Data Migration Lead
Data IdolsContract: 450- 550 per day
Location: London, 1 day per week
We are currently looking for a Senior Business Data Migration Lead (Data Architecture & Discovery) to join a, data-driven team on an initial 3-month contract focused on a critical discovery phase project.
Reporting into senior business stakeholders, this person will play a key role in helping the organisation understand, document and future-proof a complex reporting and data infrastructure environment. The successful candidate will act as the bridge between commercial teams and technical data specialists, helping to untangle legacy data processes and define the roadmap for a future-state architecture.
This is an ideal opportunity for a Migration Lead who enjoys working at the intersection of business, data and technology, combining stakeholder engagement with hands-on analysis of data pipelines, reporting systems and transformation logic.
The Opportunity
This assignment focuses on documenting the current data landscape, understanding business requirements and producing a clear blueprint for future delivery.
Key responsibilities include:
Mapping and documenting the current data architecture and reporting ecosystem
Analysing existing Python and Apache Airflow data pipelines
Tracing data flows from multiple partner data sources through Google Cloud environments into reporting platforms
Reviewing and documenting transformation logic within PostgreSQL
Working closely with commercial stakeholders to gather and define business requirements
Assessing and rationalising complex taxonomy and mapping structures across multiple reporting domains
Conducting audits of existing reporting logic and identifying gaps, risks and dependencies
Producing clear technical and business documentation to support future migration and delivery activity
Helping define the target-state architecture and delivery roadmap
This role offers the opportunity to make a significant impact on a high-profile data transformation programme, providing clarity and direction for future implementation phases.
What's in it for you?
Competitive day rate
Hybrid working arrangement
High-impact discovery and transformation project
Opportunity to work across business and technical teams
Exposure to complex cloud-based data architecture environments
Autonomous role with significant stakeholder exposure
Skills & Experience
Proven experience as a Migration Lead within data-focused environments
Strong understanding of data architecture, data lineage and reporting ecosystems
Experience documenting complex data flows and business processes
Ability to work with technical teams to understand data pipelines and transformation logic
Strong stakeholder management and requirements gathering experience
Experience working with cloud-based data platforms
Excellent documentation and communication skills
Experience with Tableau and Power BI environments
Knowledge of Google Cloud Platform (GCP)
Familiarity with PostgreSQL, Python and Apache Airflow
Experience within digital media, publishing, advertising technology or affiliate commerce environments
Understanding of programmatic advertising and revenue reporting models
Previous experience supporting data migration or modernisation programmes
If you would like to be considered for the role and feel you would be an ideal fit, please apply with your latest CV.