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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Lead Tableau Reports Developer/ETL | Hartford, Connecticut 06106 - **Company:** Nmk Global Inc. - **Location:** Hartford, CT, United States - **Experience:** Expert - **Contract:** Contract - **Skills:** Microsoft Access, .NET Framework, Information Systems, Databases, System Configuration, Data Conversion, Data Dictionary, Data Distribution Service, Data Integration, Extract Transform Load (ETL), Data Mapping, Data Mart, Data Migration, IBM DB2, Relational Databases, Software Debugging, Software Design Documents, File Transfer, Revision Control Systems, Microsoft SQL Server, Team Foundation Server, Performance Tuning, Salesforce.Com, Service-Oriented Architecture, Microsoft SharePoint, Software Engineering, SQL Stored Procedures, SQL Databases, SQL Server Reporting Services, SQL Server Agent, SQL Server Integration Services, Data Streaming, Tableau (Software), Talend, Transact-SQL, Enterprise Application Integration, Freeform SQL, File Transfer Protocol (FTP), Data Ingestion, Software Verification, Database Performance, Git, Software Version Control, Legacy Systems, Mulesoft - **Published:** October 26, 2026 - **Apply:** https://www.dice.com/job-detail/1089238a-9f04-4e32-8d22-6f3ebe92ce26 ## About the Role * 10+ years of overall relevant professional experience. * 5+ years of experience developing Tableau reports and dashboards. * 5+ years of experience writing complex SQL queries. * 5+ years of experience with T-SQL, SSRS, SSIS, or Talend. * Strong experience with Microsoft SQL Server, Transact-SQL, and stored procedures. * Experience debugging and optimizing SQL queries and database performance. * Experience deploying SSIS packages using Git check-ins or version control, configuring environment variables, and scheduling jobs through SQL Server Agent. * Experience with Team Foundation Server (TFS) or equivalent version control tools. * Experience creating, deploying, and maintaining Talend-based solutions and reports. * Experience with data modeling, data integration, data migration, and ETL pipeline development. * Experience working with DB2 and SQL Server databases. * Strong analytical, problem-solving, and cross-functional collaboration skills. * Excellent verbal and written communication skills. * Ability to manage multiple tasks, adapt to changing requirements, and meet tight deadlines. * Ability to work independently and proactively throughout the development lifecycle. Preferred Skills: * Salesforce. * MuleSoft. * Experience supporting legacy system modernization and enterprise application integration. * Experience with child welfare, government, or public-sector information systems. ## Description The Connecticut Department of Children and Families (DCF) is seeking an experienced Lead Tableau Reports Developer/ETL to support existing .NET applications and participate in the Software Development Life Cycle (SDLC) for the next-generation Comprehensive Child Welfare Information System (CCWIS). The candidate will work with agency management, business analysts, end users, and the system integrator to support application development, reporting, data integration, data migration, and ongoing system maintenance. The role involves developing and maintaining Tableau reports, SSRS reports, SSIS ETL packages, complex SQL queries, and data integration solutions. The candidate will also participate in requirements verification, solution design, development, testing, deployment, troubleshooting, performance optimization, documentation, and maintenance. Roles and Responsibilities: * Develop, deploy, and maintain Tableau reports based on business and user requirements. * Create and maintain SSRS reports and SSIS ETL packages. * Design and support database architecture, including relational data structures, data marts, data dictionaries, and logical and physical data models. * Develop and maintain complex Microsoft T-SQL queries, stored procedures, triggers, and SQL scripts. * Design, develop, and implement ETL/ELT solutions for data ingestion, cleansing, transformation, business rule execution, and data distribution. * Develop data acquisition strategies and implement data quality and discrepancy management processes. * Support data migration and integration from legacy systems to new applications and technologies. * Design and implement data conversion strategies for migration from legacy platforms to new systems. * Integrate external data sources with internal systems. * Access and work with data stored in DB2, Microsoft SQL Server, and other database management systems. * Validate data flows, perform data reconciliation, and implement error-handling procedures. * Optimize SQL queries, SSIS packages, and data-loading processes for improved performance. * Develop SSIS packages for file transfers, including secure FTP/SFTP operations. * Deploy SSIS packages using version control, configure environment variables, and create corresponding SQL Server Agent jobs. * Develop Tableau reports with dynamic grouping and sorting, drill-down functionality, summary reports, cross-tab reports, and on-demand subreports. * Deploy reports to report servers and integrated SharePoint report servers. * Collaborate with business analysts and end users to gather and validate requirements. * Participate in requirements gathering, data mapping, extraction, loading, testing, troubleshooting, documentation, and ongoing maintenance. * Work with the system integrator to review and validate requirements, design documents, testing deliverables, and environment configurations. * Support Service-Oriented Architecture (SOA) integration initiatives and existing .NET applications. * Demonstrate strong problem-solving skills, initiative, organization, and the ability to drive work from requirements through implementation.