DEn Musa

whatsapp Api Integration

technologia hub • Freelance

Feb 2026 - Present • 3 mos

Design, develop, and maintain RESTful API integrations Integrate third-party platforms like WATI and Twilio Implement authentication methods (OAuth, API keys, JWT) Develop webhooks for real-time data exchange Handle data mapping, validation, and error handling Monitor API performance and troubleshoot integration issues Ensure security, encryption, and compliance standards Maintain technical documentation and provide support

PBX developer

technologia hub • Full-time

Jan 2022 - Present • 4 yrs 4 mos

Core Responsibilities Design, develop, and maintain IP-PBX systems (on-premise & cloud-based) Configure and manage VoIP servers (SIP, RTP, TCP/IP) Set up and maintain SIP trunks, DID numbers, IVR, call routing & dial plans Develop and customize features like auto dialers, call recording, call queues, conferencing Integrate PBX systems with CRM, APIs, and third-party platforms Troubleshoot call quality issues (latency, jitter, packet loss) Monitor server performance and ensure high availability Implement security measures (firewalls, anti-fraud, encryption, SBC) Technical Skills Strong knowledge of SIP protocol & VoIP architecture Experience with platforms like Asterisk, FreePBX, or other IP-PBX systems API integration experience (REST, webhooks) Database management (MySQL/PostgreSQL) Linux server administration Understanding of networking (NAT, VLAN, QoS) Additional Duties Provide technical support and documentation Optimize system performance and scalability Ensure compliance with telecom regulations