Data Migration & Integration Developer

Location: Brussels Belgium
Employment Type: Contract
Duration: 6 Months
Start Date: ASAP
Experience: 810 years
Work Model: Hybrid 1 day per week in the office

We are looking for an experienced Data Migration & Integration Developer to support large-scale transformation programs with a strong focus on data migration system integration data mapping and validation.

• Define and execute end-to-end data migration strategies.
• Lead data assessment profiling cleansing mapping transformation validation and reconciliation activities.
• Develop migration plans runbooks and cutover strategies.
• Support the migration of customer account transaction product and reference data.
• Manage mock migrations dress rehearsals and production migration activities.

• Coordinate integration activities across multiple applications and platforms.
• Define system interfaces and integration requirements.
• Ensure effective integration between source systems target applications middleware APIs and external partners.
• Work with Enterprise Architects and Technical Leads to establish integration patterns and dependencies.
• Manage end-to-end integration testing and defect resolution.

• Perform source-to-target data mapping.
• Analyse legacy data structures and identify migration impacts.
• Define transformation and business validation rules.
• Develop reconciliation and data quality reports.
• Ensure data integrity and consistency throughout the migration lifecycle.

• Collaborate with Business Analysts Product Owners Architects Developers QA teams and business users.
• Conduct workshops for migration requirements and data mapping.
• Provide status reporting risk assessments and governance updates.
• Coordinate with external vendors and third-party application providers.

• 810 years of relevant experience.
• Strong experience with large-scale enterprise data migration projects.
• Hands-on expertise in:
  • Data Profiling
  • Data Cleansing
  • Data Mapping
  • Data Transformation
  • Data Reconciliation
  • Data Validation
  • Cutover Planning
• Experience migrating data between legacy and modern platforms.
• Strong integration experience including:
  • API Integration
  • Microservices Architecture
  • Middleware Platforms
  • ETL Processes
  • Data Synchronization
  • System Interface Design
• Strong SQL and database querying skills.
• Experience with databases such as Oracle SQL Server PostgreSQL or DB2.
• Experience with ETL tools such as Informatica Talend IBM DataStage SSIS or Ab Initio.
• Experience with REST SOAP JSON and XML.
• Familiarity with Azure DevOps Jira and Confluence.
• Strong analytical communication and stakeholder-management skills.