Remote VoIP Developer / Engineer

We are seeking a highly skilled and experienced Remote VoIP Developer / Engineer to design, develop, configure, maintain, and optimize our Voice over Internet Protocol (VoIP) infrastructure and communication systems. The ideal candidate must have strong hands-on experience with VoIP technologies, including SIP, RTP, WebRTC, and H.323, as well as PBX platforms such as Asterisk, FreePBX, Kamailio, and OpenSIPS. This role involves configuring SIP trunks, IVR systems, extensions, gateways, and call-routing workflows, as well as developing and maintaining cloud-based VoIP solutions using platforms such as Twilio, Plivo, and Amazon Connect. The successful candidate will also be responsible for integrating VoIP systems with CRM platforms and other business applications, developing APIs and automation scripts, troubleshooting network and call-quality issues, and implementing security measures to protect communication infrastructure. Experience with Linux environments, databases, VoIP billing systems, and AI-driven communication technologies will be highly valued. We are looking for a technically strong, resourceful, and self-motivated professional who can independently manage projects, troubleshoot complex issues, and develop reliable and scalable communication solutions. Key Responsibilities 1. VoIP Development & Infrastructure Management Design, develop, configure, and maintain VoIP systems using Asterisk, FreePBX, Kamailio, OpenSIPS, or similar platforms. Configure and optimize SIP trunks, extensions, gateways, IVR systems, and call-routing workflows. Implement and troubleshoot VoIP protocols and technologies, including SIP, RTP, WebRTC, and H.323. Develop and maintain cloud-based VoIP solutions using Twilio, Plivo, Amazon Connect, or similar platforms. Perform system upgrades, testing, and maintenance to ensure infrastructure stability, security, and scalability. 2. Network Troubleshooting & Performance Optimization Diagnose and resolve network and call-quality issues involving latency, jitter, packet loss, firewalls, NAT traversal, and Quality of Service (QoS). Monitor system performance, analyze logs, and identify potential infrastructure issues. Implement improvements to ensure reliable connectivity and high call quality. Troubleshoot connectivity and interoperability issues across different telephony platforms. 3. Integrations & Automation Integrate VoIP systems with CRM platforms, ticketing systems, and other business applications. Develop and maintain APIs, automation scripts, and custom applications for VoIP integrations. Configure automated call-handling processes and intelligent call-routing workflows. Support integrations with platforms such as Salesforce, Zingtree, and custom business solutions. 4. Security, Billing & AI Communication Solutions Implement security measures to protect VoIP infrastructure 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. Monitor system activity and identify potential security vulnerabilities. 5. Documentation & Continuous Improvement Maintain technical documentation for infrastructure, configurations, integrations, and procedures. Research emerging VoIP technologies and recommend improvements. Identify opportunities to improve system performance, reliability, and operational efficiency. Perform other related duties as assigned. Qualifications & Requirements Technical Requirements Proven professional experience as a VoIP Developer, VoIP Engineer, or similar position. Hands-on VoIP experience is mandatory. Strong understanding of VoIP protocols, including SIP, RTP, WebRTC, and H.323. Experience with PBX platforms such as Asterisk, FreePBX, Kamailio, and OpenSIPS. Experience configuring SIP trunks, extensions, gateways, IVR systems, and call-routing workflows. Familiarity with cloud-based VoIP platforms such as Twilio, Plivo, or Amazon Connect. Strong knowledge of network troubleshooting, firewalls, NAT traversal, latency, jitter, packet loss, and QoS. Experience integrating VoIP systems with CRM platforms and other business applications. Programming experience in Python, PHP, JavaScript, or C is a plus. Familiarity with Linux-based environments and database management systems such as MySQL and PostgreSQL. Experience with VoIP billing systems, call records, and usage tracking. Familiarity with AI-driven call routing, speech analytics, and automated communication solutions. Relevant certifications, such as CCNA Voice, FreePBX Certified Administrator, or equivalent, are preferred. Professional Requirements Proficient English communication skills, both written and spoken. Strong interpersonal and communication skills when working with clients, vendors, and teammates. Excellent analytical, troubleshooting, and problem-solving abilities. Strong attention to detail and organizational skills. Ability to manage multiple tasks and projects in a fast-paced environment. Resourceful, adaptable, reliable, confident, and self-motivated. Ability to work independently and follow established processes with minimal supervision. Willingness to learn new technologies and adapt to evolving business needs. Proficiency in standard business tools, including Microsoft Office, email, spreadsheets, and document management platforms. Work & Equipment Requirements Ability to work full-time, 40 hours per week, following U.S. Eastern Time (New York) business hours. Reliable Windows 10 or newer computer. Two monitors. High-speed internet connection (minimum 40 Mbps). Reliable backup power source, such as a UPS, inverter, power bank, or generator, to maintain connectivity during power outages. Professional home workstation suitable for uninterrupted remote work. Willingness to undergo a background check. Interest in a long-term professional opportunity. Compensation & Benefits 100% remote work. Compensation paid in USD. Full-time position with 40 hours per week. Long-term career opportunity. Supportive work environment with opportunities for professional growth. Important: This is a long-term opportunity. We are looking for a dedicated professional interested in building a lasting working relationship and taking ownership of VoIP infrastructure and development projects. To Apply Please submit your updated resume highlighting your VoIP experience, relevant technical skills, and previous projects. Candidates are encouraged to provide examples of VoIP implementations, PBX configurations, SIP integrations, or other relevant technical projects.