Senior Systems Integration Engineer | Hybrid London | 6-Month FTCOverview:An exciting opportunity has arisen with a purpose-driven organisation undergoing significant technology transformation. We are seeking a Senior Systems Integration Engineer to bring stability, connectivity, and technical leadership to a complex multi-platform environment.Reporting directly to the CEO, you will act as the organisation''s trusted technical voice, connecting systems, improving data integrity, strengthening vendor accountability, and helping create a scalable technology foundation for future growth.This is a hands-on role suited to someone who enjoys solving technical challenges, working across multiple systems, and delivering practical integration solutions that have a direct impact on business operations.Role andamp; Responsibilities:Design, build, test, and support integrations across Microsoft Dynamics CRM, Business Central, SaaS platforms, and other business systems.Develop and maintain API-based integrations, data pipelines, webhooks, and automated workflows.Troubleshoot integration issues, data discrepancies, and system connectivity challenges.Support platform upgrades, system enhancements, and data migration activities.Work closely with third-party suppliers and implementation partners to deliver technical solutions.Assist with improving data quality, system reliability, and operational efficiency.Document integration designs, technical processes, and recommendations.Collaborate wit