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Veeam Software

Middle C# Developer for MS365

Warsaw, Poland
Level
Mid

Not stated in the posting: salary, work type, visa.

Open. First seen 22 October 2026.

Apply on the company's site →

About the role

Veeam Software's standard text

Veeam is the Data and AI Trust Company, specializing in helping organizations ensure their data and AI are fully understood, secured, and resilient to enable the acceleration of safe AI at scale. As the market leader in both data resilience and data security posture management, Veeam is built for the convergence of identity, data, security, and AI risk. Headquartered in Seattle with offices in more than 30 countries, Veeam protects over 550,000 customers worldwide, who trust Veeam to keep their businesses running.

Join us as we go fearlessly forward together, growing, learning, and making a real impact for some of the world’s biggest brands.

Now we are looking for a Middle C# Developer to join the team that works on Veeam Backup for Office 365.

Your tasks will include:

  • Developing and supporting one of Veeam's core products: Veeam Backup for Office 365
  • Communicating with other participants of the product development process
  • Participating in planning and creating the features for your products

Technologies we work with:

  • Latest C# (and a bit of C++, C++\CLI), REST, PowerShell
  • .NET 8
  • Visual Studio 2022, Rider
  • Azure DevOps, Git, Jenkins, TeamCity
  • Azure, Office 365, Amazon, Google
  • Exchange, SharePoint, Active Directory, SQL, Oracle, PostgreSQL

What we expect from you:

  • Good knowledge of C# language
  • Deep understanding of the Windows platform (.NET, Win API), data structures and algorithms
  • Advanced knowledge of Windows or Linux operating systems
  • Experience in the development for public clouds Microsoft Azure, Office 365, Microsoft Exchange, SharePoint, Active Directory, SQL Server, Oracle, PostgreSQL, or commercial development of products for the mass market is an advantage
  • You should also have an open and flexible mind, common sense, clear logic, analytical skills, and the ability to work in a team

Will be an advantage:

  • Experience in the development for public clouds Microsoft Azure, Office 365
  • Experience in the development for Microsoft Exchange, SharePoint, Active Directory, SQL Server, Oracle, PostgreSQL
  • Experience in a commercial development of products for the mass market

What You’ll Get:

  • 26 paid days off annually, plus 4 extra global VeeaMe Days for self-care and 24 paid volunteer hours annually through Veeam Cares
  • Paid parental, maternity, and paternity leave
  • Fully covered family medical plan, dental, rehab, and vaccinations
  • Life, critical illness, and disability insurance
  • Employer pension contribution via PPK
  • Monthly Edenred allowance of 450 PLN for meals
  • MultiSport card fully covered by Veeam, giving access to sports facilities nationwide
  • Up to 12 free therapy sessions annually, plus legal and financial advice
  • Opportunities to learn and grow through on-demand libraries (LinkedIn Learning, O’Reilly), mentoring, workshops and learning events like our annual Global Day of Learning

#LI-TK1

Your tasks will include:

  • Developing and supporting one of Veeam's core products: Veeam Backup for Office 365
  • Communicating with other participants of the product development process
  • Participating in planning and creating the features for your products

Technologies we work with:

  • Latest C# (and a bit of C++, C++\CLI), REST, PowerShell
  • .NET 8
  • Visual Studio 2022, Rider
  • Azure DevOps, Git, Jenkins, TeamCity
  • Azure, Office 365, Amazon, Google
  • Exchange, SharePoint, Active Directory, SQL, Oracle, PostgreSQL

What we expect from you:

  • Good knowledge of C# language
  • Deep understanding of the Windows platform (.NET, Win API), data structures and algorithms
  • Advanced knowledge of Windows or Linux operating systems
  • Experience in the development for public clouds Microsoft Azure, Office 365, Microsoft Exchange, SharePoint, Active Directory, SQL Server, Oracle, PostgreSQL, or commercial development of products for the mass market is an advantage
  • You should also have an open and flexible mind, common sense, clear logic, analytical skills, and the ability to work in a team

Will be an advantage:

  • Experience in the development for public clouds Microsoft Azure, Office 365
  • Experience in the development for Microsoft Exchange, SharePoint, Active Directory, SQL Server, Oracle, PostgreSQL
  • Experience in a commercial development of products for the mass market

#LI-TK1

Veeam Software is an equal opportunity employer and does not tolerate discrimination in any form on the basis of race, color, religion, gender, age, national origin, citizenship, disability, veteran status or any other classification protected by federal, state or local law. All your information will be kept confidential.

Veeam Software's standard text

Personal data collected during the recruitment process will be processed in accordance with our Recruiting Privacy Notice, which explains how your information is collected, used, and handled in connection with hiring activities. By applying for this position, you consent to this processing.

By submitting your application, you confirm that the information provided, including any supporting documents, is complete and accurate to the best of your knowledge. Any misrepresentation, omission, or falsification may result in disqualification from consideration or, if discovered after employment begins, termination of employment.

What this role asks for

Particular to this role

Active Directory · Azure DevOps · C++ · Microsoft 365 · Oracle · PostgreSQL · PowerShell · SQL Server

Rare in Veeam Software's other 124 open postings.

75% of this description is written for the role. The rest is Veeam Software's standard text, folded away below.

Compared with Veeam Software's other open jobs.

The team: Development, SaaS Protection

This role is one of 5 open in Development, SaaS Protection. 5 were posted in the last 30 days.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

.NET (5 of 5), Azure (5 of 5), Azure DevOps (5 of 5), C# (5 of 5), C++ (5 of 5), CI/CD (5 of 5), Git (5 of 5)

OTHER ROLES ON THIS TEAM

From the team and dates on Veeam Software's own job board.

Posting history

Reposted once since 2 October 2026: a posting for this role in Warsaw, Poland was taken down and the role was posted again.

  • 22 October 2026 – open (this posting)
  • 2 October 2026 – closed 21 October 2026

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