Middle C# Developer for MS365

Confirmed live in the last 24 hours

Veeam Software

Warsaw, Poland

Hybrid

Posted April 14, 2026

Job Description

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.

About the Role

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

What You’ll Do

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 You'll 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 You’ll Bring

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

Bonus Skills

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 (Linked