I'm a full-stack developer focused on building practical software, scalable backend systems, real-time platforms, and VoIP/telecom infrastructure.

I work across backend, frontend, DevOps, Linux, and telecom systems. My main interests are SIP, RTP, high-concurrency services, distributed systems, performance engineering, and open-source contribution.

• 🔭 Currently working on VoIP monitoring, SIP infrastructure, backend platforms, and internal business tools
• 🌱 Learning deeper system design, Linux, security, and performance engineering
• 🧪 Interested in SIPp, OpenSIPS, RTPengine, Kafka, high concurrency, and telecom testing
• 💬 Ask me about React, Node.js, PHP, Laravel, Go, Docker, SIP, OpenSIPS, and VoIP systems
• 📫 Reach me at darwvindev@gmail.com

I contribute to SIPp, a widely used open-source SIP traffic generator for testing VoIP systems.

My contribution focus includes:

• Improving the SIPp startup wizard experience
• Refining generated command previews
• Testing builds with and without optional PCAP support
• Working with CMake and CTest verification
• Improving usability around SIP traffic generation workflows

• Fix/pr 868 startup wizard comments — closed
• feat: add configurable Call-ID generators — merged
• feat: add interactive startup wizard — open
• feat: add startup wizard and configurable Call-ID generators — closed

• fix: simplify startup wizard command quoting — merged
• Fix/pr 868 startup wizard comments — closed
• DataSourcePicker: mark filtered current source invalid — open
• feat(promql): add option to preserve parser comments — open
• fix(account): respect kc_locale parameter — open

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I work on SIP servers, RTP handling, charging flows, call monitoring, telecom dashboards, and high-concurrency VoIP infrastructure.

Building practical software, scalable systems, and reliable telecom tools.