Backend Java Developer

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.

Responsibilities

• 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

Qualifications

• 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