VoIP Systems Developer with C++

If you always dreamed about designing the KIIT of the future... Your place is here!

We are looking for a VoIP Systems Developer with strong C++ skills and experience in VoIP technologies.

You will be part of a multidisciplinary team in charge of developing and optimising telecommunication solutions based on IP communication protocols for railway systems. If you have experience in the design, implementation and optimisation of VoIP systems and a strong command of C++, this is your opportunity!

WHAT CHALLENGE WILL YOU BE TAKING ON?

Your main responsibilities will be :

• Design, develop and maintain VoIP solutions using C++ as the main language.
• Implement and optimise VoIP protocols such as SIP (Session Initiation Protocol), RTP (Real-time Transport Protocol), and RTCP (Real-time Transport Control Protocol) for voice and video communications.
• Collaborate with network teams to ensure efficient integration with VoIP servers and devices.
• Perform debugging and troubleshooting in VoIP environments , ensuring high availability and quality of service.
• Implement cybersecurity measures in VoIP communications .

WHAT DO WE NEED IN OUR TEAM?

For this position, we are looking for Graduates in Computer Engineering or similar with experience in :

C++ and Familiarity with libraries for multimedia processing (e.g. GStreamer, FFmpeg).

WHAT DO WE OFFER?

In our recruitment processes you will always have telephone and personal contact, face-to-face or online, with our talent acquisition team. In addition, bank transfers and bank cards will never be requested. If you are contacted through any other process, please write to our team at

We promote equal opportunities in recruitment, and we are committed to inclusion and diversity.

WHAT ARE YOU WAITING FOR? JOIN US

#LI-Hybrid

If you have any questions please do not hesitate to contact Alejandra Estévez Melgarejo , in charge of this vacancy.

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