Senior Node.js Developer (Telephony Expertise)

😊 About us
 

ZentixSoft is a young British-Ukrainian full-cycle IT company. We are all about cool solutions and constant growth, and our main principle is People over processes. We are currently looking for a proactive Senior Node.js Developer with deep expertise in Telephony to join our team and build high-load communication systems.
 

📝 About the project & conditions

This is a long-term project focused on developing and scaling a robust telephony service. You will have a high degree of technical autonomy to build dialer systems and manage multi-region infrastructure.
 

• Format: Full-time,Outstaff
• Start date: ASAP.
• Duration: Long-term.
   

😉 What we expect from you

• 🔌 VoIP APIs: Strong experience with Telnyx, Twilio, etc., and building dialer systems.
• 📡 Protocols: Deep understanding of SIP protocol, SIP trunks, and WebRTC.
• 🛠 Telephony Tools: Hands-on experience with FreeSWITCH or Asterisk.
• 🗺 Architecture: Experience working with multi-region telephony systems.
• 💎 Stack: 4+ years with Node.js/TypeScript, Docker, and CI/CD.
• 🌍 English: Upper-Intermediate level for effective collaboration.
   

🌟 Would be a big plus

• 🛠️ Telecom Tools: Experience with FreeSWITCH or Asterisk.
• 🗺️ Global Scaling: Experience working with multi-region telephony systems and handling latency/routing issues.
• 🤖 Modern Workflow: Use of AI productivity tools (Cursor, ChatGPT, or Copilot) to speed up development.
   

✨ What awaits you at ZentixSoft

• 📈 Professional Growth. We create an individual development plan for your career path.
• 💵 Salary Review. A structured policy to ensure your compensation grows with your skills.
• 🎓 Knowledge Sharing. Access to general training, workshops, and internal sessions.
• 🤝 Corporate Culture. Full access to our culture and team activities.
• 🗣️ English. We fully cover classes with a teacher.
• ⚖️ Work-Life Balance. We work without overtime and respect your personal time.
• 💻 Tools. We cover the cost of all tools needed for work.
• 🦾 Trust. Zero micromanagement — only freedom in making technical decisions.
   

📩 If you feel like this is about you — send your CV, and if it's a match, we will get in touch soon!