Senior Java Developer - o/s IR35 - Hybrid - 18 month cx

a major retailer is urgently seeking Senior Java Developer to woprk in a globally distributed engineering team building a next-generation, scalable fulfilment platform supporting both manual and automated/robotic warehouse operations.

The platform powers customer order fulfilment across multiple geographies and product categories, using real-time technology to optimise picking, marshalling, dispatch and warehouse workflows.

This is a greenfield development project, offering the opportunity to work on highly scalable, mission-critical systems and have a direct impact on operational efficiency and customer experience.

What You’ll Do

• Design and develop high-performance Java applications and microservices
• Build and integrate APIs and distributed systems
• Develop scalable, resilient and highly available solutions
• Work across the full software lifecycle, from design through to production
• Troubleshoot complex technical issues in a mission-critical environment
• Work closely with data, hardware and operations teams
• Contribute to CI/CD, automation and DevOps practices
• Support and mentor less experienced engineers

Tech Stack

Core: Java, Spring Boot, RxJava Data & Eventing: Kafka, PostgreSQL, Couchbase Cloud & DevOps: Azure, Docker, Kubernetes, Azure DevOps / GitHub Actions Monitoring: Splunk, AppDynamics, New Relic

• Strong commercial experience developing Java applications
• Hands-on experience with Spring Boot and microservices
• Experience building scalable, distributed and highly reliable systems
• Strong API development and integration experience
• Experience with Kafka/event-driven architecture
• Good understanding of PostgreSQL and/or NoSQL databases
• Experience with CI/CD and DevOps
• Agile product development experience
• Strong understanding of software design, testing and TDD
• Experience working with cloud technologies, ideally Azure