About Veeam

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

We're looking for a Senior C# Developer to join our team, which focuses on two main areas:

Veeam Explorers - granular recovery for SQL Server, Oracle, PostgreSQL, Exchange and SharePoint - where we expose browse and restore through REST and gRPC so they can be driven from the Web UI, PowerShell and automation.
Active Directory Forest Recovery as part of Identity Resilience, which rebuilds an entire AD forest after a domain-wide outage or ransomware attack.

Both are the same kind of system: a server orchestrating a remote agent over a versioned contract, running operations that take hours and must survive failure at any step.

What You'll Do

Design and implement recovery flows end-to-end — REST and gRPC contracts, server-side orchestration, and the agent that executes on the target machine
Build PowerShell cmdlets as a first-class product surface, with parameter validation and a coherent object model
Design pre-flight validation that catches issues before a restore starts, across REST, server and agent layers
Work close to what you're recovering: SQL Server, Oracle and PostgreSQL internals, or Active Directory — domain controller promotion, SYSVOL and NTDS, DNS, Kerberos, replication
Manage long-running distributed sessions: agent deployment, keep-alive, cleanup on failure and timeout, cancellation
Own your integration test suite and keep it green
Refactor a long-lived codebase as you go — this is a mature product, and improving what's there is part of the job

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

What You'll Bring

5+ years of commercial C# product development, with a deep understanding of .NET, data structures and algorithms
Experience designing service APIs — REST, gRPC or similar — where consumers are external and backward compatibility matters
Strong async and multithreading: cancellation, session lifecycle, hours-long operations
Depth in at least one of: Windows Server and Active Directory administration or internals; or database recovery mechanics for SQL Server, Oracle or PostgreSQL
Comfort in a large existing codebase: reading unfamiliar code, refactoring safely
English for daily work in an international team

Technologies We Work With

C#, .NET, REST, gRPC / Protobuf, PowerShell, multithreading and async, Windows Server and Active Directory, Linux, MS SQL / PostgreSQL / Oracle, VMware and Hyper-V, Git, TFS, Visual Studio, Rider

Senior C# Developer: Explorers/ Identity Resilience

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