Data Engineer

Data Engineer/DBA - Inside IR35 - £425 - £450pd - Remote 1st We’re seeking an experienced Data Engineer (AWS DocumentDB / MongoDB Migration) on a contract basis to play a key role in transforming and modernising a high-profile e-commerce data platform into a new AWS-native environment. You’ll be responsible for the design, migration, optimisation and long-term performance of AWS DocumentDB, leading the transition from legacy MongoDB environments into a scalable, secure, and fully supported cloud-native solution. This is a hands-on role for someone who truly lives and breathes DocumentDB—someone with deep expertise in MongoDB architecture, strong AWS knowledge, and proven experience delivering successful migrations into AWS DocumentDB at scale. Person Requirements • 8–10+ years’ experience as a Data Engineer / Database Engineer with strong NoSQL expertise • Deep hands-on experience with AWS DocumentDB in production environments • Strong experience with MongoDB, including architecture, administration, optimisation and troubleshooting • Proven delivery experience migrating MongoDB workloads into AWS DocumentDB • Strong AWS experience across core services and database platforms • Strong understanding of DocumentDB limitations, compatibility challenges, and performance tuning best practices Key Responsibilities • Own the end-to-end migration of MongoDB into AWS DocumentDB, ensuring successful delivery across design, implementation and optimisation • Assess, troubleshoot and remediate compatibility gaps between MongoDB and DocumentDB • Design high-performing, scalable and resilient DocumentDB architectures aligned to AWS best practice • Lead data migration strategies using AWS DMS and other migration tooling where required • Optimise indexing, query performance, cluster configuration, replication and operational efficiency within DocumentDB • Support engineering teams with application changes required for full DocumentDB compatibility Apply now or get in touch for a conversation!! Interviews happening after the Bank Holiday!