Java Ai Developer Jobs in Kissimmee, FL (NOW HIRING)

Job Summary:
Disney Experiences is seeking a Senior Full Stack Software Engineer to join their Payments and Accounting Technology team. The role involves hands-on contributions to the payment processing ecosystem, including developing and maintaining full-stack applications, collaborating with business partners, and applying AI-assisted development practices.
Responsibilities:
• Design, develop, and maintain full-stack payment processing applications spanning Java 21/Spring backend microservices, Angular 18 frontend applications, and Node.js 20 API layers
• Build and maintain containerized services using Docker, deploying to AWS with Tomcat-based runtime environments
• Support and operate production services processing real-time payment transactions across multiple Disney properties including authorization, settlement, fraud screening, gift card operations, and card issuance
• Develop and maintain Splunk-based monitoring, alerting, and operational analytics for payment and fraud detection systems
• Implement and support adherence to PCI-DSS compliance standards across application code, logging, data handling, and infrastructure
• Participate in production incident response for payment service failures including rapid triage, root cause analysis, remediation, and post-incident documentation
• Apply AI-assisted development practices including AI-powered code review, test generation, refactoring, and documentation; identify safe injection points for AI/ML in payment and fraud systems
• Mentor junior engineers through code reviews, technical discussions, and pair programming
• Collaborate with external vendor teams and internal stakeholders for complex integration work
• Contribute to technical estimates, risk assessments, and project sizing
• Investigate and resolve complex concurrency and performance issues in high-throughput payment services
• Act as a technical resource across backend services and frontend applications
Qualifications:
Required:
• Must have 5+ years of design, architecture, and development experience in highly scalable, high-volume software components and/or client-facing web applications
• Deep understanding of design patterns and modern, highly scalable full-stack application development
• Advanced experience with Java 17+ (Java 21 preferred) including Spring Framework
• Advanced experience with Angular 16+ (Angular 18 preferred) and Node.js 18+ (Node.js 20 preferred)
• Advanced experience with AWS services: Lambda, DynamoDB, Aurora DB, S3, ECS, CloudWatch
• Advanced experience with Docker containerization and CI/CD pipelines (Jenkins, GitHub Actions, Harness)
• Advanced experience with microservices architecture, RESTful APIs, and cloud-native design patterns
• Must have proficiency with AI-assisted development tools (e.g., GitHub Copilot, Cursor, Amazon Q) and experience using them in development workflows
• Experience with or strong interest in applying AI/ML to fraud detection, anomaly detection, or payment optimization use cases
• Strong understanding of payment processing concepts: authorization, settlement, tokenization, PCI-DSS compliance, card network mandates
• Experience with Splunk or similar log analytics platforms for operational monitoring and incident investigation
• Advanced experience in Object-Oriented design principles, patterns, and coding best practices
• Advanced experience building use case driven software with Agile Software Development and Test Driven Development methodologies
• Experience with database technologies: Aurora (MySQL), MariaDB, DynamoDB, Redis
• Ability to thrive in a dynamic, fast-paced environment with on-call production support responsibilities
• Ability to be highly flexible to quickly changing business needs and new technologies
• Ability to performance tuning, and concurrency hardening across production services
• Ability to contribute to test automation including JUnit concurrency testing, integration testing, and regression suites
• Ability to create and maintain technical documentation, runbooks, and operational procedures
• Ability to contribute to improvement of software development processes, including code quality gates (SonarQube), security scanning, and deployment practices
• Ability to proactively reassess business needs and make suggestions to meet those needs
• Ability to apply vision, creativity, and proactive solutions to complex issues across the full stack
• Ability to perform programming, testing, and debugging of major projects spanning backend and frontend systems
• Ability to mentor and review the work of less experienced members of the team
• Bachelor's Degree in Computer Science or Engineering Field (or equivalent education and experience)
Preferred:
• Experience in payment processing, fintech, or financial services technology strongly preferred
• Must have demonstrated experience leveraging AI tools in software development workflows preferred
Company:
Disney Experiences brings the magic of Disney stories and franchises to life through theme parks, resorts, cruise ships, unique vacation experiences, products and more around the world. Founded in , the company is headquartered in , , with a team of 10001+ employees. The company is currently Late Stage.