Senior Java Contractors X 3

Senior Java Developer (Contract) – 3 Positions Location: London (Hybrid – 2-3 days per week onsite) Contract: 6-month rolling contract Rate: £800 per day (Inside IR35) Start Date: ASAP Overview We are looking for three experienced Senior Java Developers to join a high-performing engineering team delivering large-scale, cloud-native applications. You'll be working on modern distributed systems, building highly scalable services using Java, Kafka, AWS and Kubernetes within an Agile environment. This is an excellent opportunity for contractors who enjoy solving complex technical challenges and delivering resilient, event-driven platforms. Key Responsibilities • Design, develop and maintain high-performance Java microservices. • Build and enhance event-driven architectures using Kafka. • Develop cloud-native applications on AWS. • Deploy and operate applications using Kubernetes. • Collaborate with architects, product owners and engineering teams to deliver scalable solutions. • Write clean, well-tested, maintainable code following engineering best practices. • Participate in code reviews and contribute to continuous improvement across the development team. • Support production releases and help troubleshoot complex technical issues where required. Essential Skills • Strong commercial experience with Java (Java 11+ preferred). • Proven experience building microservices. • Hands-on experience with Apache Kafka. • Strong knowledge of AWS services. • Experience deploying and managing applications on Kubernetes. • Experience with REST APIs and distributed systems. • Strong understanding of software engineering best practices, CI/CD and automated testing. • Experience working in Agile/Scrum environments. • Excellent communication and stakeholder engagement skills Desirable Skills • Spring Boot • Docker • Terraform or Infrastructure as Code • Observability and monitoring tools • Experience with high-volume, low-latency systems • Financial Services or other enterprise-scale environments Contract Details • 3 contract positions available • £800 per day • Inside IR35 • 6-month rolling contract • Hybrid working: 2-3 days per week onsite in London • Immediate interviews available • Quick start preferred What You'll Be Working On You'll be joining an experienced engineering team delivering modern, cloud-native platforms using Java, Kafka, AWS and Kubernetes. The focus is on building resilient, scalable services that support business-critical applications, with a strong emphasis on engineering quality, automation and continuous delivery.