMS, email, push notifications, mobile wallet updates, and real-time event-driven systems., * Develop, maintain, troubleshoot, and enhance large-scale, business-critical applications in hosted production environments * Support a mature, integration-heavy platform consisting of approximately 100 applications with integrations across 44 internal client systems * Resolve complex production issues and participate in on-call rotation to provide Level 1 production support * Collaborate with experienced team members on platform-specific development and enhancement work * Design and implement solutions within a highly regulated environment governed by DOT, Canadian, GDPR, and other compliance requirements * Communicate technical decisions clearly and collaborate across multiple teams to support platform reliability and stability