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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Database Developer (T-Sql) With Sql Server Administration - **Company:** Adastra - **Location:** Valencia, Spain - **Salary:** €32,400.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Microsoft Azure, Computer Programming, Databases, Continuous Integration, Data Recovery, Data Warehousing, Database Development, Database Security, Disaster Recovery, Microsoft SQL Server, SQL Azure, Windows Servers, Windows PowerShell, Query Optimization, Power BI, Standard Sql, SQL Stored Procedures, SQL Databases, SQL Server Integration Services, SQL Server Analysis Services, Transact-SQL, System Availability, Database Optimization, Database Performance, Indexer, Performance Monitor, SQL Server Management Studio (SSMS), Sql Tuning - **Published:** August 6, 2026 - **Apply:** https://www.buscojobs.com.es/database-developer-t-sql-with-sql-server-administration-en-valencia-ID-365383811 ## About the Role Strong hands?on experience with Microsoft SQL Server development and administration. Advanced T?SQL skills (stored procedures, functions, views, CTEs, window functions, transactions, error handling, set?based programming). Experience with SQL performance tuning, including execution plan analysis, query optimization, indexing, statistics, blocking/deadlock resolution, and tempdb optimization. Experience supporting data warehouse, BI, or analytical workloads. Solid knowledge of SQL Server security, backup & recovery, maintenance, and Windows Server fundamentals. Nice to Have Experience with SSIS , SSAS , and Azure SQL (Managed Instance or SQL Server on Azure VMs). Familiarity with Power BI , CI/CD for databases, PowerShell, or SQL Server automation. Experience working in Agile environments. #J-*****-Ljbffr ## Description We are looking for aDatabase Developerwith deep expertise inMicrosoft SQL Server and T-SQLwho also enjoys managing and optimizing database environments. This hybrid role combines hands-on database development with SQL Server administration, allowing you to design high?performing SQL solutions while ensuring the stability, security, and reliability of our Microsoft SQL Server-based data warehouse platform.You will work closely with data engineers, business analysts, and application developers to develop efficient database solutions, optimize complex SQL workloads, and maintain production SQL Server environments.Location:Slovakia (Employee contract or B2B for foreigners from other EU countries)Salary:Employee contract from2,700 EUR gross/month(depending on seniority) or B2B. We are open to discussing compensation based on your experience.Please note that this position is based in Europe.ResponsibilitiesDesign, develop, and optimize complexT?SQLsolutions (stored procedures, functions, views, scripts) for data warehouse.Improve database performance through query tuning, execution plan analysis, indexing strategies, and SQL Server optimization.Administer and maintainMicrosoft SQL Server, including SSIS, SSAS, database security, monitoring, backup/recovery, patching, and capacity planning.Ensure high availability, reliability, and operational excellence through proactive monitoring, incident management, root cause analysis, and disaster recovery planning.Collaborate with Data Engineers, Developers, and Business Analysts to design scalable database solutions and promote SQL Server best practices.Required QualificationsStrong hands?on experience withMicrosoft SQL Serverdevelopment and administration.AdvancedT?SQLskills (stored procedures, functions, views, CTEs, window functions, transactions, error handling, set?based programming).Experience with SQL performance tuning, including execution plan analysis, query optimization, indexing, statistics, blocking/deadlock resolution, and tempdb optimization.Experience supportingdata warehouse, BI, or analyticalworkloads.Solid knowledge of SQL Server security, backup & recovery, maintenance, andWindows Serverfundamentals.Nice to HaveExperience withSSIS,SSAS, and Azure SQL (Managed Instance or SQL Server on Azure VMs).Familiarity withPower BI, CI/CD for databases, PowerShell, or SQL Server automation.Experience working in Agile environments.#J-*****-Ljbffr ## Related Videos - [Automated MS SQL Server database deployments with dacpacs and Azure DevOps](https://www.wearedevelopers.com/videos/334-automated-ms-sql-server-database-deployments-with-dacpacs-and-azure-devops) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Beyond Dashboards: Fixing Text-to-SQL with Semantic RAG](https://www.wearedevelopers.com/videos/2036-beyond-dashboards-fixing-text-to-sql-with-semantic-rag) - [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) - [Database DevOps with Containers](https://www.wearedevelopers.com/videos/145-database-devops-with-containers) - [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) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [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) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)