Senior SQL Server Database Developer

We are looking for a Senior SQL Server Database Developer for our customer in Vienna, Austria, with strong expertise in Microsoft SQL Server, T-SQL, query optimization and database performance tuning.

You will develop, maintain and optimize SQL Server databases, improve query performance, manage database operations and troubleshoot complex database-related issues.

Vienna, Austria – Contractor – Relocation required for non-local candidates – Fluent English

EU candidates are welcome to apply. Candidates must be based in Vienna or willing to relocate. Work permit sponsorship is not provided.

• Develop, optimize and troubleshoot complex SQL queries, stored procedures, functions and views;
  
• Analyze execution plans and implement query tuning and indexing strategies to improve database performance;
  
• Identify and resolve performance bottlenecks using SQL Server Profiler, Extended Events and other diagnostic techniques;
  
• Troubleshoot deadlocks, blocking and concurrency issues to ensure database reliability;
  
• Develop and maintain data transformation and ETL processes;
  
• Manage database backups, security permissions, user roles and database integrity;
  
• Automate routine database maintenance, including index rebuilding, statistics updates, integrity checks and scheduled jobs;
  
• Support application teams and clients with database troubleshooting, root cause analysis and database architecture improvements.
  
  

• Bachelor's or Master's degree;
  
• 5+ years of experience in systems analysis, development and programming using Microsoft SQL Server;
  
• 5+ years of progressively responsible experience in the design, development, implementation and maintenance of information systems;
  
• Strong knowledge of SQL query optimization, stored procedures, functions, views and database performance tuning;
  
• Experience with SQL Server execution plans, indexing strategies, SQL Server Profiler and Extended Events;
  
• Knowledge of database troubleshooting, including deadlocks, blocking, concurrency and application performance issues;
  
• Experience with ETL processes, database backups, maintenance automation and scheduled jobs;
  
• Understanding of database security, permissions, user roles, consistency and integrity;
  
• Experience with Agile development methodologies and associated development practices;
  
• Experience with Microsoft TFS or Azure DevOps would be an advantage.
  
• Fluent English.