Senior Software Engineer - C#/.Net and C++

Rollout IT

Full-time Budapest, Budapest Computer Occupations

Posted:

June 06, 2026

Location:

Budapest, Budapest, Hungary

Job Description

                    Job Description

We are looking for a Senior Software Engineer with strong C#/.NET backend services who is also open to working with C++ / Linux. 
You will join a mission-critical communication technology environment, working on a core system that supports telephony, VoIP and secure digital services across regulated European markets.
This role is ideal for someone who enjoys complex existing systems, backend development, long-term technical ownership, and is comfortable working across both C#/.NET and C++ domains. Your main stack would be C#/.NET, 20% of the time C++. Therefore, we are primarily looking for a strong .NET engineer who also has solid C++ knowledge or is comfortable contributing to C++ when needed.
Responsibilities
Work on the evolution and stabilization of a C++ / Linux-based Core Communication System

            

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Job Overview

Job Type: Full-time

Location: Budapest, Hungary

Posted: June 06, 2026

Deadline: July 16, 2026