Accor Tech & Digital is the innovation and technological transformation lab of the world leader in hospitality.
Our teams, known as Heartists®, bring together the best of hospitality with the best of tech and digital. Our ambition is to provide our customers with personalized, memorable, and sustainable experiences.
Here, we create new ways to travel within each of our 5,500 hotels, connecting closely with our 100 million clients in 110 countries.
Here, we are at the heart of an incredible playground for technological transition and the design of digital products and services for our customers and hotel teams.
Here, your scope will know no boundaries;
So join us and dare to make an impact on the world!
Here is where your greatest challenge awaits you:
Within the Engineering team, you will join the API Customer, Loyalty & Messaging team, responsible for a strategic middleware layer that orchestrates all flows related to customer data, bookings, loyalty, and communications.
This team plays a central role in the IT landscape, acting as an interface between core business systems and consumer-facing channels. It works on high-impact business topics, closely tied to the customer experience.
You will report to the Tech Lead and collaborate closely with other Backend Developers, Product Owners, and business teams.
Your Mission
As a Senior Java Backend Developer, you will be responsible for:
Building APIs at the core of booking and order journeys
Developing and evolving scalable back-end services and APIs supporting critical customer journeys
Ensuring quality through testing, performance optimization, and maintainability in production
Structuring and exposing enterprise customer loyalty data
Designing robust APIs for B2B data aggregation and access
Working on data modeling and integration with existing systems
Contributing to the migration to our new central reservation system
Adapting and interfacing services with a new event-driven architecture
Ensuring service continuity and reliability of data flows
Evolving authentication mechanisms and account management
Implementing and improving secure authentication processes
Optimizing code performance, resilience, and quality through continuous improvement
Developing multi-channel messaging services (app, SMS, email)
Designing integrations with multiple providers and managing asynchronous flows
Building reliable services for notification and authentication journeys
Operating in a modern, stimulating technical environment
Working on API and microservices architectures in an agile context
Collaborating with cross-functional teams and contributing to technical decisions