Muhammad Abuzar
Software Developer (Next.js & MERN) · SaaS
spj – Collaborative, Comms‑Heavy SaaS (Live Collaboration, Voice, Graphs)
Real‑time collaboration platform with voice, presence, and graph‑based analytics.
Frontend Engineer
Overview
spj is a collaborative SaaS product focused on real‑time communication, voice, and graph‑based data visualizations.
Major features
- • Real‑time collaboration with Liveblocks (presence, cursors, shared state).
- • Telephony/voice integration using Twilio and Google Speech APIs.
- • Graph and network visualizations with libraries like Nivo, Cytoscape, and Force Graph.
My contributions
- • Built collaborative UIs: shared docs, timelines, and boards with presence/avatars.
- • Implemented call and voice‑driven flows integrating Twilio and Google APIs.
- • Created graph visualizations and dashboards around call and user data.
Technologies
Next.js 15React 18TypeScriptTailwindLiveblocksTwilio VoiceGoogle APIsSocket.ioMapboxNivoCytoscapeRechartsClerk / Supabase authStripeOpenAIZod