C# Developer

Czym będziesz się zajmować?

Core responsibilities:

• Develop C# components for high-concurrency SIP sessions, including complex headers and MIME bodies supporting First-to-Answer and Group Regroups.
• Implement RTP/RTCP media handling for MCPTT and MCVideo with half-duplex floor control.
• Build MCData handlers for SDS and File Distribution using HTTP and SIP MESSAGE, and retrieve XCAP XML configurations.
• Integrate OIDC authentication and MIKEY-SAKKE encryption for secure, resilient media transport.

• Private medical coverage, Multisport and life insurance worth two annual incomes.
• Employee stock purchase plan with a 15% discount and pension contributions of 3.5% of monthly gross salary.
• IP Tax Relief up to 80%, annual salary increases and a performance-based bonus.
• Flexible hours, usually starting between 8 and 10, an 8-hour working day with a 30-minute lunch break, and hybrid work.

• At least 2 years of professional experience focused on asynchronous network programming with C#, .NET Framework and .NET Core.
• Experience with WCF, SignalR, Entity Framework, ASP.NET and WebAPI.
• Understanding of the SIP protocol stack, including INVITE, PUBLISH and SUBSCRIBE, and experience with RTP/RTCP stacks.
• Proficiency in parsing XSD XML schemas and handling multipart/mixed MIME bodies.
• Strong knowledge of OOP and SOLID principles, plus modern CI/CD workflows with Git, pull requests and Agile.

• Familiarity with TS 24.379, MCPTT or related MCX standards.
• Experience with SRTP, TLS or KMS key-management lifecycles.

• C#
• .NET Core
• WCF
• SIP
• RTP/RTCP
• XSD
• ASP.NET Web API

• SignalR
• Entity Framework
• OOP
• CI/CD
• Git

• Polski
• Angielski

• 13k–17.5k PLN brutto/m (Umowa o pracę)
• Umowa o pracę - Elastyczne godziny pracy (100%)
• Praca zdalna: Hybrydowo
• Pakiet medyczny, Ubezpieczenie, Pakiet sportowy

About Motorola Solutions | Solving for safer

Safety and security are at the heart of everything we do at Motorola Solutions. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations.