Summary
Simon Ditner is a Staff Software Engineer with 14 years of experience, currently shaping backend and realtime systems at Instacart while running his own consulting practice focused on voice, video, messaging, and p2p networking. He blends software architecture, development, and operations to deliver resilient, low-latency communication platforms and has a track record advising teams on productionizing realtime features. Based in San Francisco with roots in Canada, he pairs enterprise-scale engineering at a high-growth startup with hands-on consulting for specialized realtime workloads. An organizer of the Toronto Asterisk Users Group since 2005, he brings deep VoIP community ties and practical telephony expertise that inform his architectural decisions. Colleagues rely on him to translate complex networking and multimedia requirements into pragmatic, deployable solutions that balance performance, observability, and maintainability.
14 years of coding experience
English