Our client, an IT Services Company, based in Limassol, is currently looking for an energetic, multi-talented VoIP Software Engineer who is excited by complex technical challenges and motivated by building high-quality communication products. You will be a core contributor to their business phone system, designing and implementing new features across multiple product areas, from SIP infrastructure to integrations with external services. This role combines deep VoIP expertise with strong software development skills in modern web technologies.
Responsibilities:
- Design, develop, and maintain VoIP services and components for our SIP-based platform.
- Implement and enhance integrations with external systems, including third-party APIs.
- Analyse, troubleshoot, and resolve complex SIP/RTP/WebRTC issues to ensure high call quality and reliability.
- Apply secure software design and development principles across all layers of the stack.
- Develop and maintain RESTful APIs and related backend services.
- Conduct testing and optimize performance and scalability.
- Support the team in defining, improving, and enforcing secure development processes and policies.
Requirements:
- Bachelor’s degree in Telecommunications, Computer Science, or a related programming/engineering field.
- Solid experience as a VoIP developer/engineer working with SIP-based platforms.
- Strong hands-on experience with Kamailio and Asterisk (design, scripting, configuration, and troubleshooting).
- Deep understanding of SIP and related protocols: TLS, SDP, RTP/SRTP/RTCP, ICE, WebRTC.
- Good experience with FreeSWITCH and/or FreePBX
- Experience in monitoring with tools such as Grafana, Zabbix, Loki (or similar).
- 3+ experience with Node.js \ python and Express.js (or similar Node frameworks).
- Experience designing and building REST APIs.
- Hands-on experience with relational databases (RDBMS) such as MySQL and PostgreSQL.
Benefits:
- The client is offering a competitive salary based on experience, qualifications and skills plus additional benefits.
- Open to discussions regarding hybrid work structure
To apply:
Please send your CV to StaffMatters at admin@smstaffmatters.com and mention that you are applying for the vacancy of VoIP Software Engineer with reference number 4108.
Or you can apply directly through your candidate login by hitting the APPLY button.
