Data Migration & Integration Developer - 10962369

Data Migration & Integration Developer Location: Brussels, Belgium Employment Type: Contract Duration: 6 Months Start Date: ASAP Experience: 8–10 years Work Model: Hybrid – 1 day per week in the office Role Overview 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. Key Responsibilities Data Migration 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. IT Integration 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. Data Analysis & Mapping 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. Stakeholder Management 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. Required Skills & Experience 8–10 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.