VoIP Developer – Engineer
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Job Description
Remote VoIP engineer designing, integrating, and securing business telephony systems. Managing SIP infrastructure, cloud communications, call quality, APIs, and AI-driven call routing.
Responsibilities:
- Design, develop, configure, maintain, and optimize VoIP systems and infrastructure
- Configure and optimize SIP trunks, extensions, gateways, IVR systems, and call-routing workflows
- Implement and troubleshoot SIP, RTP, WebRTC, and H.323 protocols and technologies
- Develop and maintain cloud-based VoIP solutions using Twilio, Plivo, Amazon Connect, or similar platforms
- Diagnose and resolve latency, jitter, packet loss, firewall, NAT traversal, and QoS issues
- Monitor system performance, analyze logs, and improve call quality and reliability
- Integrate VoIP systems with CRM platforms, ticketing systems, and other business applications
- Develop and maintain APIs, automation scripts, and custom VoIP integration applications
- Implement security measures against unauthorized access, fraud, and cyber threats
- Manage VoIP billing systems, call records, and usage tracking
- Support AI-driven communication solutions, including intelligent call routing, speech analytics, and automated call handling
- Perform system testing, upgrades, and maintenance for security, stability, and scalability
- Maintain technical documentation and stay current with emerging VoIP technologies
- Perform other related duties as assigned
Requirements:
- Proficient level of English (written and spoken)
- Proven experience as a VoIP Developer or Engineer; VoIP experience is a must
- Proficiency in SIP, RTP, WebRTC, Asterisk, FreePBX, Kamailio, OpenSIPS, or similar technologies
- Strong understanding of VoIP protocols, including SIP, H.323, and RTP
- Experience with cloud-based VoIP solutions such as Twilio, Plivo, or Amazon Connect
- Knowledge of network troubleshooting, including firewalls, NAT traversal, and QoS
- Programming experience in Python, PHP, JavaScript, or C is a plus
- Experience integrating VoIP with CRM systems such as Salesforce, Zingtree, or custom solutions
- Familiarity with Linux-based systems and database management using MySQL or PostgreSQL
- Experience with VoIP billing systems
- Familiarity with AI-driven call routing and speech analytics
- Certifications such as CCNA Voice, FreePBX Certified Administrator, or similar
- Strong problem-solving, interpersonal, communication, organizational, multitasking, and attention-to-detail skills
- Ability to work independently, adapt to evolving technologies, and work in a fast-paced environment
- Proficiency in Microsoft Office, including Word, Excel, and Outlook
- Familiarity with standard business tools such as email, spreadsheets, and document management
- Ability to quickly learn new systems, software, and workflows
- Ability to follow established processes accurately with minimal supervision
- Ability to work U.S. EST (New York) business hours and adapt to business needs
- Interested in long-term career opportunities
- Able to undergo a background check
- Reliable Windows 10+ computer, two monitors, and high-speed internet
- Reliable backup power source for uninterrupted work during outages
- Professional home workstation capable of supporting uninterrupted remote work
Benefits:
- 100% remote work
- Great work environment with potential for growth
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