> Markdown version of [/jobs/ext/2306464-data-migration-lead-data-transformation](https://www.wearedevelopers.com/jobs/ext/2306464-data-migration-lead-data-transformation). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Data Migration Lead - Data Transformation

- **Company:** Jobtailor
- **Location:** Greater London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Data Analysis, Big Data, Data Cleansing, Data Governance, Data Transformation, Data Migration, Operational Data Store, Test Data
- **Published:** August 30, 2026
- **Apply:** https://www.collegerecruiter.com/job/2815446827-data-migration-lead--data-transformation

## About the Role

* Strong experience working as a Data Migration Lead or similar role on complex transformation programmes
 * Proven experience analysing source and target data models and supporting migration design
 * Hands-on experience defining data mappings, transformation logic and reconciliation rules
 * Experience identifying and addressing data quality issues within large or complex datasets
 * Practical involvement in data migration testing, validation and issue resolution
 * Understanding of migration sequencing, cutover planning and deployment considerations
 * Strong analytical and problem-solving skills, with attention to detail
 * Ability to collaborate effectively with architects, delivery teams and business stakeholders
 * Comfortable operating in environments with multiple systems, datasets and dependencies
 * Experience contributing to data-led or platform-based transformation initiatives
 * UK-based and able to travel onsite 2 days per week
 * Experience working on large-scale data transformation or system replacement programmes
 * Exposure to data governance, data ownership or post-migration monitoring models

## Description

* Analyse source and target data structures to understand differences, dependencies and risks
 * Define and document data mapping, transformation and reconciliation rules
 * Support the Business Architect in performing detailed data analysis to inform migration design
 * Identify data quality issues and support the definition and execution of data cleansing and remediation plans
 * Contribute to the definition of the overall data migration approach, including sequencing, dependency management and cutover considerations
 * Produce clear migration specifications, validation rules and test data to support delivery and testing
 * Support data migration testing activities, including reconciliation, issue investigation and resolution
 * Assist in specifying data reporting and data quality requirements for migration and post-migration states
 * Provide input into operational data ownership, controls and post-migration monitoring arrangements
 * Work within programme governance structures, supporting mobilisation and ongoing delivery


## Related Videos

- [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail)
- [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology)
- [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them)
- [A Developer's Framework for Any Tool Migration](https://www.wearedevelopers.com/videos/2035-a-developer-s-framework-for-any-tool-migration)
- [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering)
- [The Innovation Formula: Fast Prototyping, Data Analysis, and Real User Insights](https://www.wearedevelopers.com/videos/1421-the-innovation-formula-fast-prototyping-data-analysis-and-real-user-insights)

## Related Articles

- [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk)
- [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)
- [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)
- [Best Companies to work for in London: Top 25 Companies in 2023](https://www.wearedevelopers.com/magazine/187-best-companies-to-work-for-in-london-top-25-companies-in-2023)