Contract Engineering Manager Location: Hybrid (2-3 Days/Week Onsite - London) Duration: 6 months IR35 Status: Outside IR35 Rate: £600-£650/dayOpus is partnering with well-known UK retailer seeking a Contract Engineering Manager to lead the technical migration of their STIBO STEP PIM system from on-premise to a modern SaaS architecture. This is a high-impact role requiring deep technical leadership, stakeholder management, and hands-on experience with enterprise-scale migrations. Tech Environment: STIBO STEP (PIM) Java 17+ (Java 21 preferred) Micronaut/Spring Boot JUnit/Mockito Kafka/MongoDB GraphQL Federation/REST APIs Gradle Terraform/OpenTelemetry/Dynatrace Key Responsibilities:Architect and lead the end-to-end migration of STIBO STEP to SaaSCollaborate with internal teams and external vendors to align on integration, customisation, and roadmapChampion microservices and event-driven architectureTranslate technical complexity into business-friendly insights for senior stakeholdersManage engineering teams through full product life cycle, ensuring delivery excellence and operational stabilityDrive adoption of Elite DORA metrics and engineering best practices Must-Haves:10+ years in software engineering, 5+ in leadership rolesProven experience with STIBO STEP and enterprise SaaS migrationsStrong technical depth across Java, microservices, and cloud-native toolingExceptional communication and stakeholder management skills Interested?Apply now or send your latest CV to (see belo