Software Engineer II - Backend

As a Software Engineer in Booking.com’s IT Services Development, you design, implement, and maintain internal tools and integrations that boost staff productivity. You’ll work within cross-functional teams to translate business needs into reliable, scalable solutions. The role focuses on provisioning, data synchronization, and employee-facing services that support IT operations and the employee experience. You will drive end-to-end ownership, monitor health and performance, and influence architecture decisions in a fast-paced, collaborative environment.

• annual paid time off
• parental leave (22 weeks)
• hybrid working with flexible arrangements
• HQ campus in Amsterdam with on-site meals and facilities
• commuting allowance and bike reimbursement
• discounts & wallet credits for Booking.com products and Genius status updates or family vouchers

• Design and build software applications, automations, and integrations using relevant languages and technologies
• Create template solutions for complex integration scenarios and translate business needs into integration solutions
• Maintain and support existing integration interfaces
• Develop technical designs and implement solutions
• Own end-to-end service health, monitor metrics, and respond to issues within SLA
• Identify and resolve live production issues to minimize customer impact
• Evaluate architecture options considering cost and requirements
• Identify opportunities for process, system, and structural improvements
• Drive automation and enhancements in reliability tools
• Deliver clear, audience-tailored communications

• Min 5+ years in IT, with at least 3 years in software development
• Strong knowledge of Java/SpringBoot
• Understanding of MuleSoft, EDA, MOA, SOA, SOAP, REST APIs, RESTful, RPC/RFC
• Experience with Mule 4.x and CloudHub 1.0 (CloudHub 2.0 preferred)
• Exposure to enterprise architectures (monolithic, microservices, event-driven)
• API-led design using RAML/OAS; API lifecycle support; observability tools (Graphite, Grafana) a plus
• Experience with Kafka and various integration patterns
• Strong analytical and problem-solving skills; excellent communication with non-technical stakeholders

• Excellent communication (written and spoken)
• Strong analytical and problem-solving abilities
• Ability to work with non-technical stakeholders
• Java
• SpringBoot
• Mulesoft