Senior .NET Engineer

We are looking for a .NET Full-Stack Engineer to join a long-term product focused on Microsoft Teams and voice communication.

The role is backend-heavy, with the main focus on C#/.NET, Microsoft Graph integrations, Teams calls, meetings, recordings, and communication data.
 

What you’ll work with

• C# / .NET / ASP.NET Core
• Microsoft Teams integrations
• Microsoft Graph API
• Microsoft Graph Communications / Cloud Communications APIs
• Teams calls, meetings, recordings, call records, participants
• REST APIs
• SQL
• Azure
• React / Angular / TypeScript
• SignalR / WebSockets
   

Must have

• 4+ years of commercial C# / .NET experience
• Strong ASP.NET Core / backend experience
• Commercial Microsoft Graph API experience
• Hands-on experience with Microsoft Graph Communications / Cloud Communications APIs
• Experience with Teams calls, meetings, recordings, or communication APIs
• SQL
• English B2+
   

Will be a plus

• VoIP / telephony
• WebRTC
• SIP / RTP
• Contact center / UCaaS / CCaaS
• Compliance recording
• Real-time audio/media processing
• Strong Azure experience
   

What We Offer

• Stable, long-term product project
• Direct cooperation with a US-based client
• Long-term collaboration and predictable workload
• Transparent compensation
• Paid vacation and sick leave
• Learning and professional development support
• High-quality equipment
• Paid office lunches
• Anniversary gifts and baby bonus