Alternance : Senior Java Backend Developer F/H/X
Core
Senior Java Backend Developer building scalable APIs and microservices for customer data, bookings, loyalty, and messaging in the hospitality industry.
Role type
Senior IC Java Backend Developer
Builds
Scalable backend services, APIs, and event-driven architectures for customer journeys and B2B data aggregation.
Domain
Hospitality / Travel Technology
Deliverable
production ML models | product features
Required skills
Java, Spring Boot, Kafka, event-driven architecture, cloud/distributed systems, API design, DevOps/production management
Preferred skills
AWS, Node.js/TypeScript, microservices
Responsibilities
Build APIs for booking and order journeys, develop scalable backend services, ensure quality via testing and performance, structure customer loyalty data, design robust B2B APIs, migrate to new booking systems, adapt services to event-driven architecture, evolve authentication mechanisms, optimize performance and resilience, develop multi-channel messaging services, integrate with external providers, collaborate on technical choices.
Seniority
Senior, hands-on IC