Lead Principal Engineer (Java and Loyalty Solutions)

About the role

In today’s hyper-competitive travel industry, Loyalty is no longer just a program, it is the engine that drives customer engagement, retention, and revenue growth. From shaping personalized experiences to unlocking new commercial opportunities, it blends innovation, engineering excellence, and customer-centric thinking to create real business value.

It is where strategy meets execution, where every line of code can directly influence customer satisfaction and airline success. As a developer in this space, you operate at the crossroads of technology, business, and customer experience, building scalable solutions that directly shape how airlines engage with their customers at global scale.

Join our innovative Loyalty team at and work with cutting-edge technologies such as Java, Spring Boot, and Kubernetes. This is an exciting opportunity to contribute to impactful solutions while collaborating with talented teams in a global environment, as part of a dedicated Competency Center team serving a specific airline customer, with strong ownership of long-term delivery and customer outcomes.

What You'll Do:

• Lead the design and development of Java-based applications and services through hands-on solution design, implementation and technical guidance
• Provide technical leadership throughout the software development lifecycle, ensuring high-quality solutions from design and development through testing, maintenance and operational support.
• Lead the investigation and resolution of complex technical challenges, driving root-cause analysis and sustainable solutions.
• Drive continuous improvement efforts through proactive system maintenance, technical debt reduction, and resolution of complex application issues.
• Collaborate with cross-functional teams to deliver high-quality software solutions.
• Continuously explore and adopt new technologies, tools, and best practices.
• Lead technical discussions and solution clarifications with customers and stakeholders.

About the Ideal Candidate

Technical Skills

• Experience developing enterprise software applications using Java and Java Enterprise technologies
• Experience with Spring Boot, Spring, or Hibernate is an advantage.
• Experience with Angular is considered an advantage.
• Experience leading technical delivery within Agile development environments (Scrum/Kanban)
• Experience designing and optimizing multithreaded or concurrent applications is a strong advantage.
• Deep understanding of software architecture, engineering principles, and software development best practices, with the ability to guide technical decisions and elevate engineering quality.

Skills & Competencies

• Exceptional analytical and problem-solving skills, with a curious mindset and a passion for continuous learning
• Ability to diagnose complex issues, troubleshoot effectively, and deliver practical solutions
• Passion for technology, innovation, and continuous learning, with a commitment to sharing knowledge and developing others.
• Strong understanding of the end-to-end software development lifecycle.
• Strong written and verbal communication skills in English.
• Strong collaboration skills, with the ability to work effectively across diverse, multicultural environments.
• Strong sense of ownership, adaptability and accountability
• Ability to represent technical perspectives in customer and stakeholder engagements.

What we can offer you

• A meaningful mission contributing to the future of travel.
• A truly global culture reflected in our people, operations, and ways of working.
• Continuous learning opportunities through on‑the‑job experience, formal programs, and daily collaboration.
• A supportive environment that encourages both professional development and personal well‑being.
• A comprehensive rewards package, including compensation, bonus opportunities, and health and caregiving benefits.
• A flexible working model that helps you do your best work.
• A diverse, and inclusive community committed to ensuring everyone can thrive.
• A trusted company that values dependable and long‑lasting relationships with customers, partners, and employees.

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Diversity & Inclusion

Amadeus aspires to be a leader in Diversity and Inclusion in the tech industry, enabling every employee to reach their full potential by fostering a culture of belonging and fair treatment, attracting the best talent from all backgrounds, and as a role model for an inclusive employee experience.  

Amadeus is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to gender, race, ethnicity, sexual orientation, age, beliefs, disability or any other characteristics protected by law.  

Be aware of recruitment scams

Amadeus Group never charges fees, requests payment, or asks for financial information during recruitment. All legitimate opportunities are communicated solely through official Amadeus channels, including our careers website. Any payment request or outreach via unofficial platforms (e.g., WhatsApp, Telegram) should be treated as fraudulent.