Senior Java Engineer (ESP/UK)

About the role We’re building a robust, internet-facing API that runs both in on-premises and in the cloud, designed to support future innovation at scale. This means solving complex distributed systems challenges, ensuring high availability, and optimizing performance.

Concepts like the CAP theorem aren’t just theory here—they’re part of our daily engineering conversations. Our stack includes Java, Vert. x, RxJava, Groovy, Couchbase, and Kafka, running on Azure with a fully automated CI/CD pipeline.

We follow Agile principles, adapting Kanban and other methodologies to fit the team’s needs. Collaboration is at the heart of our culture—pair programming is common, and all code is reviewed via GitHub. You will be responsible for: Design and implement end-to-end systems using your deep JVM and java ecosystem expertise.

Translate product requirements into well-structured, maintainable code. Write test-driven features and follow the TDD and BDD cycle. Apply SOLID principles and cohesive design to build scalable software. Collaborate with product stakeholders to shape and refine features.

Support production systems, resolve incidents, and conduct root cause analysis. Mentor and support fellow engineers, fostering a culture of continuous learning. Share knowledge across the wider engineering community. Prototype and evaluate new tools and technologies. You will need: Strong experience with Java 8+.

Hands-on experience with cloud platforms (Azure, AWS, etc.) Proficiency with both SQL and NoSQL databases. Proven ability to scale systems effectively. Familiarity with Agile methodologies (Scrum, Kanban, Waterfall). Exposure to reactive programming paradigms. Bonus: Experience with eCommerce or search systems.

Location: Spain and UK. Some of the benefits you’ll enjoy working with us: The chance to join an organization with triple-digit growth that is changing the paradigm on how software products are built. The opportunity to form part of an amazing, multicultural community of