Senior C# Developer for MS365 w Warszawa, Polska

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.

Role Overview

We are looking for a Senior C# Developer for Veeam Backup for Office 365 .

Your tasks will include:

• Supervise the team’s day-to-day operations
• Analyze and establish business requirements in collaboration with the product management team
• Develop new product features, currently focusing on backend
• Estimate the efforts required for feature implementation, including costs and capacity
• Develop your hard and soft skills together with the team
• Make technical decisions
• Lead and involve others into code reviews
• Ensure work atmosphere inside of the team, team members learning and motivation
• Communicate with the project’s stakeholders
• Establish and review communication and processes inside of the team: prepare and perform regular meetings, planning, daily, retro

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

Technologies we work with:

• Latest C# (and a bit of C++, C++\CLI), REST, PowerShell
• .NET 10
• Visual Studio, Rider
• Azure DevOps, Git, Jenkins, TeamCity
• Azure, Office 365, Amazon, Google
• Exchange, SharePoint, Active Directory, PostgreSQL

What we expect from you:

• 5+ years of software development in commercial projects
• Strong knowledge of C#, .Net, Win API, data structures, and algorithms
• Strong organizational and leadership skills, self-control and responsibility
• Result-oriented, proactive approach
• Strong problem-solving skills
• Technical mindset with great attention to details
• Good communication skills
• English proficiency level sufficient to communicate with international teams