Role PurposeAs a Java Software Engineer, you'll play a pivotal role in designing and developing the technology that powers CarTrawler's global car hire platform. You'll contribute to business-critical systems — enhancing existing services and developing new capabilities that deliver measurable outcomes for our partners and customers.This is a hands-on backend engineering role where you'll combine deep technical skill with collaborative delivery. You'll design and implement scalable, secure APIs and distributed services that underpin CarTrawler's booking and partner-integration ecosystemYou will deliver high-quality, maintainable software, demonstrate ownership for the outcomes of your work, and help strengthen technical standards and collaboration across teams.Main accountabilities and key tasks:Engineering DeliveryDesign, build, and maintain robust, scalable Java-based applications and services.Write production-ready, testable, and maintainable code following CarTrawler's engineering standards.Develop and consume RESTful APIs that support customer-facing and partner-integrated systems.Apply a security-first mindset and contribute to continuous improvement of monitoring and observability.Debug and resolve complex issues within your team's domain using a systematic approach.Knowledge and Experience:5+ years' experience in commercial Java development (Java 8 or newer).Deep understanding of object-oriented design, design patterns, and software architecture principles.Strong experience with Spring and Spring Boot (2+ years).Proven ability to build and consume scalable RESTful APIs.Experience with CI/CD tooling (Git, Jenkins) and build automation (Maven).Strong SQL and NoSQL database skills, with an ability to reason about data modelling and performance.Exposure to AWS services (e.g., SQS, Kinesis, ElastiCache) and distributed system design.Experience integrating third-party APIs and external services.Comfortable working in agile, multi-team environments.Collaborative communicator with a focus on outcomes and technical quality.