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Offer summary
(Summary generated by AI based on the full job description)
The project focuses on managing and optimizing customer databases, emphasizing SQL Server and Azure-hosted SQL Server environments. Practical experience with ORM, database migration tooling, and advanced SQL plus query and index optimization is required. Responsibilities include leading database changes, defining migration script standards, production performance monitoring, troubleshooting bottlenecks, collaborating with development teams, and maintaining performance documentation and recommendations. Minimum 10 years of SQL Server DBA/engineering experience and advanced English are required.
from: 10 November 2026
to: 10 December 2026
salary not specifiedB2B contract (full-time)
salary not specifiedcontract of employment
Offer parameters
level:senior
working mode:hybrid • full office
Wrocław, Fabryczna
Requirements
Expected technologies
SQL
Microsoft Azure
ORM (Object-Relational Mapping)
Our requirements
- Minimum 10 years of experience in SQL Server DBA or database engineering
- Strong expertise in SQL and experience with database migration tooling and processes
- Deep understanding of query and index optimization techniques
- Practical experience with ORM (Object-Relational Mapping) and its impact on database performance
- Familiarity with Azure-hosted SQL Server environments and on-prem/customer-hosted instances
- Advanced level of English and residency in Poland is required
Your responsibilities
- Leading the management of database changes and performance monitoring across production environments
- Defining and enforcing migration script standards in collaboration with development teams
- Optimizing queries and indexes to identify and resolve performance bottlenecks in production systems
- Working with ORM layers to understand and manage database load generated by application code
- Setting up and interpreting database performance monitoring to proactively detect bottlenecks
- Collaborating with teams to ensure smooth database migrations and adherence to best practices
- Providing insights and recommendations for continuous improvement of database performance
- Maintaining documentation related to database management and performance optimization
About the project
We are looking for an experienced Senior SQL Server Specialist to join our team in Wroclaw. In this role, you will elevate the standards of how our engineering teams manage database changes and take ownership of performance monitoring and troubleshooting across customer production environments. This position offers a hybrid work model. If you are passionate about optimizing database performance and have a strong background in SQL Server, we encourage you to apply.
What we offer
- Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
- Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
- We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
- Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
- Comfortable workplace – class A offices or remote work
- Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
- PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
- Investment in your growth – meetups, webinars, training platform and technology blog – you choose
- Fantastic atmosphere created by all Sii Power People
Recruitment stages
- 1.Send your CV
- 2.Talk to us about your expectations
- 3.Learn more about our projects and choose the best
- 4.Start your adventure with Sii!
Sii Sp. z o.o.
Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment.
Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.
This is how we work
Senior SQL Server Specialist (f/m/x)
I apply to:
Sii Sp. z o.o.
Wrocław, Fabryczna
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