• Design, implement, and optimize software in the C programming language for telecommunication systems based on IMS architecture.
• Maintain high-quality code, troubleshoot technical issues, and debug existing systems.
• Implement and integrate signaling protocols such as SIP and DIAMETER in telecommunication systems.
• Monitor, analyze, and resolve signaling-related issues, ensuring compliance with relevant 3GPP standards

Requirements

Must have:

• Strong interest in and understanding of telephony.
• Telco/IMS experience
• Proficiency in C programming language
• Fluency in English; reading 3GPP specs should be a part of your skill set.
• Proven track record in adhering to deadlines and keeping projects on track

Nice to have:

• Experience with signaling standards such as SIP, DIAMETER
• Experience with: Kamailio, RTPEngine, FreeSwitch, OpenSIP, Redis, MySQL, Docker, Kubernetes, RTP
• Proficiency in Python

Additional information

• Location: remote (candidate must be based in Poland).
• Type of contract: B2B
• Start date: ASAP
• Rate: up to 190 PLN/H net + VAT

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