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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Integration & SQL Specialist - **Company:** STAFIDE - **Location:** Amsterdam, Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Databases, Information Engineering, Data Governance, Data Integration, Extract Transform Load (ETL), Data Transformation, Data Migration, Data Warehousing, IBM DB2, Database Design, Database Development, PostgreSQL, Microsoft SQL Server, Oracle (Applications), Performance Tuning, Query Optimization, SQL Stored Procedures, SQL Databases, Enterprise Data Management, Freeform SQL, Data Ingestion, Real Time Data, Data Pipelines - **Published:** September 5, 2026 - **Apply:** https://www.adzuna.nl/details/5870977943 ## About the Role * 10+ years of overall professional experience in data integration, SQL development, or related data engineering roles. * 8+ years of hands-on SQL development experience. * 8+ years of experience in Data Integration and ETL/ELT. * 5+ years of experience in the Banking/Financial Services domain. * 5+ years of experience in Data Modelling. * Expert-level SQL development skills. * Strong experience with databases such as SQL Server, Oracle, PostgreSQL, DB2, or equivalent. * Strong knowledge of ETL/ELT development, data migration, reconciliation, and data warehousing. * Experience with query optimization, performance tuning, database design, and normalization. * Strong understanding of data quality and data governance frameworks. * Experience working with large-scale enterprise data platforms and complex financial datasets. You Should Possess the Ability to: * Analyse complex banking and financial data requirements and translate them into scalable integration solutions. * Develop highly optimized SQL and database solutions for enterprise environments. * Identify and resolve data quality, reconciliation, integration, and performance issues. * Work effectively with business and technical stakeholders across global, cross-functional teams. * Drive discussions around data integration, modelling, reporting, and technical solutions. * Communicate complex technical concepts clearly and maintain strong technical documentation. * Support data transformation, migration, and modernization initiatives in large-scale environments. * Apply strong analytical and problem-solving skills to business-critical data challenges. ## Description * Design, develop, and maintain enterprise-scale data integration solutions within complex banking environments. * Develop complex SQL queries, stored procedures, views, functions, and performance-tuned database objects. * Build and support ETL/ELT pipelines for data ingestion, transformation, reconciliation, and integration. * Integrate data across banking systems including Core Banking, Lending, Credit, Payments, Treasury, CRM, and Digital Channels. * Support both batch and real-time data integration requirements. * Ensure data accuracy, completeness, consistency, and lineage across enterprise systems. * Support data transformation, migration, and modernization initiatives. * Work with business stakeholders to understand financial and regulatory reporting requirements. * Develop and maintain financial data models supporting CIF, Lending, Credit, Portfolios, Mortgage, Consumer Finance, Payments, Transactions, Treasury, Capital Markets, Risk, Compliance, General Ledger, and Finance., * Exposure to complex data integration, ETL, migration, regulatory reporting, and modernization initiatives. * Collaboration with business, technology, architecture, and data teams. * Opportunity to work with diverse financial data domains and enterprise database technologies. * A challenging environment focused on data quality, performance, scalability, and continuous improvement. ## Related Videos - [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization) - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) ## Related Articles - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [How to land a developer job in Amsterdam](https://www.wearedevelopers.com/magazine/36-how-to-land-a-developer-job-in-amsterdam) - [Best Companies in the Netherlands: Top 25 Companies in 2023 ](https://www.wearedevelopers.com/magazine/193-best-companies-in-the-netherlands-top-25-companies-in-2023) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [How to Find Tech Jobs in Amsterdam](https://www.wearedevelopers.com/magazine/279-how-to-find-tech-jobs-in-amsterdam)