Data Integration & Data Warehouse Developer
7 days ago
City of London
Meraki Talent are are seeking a highly skilled Data Integration & Data Warehouse Developer to design, develop, and maintain robust data integration and data warehousing solutions. This role is heavily focused on Microsoft SQL Server, SSIS, and .NET/C#, supporting enterprise reporting, analytics, and business-critical applications. This is a day rate role with a leading international bank. You will work closely with data analysts, business stakeholders, and fellow developers to deliver reliable, scalable, and high-quality data solutions that drive informed decision-making across the organisation. Key Responsibilities • Design, develop, and maintain ETL processes using Microsoft SSIS, • Build and optimise data warehouse and data mart solutions, • Develop and maintain SQL Server databases (tables, views, stored procedures, functions), • Optimise query performance and ensure data integrity and accuracy, • Develop and support .NET / C# applications that interact with SQL Server databases, • Troubleshoot data issues and perform root-cause analysis, • Translate business requirements into effective technical solutions, • Maintain technical documentation and adhere to development best practices, • Support deployments, monitoring, and continuous improvement of data solutions Required Skills & Experience • Strong hands-on experience with Microsoft SQL Server, • Proven experience developing SSIS packages for ETL and data integration, • Solid understanding of data warehousing concepts, including:, • Star schema, • Fact and dimension tables, • Slowly changing dimensions, • Professional experience with .NET and C#, • Advanced T-SQL skills, including performance tuning and query optimisation, • Experience handling large datasets and complex data transformations, • Familiarity with source control tools (Git, Azure DevOps, or similar)