One of the UKs most iconic omni-channel retailers is looking for a Senior Java Developer to join their expanding digital engineering function. This position requires deep expertise in Kotlin or modern Java, strong architectural understanding of microservices, and a passion for technical leadership and mentoring. Experience working within ecommerce, mobile, or customer-facing digital platforms is highly desirable. This role is a remote position. Youll have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical direction Build, integrate, and maintain REST APIs and backend services Champion best practices in software quality, CI/CD, observability, and DevOps Collaborate with cross-functional teams including Product, QA, and DevOps Optionally take on people management responsibilities for engineers Stay updated with emerging backend and cloud technologies Key Skills & Experience 5 years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/CD pipelines and automation tooling Knowledge of Docker, Kubernetes, Jenkins, or GitLab CI Experience with cloud platforms such as AWS, GCP, or Azure Apply now to join a high-impact team delivering cutting-edge ecommerce and cloud solutions at national scale. Please note: You must be UK-based and have the right to work in the UK to be considered for this role. ADZN1_UKTJ