Data Migration Developer in Belfast

Hays is working with a large public-sector transformation programme to recruit a Data Migration Developer. This is a data-first role, requiring deep technical credibility rather than a pure governance-led project manager. You will lead the end-to-end delivery of complex data migration activities, working closely with vendors, application teams, and integration specialists to ensure high-quality, secure, and reliable data outcomes. Key Responsibilities Lead scoping, planning, mapping, and execution of large-scale data migrations Own data quality, cleansing, validation, and reconciliation Work across multiple legacy systems and data formats (e.g. SQL, XML, HL7) Challenge vendor approaches and manage data migration risks Coordinate technical data specialists and report progress to senior stakeholders Essential Experience Proven background leading complex data migration work streams Hands-on understanding of data structures, formats, tooling, and validation Experience managing high-volume, poor-quality, or complex datasets Strong stakeholder engagement and vendor management skills Why Apply? Senior role with genuine technical ownership Long-term transformation programme with data at the core Initial 6-month contract with strong extension potential Hybrid working model Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be Skills: data migration sql Benefits: Competitive ADZN1_NI41bf1e1f-b16b-4260-a40a-17c77a06fd15