About

Welcome to the Sarj engineering blog. We write about the technical challenges and solutions behind building a modern cloud-native VoIP and telephony platform.

Sarj is a B2B SaaS platform providing programmable voice, SIP trunking, and real-time communications infrastructure. Our engineering team works across the full stack — from low-level SIP protocol handling and RTP media processing to distributed systems, observability, and infrastructure automation.

What we write about

• Platform architecture and system design
• VoIP and telephony engineering (SIP, RTP, SRTP)
• Observability, monitoring, and incident response
• Infrastructure as code and cloud-native deployment
• Performance optimization and reliability engineering

Visit sarj.ai to learn more about our platform.