Real-time voice AI agents
Live in productionSpeech in, reasoning, speech out, under a second, across India's many languages.
Superfone · 2025 – present
Selected work
Things I've built & shipped
Mostly real-time voice and telephony systems. The details are abstracted, but everything here runs (or ran) in production.
StrawGo: a real-time voice AI framework in Go
Open sourceA Go pipeline that fits an order of magnitude more concurrent calls on one machine than the Python tools it learns from.
square-key-labs · 2025 – present
Cloud telephony platform
Live in productionThe call-control backbone. SIP at the edge, call-flow orchestration, billing, and the APIs that tie business phone numbers together.
Superfone · 2021 – present
The Superfone iOS app
Live on the App StoreEmpty Xcode project to a live App Store release in under three weeks: CallKit, offline-first, real SIP/PSTN calling.
Superfone · 2026
Capstrix: a voice-data marketplace
LiveA product I'm building solo: a marketplace for consented, native-speaker code-switched speech (Hinglish, Tanglish, Banglish) that voice-AI teams can't get anywhere else. Mobile capture app, edge API, admin console, and an automated audio-QA pipeline.
Capstrix · 2026 – present
The Superfone Android app
Shipped to the Play StoreThe original Superfone dialer: a business soft-phone that rings real SIP calls, built in Kotlin on the Linphone stack and maintained across thousands of commits since 2021.
Superfone · 2021 – present
VoIP infrastructure foundation
In productionStanding up the telephony backbone (Asterisk for media, Kamailio as the SIP edge, RTPEngine for media relay) from first deployment to a multi-datacenter, multi-carrier setup.
Superfone · 2021 – 2024
SoftFlow: a React Native softphone
R&DA from-scratch VoIP softphone built in React Native: real SIP calling over WebRTC, with native call UI on the lock screen, hold/mute/audio-routing, and the background plumbing that keeps a call alive.
2025
Browser-based web dialer
BuiltA SIP soft-phone that runs in the browser, so you can take and make business calls from a web dashboard, no app install required. The third call surface alongside Android and iOS.
Superfone · 2026
WebRTC & real-time comms R&D
Open source / R&DA side track exploring WebRTC media servers and cross-platform SIP, open-sourced as a Janus gateway wrapper and a reusable Linphone module for React Native.
2024 – 2025
E-commerce catalog & inventory backend
Shipped to productionContract work. A backend that ingests a 1GB+ book distributor catalog over SFTP, parses daily deltas, and keeps a storefront's inventory in sync.
2026
Open source
Open sourceDeveloper tools I've published: a Claude Max proxy on npm, a collection of agent skills, and native modules pulled out of real VoIP work.
2023 – present