Senior Backend Engineer (Java) | Up to 75k | Hybrid (Madrid)

Location : Madrid (Hybrid) Seniority : Senior ️ Position : BACKEND ENGINEER ️ About the Company Join a world-leading travel company, who works with global financial institutions (e.g., AMEX), corporate managed travel programs, offline travel agencies (e.g., Flight Centre), and global travel suppliers (e.g., Delta). About the Role We’re looking for a Senior Backend Engineer with strong JVM (Java / Kotlin / Scala) skills to join our Madrid team. You will work on high-impact systems used by some of the biggest players in travel. This is an opportunity to lead small, well-defined projects, support complex initiatives, and proactively improve existing systems.

• The Main Missions Develop, test, and maintain backend systems in production environments using public or hybrid cloud infrastructure. Lead small-scale projects and contribute as a supporting team member to complex ones. Drive continuous improvement by identifying inefficiencies and proposing solutions. Integrate systems with APIs and multiple data stores while ensuring reliability and performance. Write clear, maintainable code following industry best practices and company standards. Required 6 years of software development experience , preferably in JVM languages (Java, Kotlin, Scala). Proven experience building and maintaining software products in public or hybrid cloud infrastructures. Strong understanding of data structures, system design, testing, and debugging. Familiarity with at least two data stores, API access patterns, and integration practices. Ability to translate business needs into technical solutions and understand how projects fit within the team’s objectives. Proficiency in testing and monitoring tools to ensure code quality and system reliability. What We Offer Be part of a top-tier B2B travel platform serving global partners such as AMEX, Delta, and Flight Centre. Hybrid work model in Madrid, up to 3 days remote with occasional travel to the UK. Dynamic, multicultural, and inclusive environment. Competitive compensation package up to 75k Healthcare and other benefits. If you’re ready to work on high-impact systems with world-class partners, we’d love to hear from you!