C# Developer (Security)
- Level
- Mid
Not stated in the posting: salary, work type, visa.
Open. First seen 23 October 2026.
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.
About the Role
We are looking for a C# Developer to join the team that ensures robust security measures for the API across current and upcoming versions of Veeam Backup and Replication.
What You’ll Do
- Development of internal security tools
- Collaborating with the Application Security team to analyze and resolve identified CWEs, and preparing reports for QA
- Developing and supporting tools for automating the verification of permissions, the role model, and RBAC
- Researching and implementing solutions for secure operation with .NET Remotin
Technologies You'll Work With:
C#, .Net 10, SQL, Multithreading, Azure Pipelines, .NET Remoting, Roslyn
What You’ll Bring
- At least 2 years of experience in commercial product development
- Proven experience in C# development, with a focus on security
- Familiarity with API development and security best practices
- Experience with automated testing and tools
- Possession of the principles of software design and development
- Knowledge of SQL, T-SQL, experience with database management system
- English proficiency sufficient to communicate with international teams
Bonus Skills
- Experience with Azure Pipelines for CI/CD processes
- Experience with C# code generation and analysis using Roslyn
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
Please note: If the applicant is permanently present outside of Poland, Veeam reserves the right to refuse to consider the application for a job. Remote job is only possible in case the employee is located in Poland.
#LI-TT1
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
SQL Server · Test Automation
Rare in Veeam Software's other 125 open postings.
66% 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, Data Protection
This role is one of 5 open in Development, Data Protection. 5 were posted in the last 30 days.
WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS
Azure (3 of 5), CI/CD (3 of 5), Kubernetes (3 of 5), .NET (2 of 5), C# (2 of 5), C++ (2 of 5), Golang (2 of 5)
OTHER ROLES ON THIS TEAM
- C# Developer (Security) posted Oct 23
- Middle C++ Developer (NAS Backup) posted Oct 13
- Middle C++ Developer (NAS Backup) posted Oct 13
- Senior Platform Engineer posted Sep 29
From the team and dates on Veeam Software's own job board.
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