Senior VoIP Engineer @Synergy Beam
All Others
Salary unspecified
Remote Location
Employment Type full-time
Posted 5d ago

[Hiring] Senior VoIP Engineer @Synergy Beam

5d ago - Synergy Beam is hiring a remote Senior VoIP Engineer. πŸ’Έ Salary: unspecified πŸ“Location: Ukraine

Role Description

We are seeking a Senior VoIP Engineer to be a foundational member of our engineering team, driving the architecture, scaling, and reliability of our core SIP-based SaaS platform.

Join us if you are passionate about tackling complex challenges and redefining communication and emergency systems globally.

Your Impact

  • Lead the design and maintenance of mission-critical, real-time voice systems.
  • Focus on ensuring unparalleled reliability, scalability, and security while enhancing voice quality and observability across our global cloud infrastructure.

Key Responsibilities

  • Architect & Optimize: Design, develop, and maintain high-performance SIP and RTP-based VoIP systems, serving as the subject matter expert on core VoIP protocols.
  • Deep Troubleshooting: Utilize expert-level skills to diagnose and resolve complex routing, codec, and signaling issues using packet captures (Wireshark), logs, and SIP traces.
  • Protocol & Network Tuning: Proactively optimize network performance across critical protocols (SIP, RTP, TCP/IP, DNS, NAT, and firewall rules).
  • Ecosystem Integration: Integrate, support, and ensure seamless interoperability between PBX systems, SBCs, and modern cloud VoIP environments.
  • Quality Assurance: Define, monitor, and aggressively improve call quality metrics (MOS, jitter, latency) through proactive performance tuning.
  • Feature Leadership: Lead the technical architecture and deployment of advanced voice applications, including real-time transcription, AMD/VMD (Answering Machine Detection), and next-generation AI-driven voice features.
  • Escalation Point: Act as the final point of technical escalation for intricate VoIP incidents, effectively coordinating with internal teams and external vendors.

Qualifications

  • 6+ years in software engineering, with a minimum of 4 years dedicated to VoIP/SIP development.
  • Deep, hands-on experience with core VoIP infrastructure components, specifically Freeswitch and Kamailio.
  • Proficiency in scripting and development with Lua and Python. (Experience with Go or C/C++ is a significant plus).
  • Expert-level command of network protocols and advanced debugging tools (Wireshark, SIPp, libpcap, Linux/BSD sockets).
  • Practical experience with WebRTC, configuring and managing TURN/STUN servers, and deploying solutions on major cloud platforms (AWS, Google Cloud, Cloudflare).
  • Understanding of traditional telecom hardware, including GSM, E1 gateways, and serial-connected devices.
  • Proven track record in building highly scalable systems and implementing effective automated testing frameworks.

Desired Skills (Nice-to-Have)

  • Hands-on knowledge of call flow simulation tools and SIP testing frameworks.
  • Experience designing and implementing RESTful APIs and scalable microservices.
  • Familiarity with global network routing principles and optimization techniques.
  • Experience with embedded systems or SIP hardware devices.
  • Background in implementing AI/ML-driven features within VoIP solutions.
Before You Apply
️
remote Be aware of the location restriction for this remote position: Ukraine
β€Ό Beware of scams! When applying for jobs, you should NEVER have to pay anything. Learn more.
Senior VoIP Engineer @Synergy Beam
All Others
Salary unspecified
Remote Location
Employment Type full-time
Posted 5d ago
Apply for this position
Did not apply βœ“
Applied βœ“
Sent Follow-Up βœ“
Interview Scheduled βœ“
Interview Completed βœ“
Offer Accepted βœ“
Offer Declined βœ“
Application Denied βœ“
Unlock 150,000+ Remote Jobs
️
remote Be aware of the location restriction for this remote position: Ukraine
β€Ό Beware of scams! When applying for jobs, you should NEVER have to pay anything. Learn more.
Apply for this position
Did not apply βœ“
Applied βœ“
Sent Follow-Up βœ“
Interview Scheduled βœ“
Interview Completed βœ“
Offer Accepted βœ“
Offer Declined βœ“
Application Denied βœ“
Unlock 150,000+ Remote Jobs
Γ—

Apply to the best remote jobs
before everyone else

Access 150,000+ vetted remote jobs and get daily alerts.

4.9 β˜…β˜…β˜…β˜…β˜… from 500+ reviews
Unlock All Jobs Now

Maybe later