Senior Full Stack Developer

Job Summary The Sr. Full Stack Developer will design, develop, test, implement, and support Java-based applications and enterprise integrations supporting airline operational systems and the SITA AIRCOM platform. The role requires strong experience with Java, Spring Boot, microservices, enterprise messaging, JBoss EAP, AWS, application performance tuning, and production troubleshooting. The developer will collaborate with business and technical stakeholders to deliver scalable, reliable, and high-performing technology solutions throughout the software development lifecycle. Key Responsibilities

• Design, develop, enhance, and maintain Java-based applications and integrations supporting the SITA AIRCOM platform and airline operational systems.
• Develop and support REST/SOAP services, messaging workflows, and enterprise integrations involving ACARS, IBM MQ, XML, and JSON.
• Analyze, troubleshoot, and resolve complex application, integration, and production issues.
• Perform root cause analysis and implement long-term solutions for recurring issues.
• Build, deploy, and maintain applications on JBoss EAP, ensuring scalability, performance, and reliability across production and non-production environments.
• Collaborate with airline operations, product owners, architects, and cross-functional teams to gather requirements and deliver technical solutions.
• Perform code reviews, unit testing, performance tuning, and application optimization.
• Support production releases, monitor application health, and participate in incident management and on-call activities for critical business systems.
• Construct, test, and implement business and technical IT solutions using appropriate software development lifecycle methodologies.
• Participate in standard IT solution implementations, upgrades, enhancements, and conversions.
• Use appropriate tools to analyze, identify, and resolve business and technical problems.
• Apply specialized knowledge across application integration, cross-disciplinary functions, industry expertise, and legacy system evolution.
• Interact with customers and stakeholders to understand the business environment and technical context.
• Validate project scope, plans, and deliverables for assigned projects.
• Lead the design, development, implementation, and support of IT solutions spanning multiple specializations, platforms, and technologies.
• Define project scope, plans, deliverables, and proposed implementation dates.
• Research, analyze, recommend, and implement new technologies, standard processes, tools, and techniques.

Required Qualifications

• 8+ years of hands-on experience in Java/J2EE application development with strong expertise in enterprise integration and distributed systems.
• 7+ years of experience with Java and Spring Boot.
• Strong proficiency in Java 11/17, Spring Boot, microservices, and application performance tuning.
• 3+ years of experience with AWS cloud technologies.
• 3+ years of experience with enterprise integration and messaging.
• 3+ years of experience with JBoss EAP and middleware administration.
• Extensive experience with IBM MQ, REST/SOAP web services, XML, JSON, and enterprise messaging architectures.
• Strong experience with Linux/Unix environments, shell scripting, SQL Server, Git, and CI/CD pipelines.
• Experience troubleshooting thread dumps, heap dumps, memory leaks, JVM performance issues, and production incidents using tools such as Dynatrace and Grafana.
• Experience with Red Hat Linux, AWS cloud services, container technologies, and Agile development methodologies.
• Strong understanding of software development lifecycle methodologies and application development practices.

Preferred Qualifications

• Experience with airline operations, ACARS messaging, OOOI messages, flight planning, and SITA AIRCOM products.
• Experience with airline operational systems and related enterprise integrations.
• Experience supporting distributed and mission-critical applications. Compunnel