Tartendu Kumar AI Systems Engineer
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Index / Sheet 01 — Work

SHEET 01 9 systems on file

Production systems,
built end to end.

Voice agents, LLM pipelines, mobile apps, and on-premise AI — designed, built, and shipped solo. Every entry below is real and running.

P01 MOBILE
No capture
Wearables

AOLOA Saarthi — Smart Glasses for Blind Users

Bluetooth smart glasses that let blind and low-vision users ask what is in front of them and get a spoken answer. The hardware shipped with …

KotlinJetpack ComposeBluetooth LEFastAPI
Open spec AOLOA
P02 WEB
BuiltBy — Developer Social Platform
Voice AI

BuiltBy — Developer Social Platform

A social platform for developers where the post is the product. Instead of a screenshot or a recorded demo, builders upload a bundle or impo…

Next.js 15React 19TypeScriptTailwind CSS
Open spec Self-initiated product
P03 WEB
No capture
On-Premise AI

Local Voice AI on CPU

A hands-free voice assistant whose speech stack runs entirely on a CPU — no cloud speech service, no GPU required. Microphone, voice detecti…

FastAPIONNX RuntimeWebSocketPyTorch
Open spec Independent
P04 WEB
No capture
Applied AI

Realtime Talking Avatar

A photoreal talking head that holds a spoken conversation — voice in, lip-synced video out, generated live on a GPU rather than pre-rendered…

PyTorchCUDAFlaskWebSocket
Open spec Zencia.ai
P05 WEB
No capture
Platform

MedTalks — Medical English Platform

An English-language training platform for doctors, nurses, pharmacists and dentists, built around AI voice agents that let students practise…

FlaskFirestoreLiveKitSocketIO
Open spec MedTalks
P06 MOBILE
No capture
Mobile App

MyPhoneAI — AI Call Receptionist

An Android app that gives you a second number answered by an AI receptionist. It picks up when you cannot, holds a conversation, takes remin…

FlutterDartFirebaseRazorpay
Open spec Zencia.ai
P07 WEB
Dynamic QR Code Manager
SaaS

Dynamic QR Code Manager

Dynamic QR codes whose destination can be changed after they are printed, with every scan logged and analysed. Built out into a full multi-t…

FlaskFirestoreChart.jsPython
Open spec Zencia.ai
P08 WEB
AI Voice Agent with Memory
Voice AI

AI Voice Agent with Memory

A production voice agent that answers and places real phone calls in 90+ languages, remembers who it is talking to, and acts on what it hear…

FastAPIasyncioWebSocketTwilio
Open spec Zencia.ai
P09 WEB
No capture
Platform

TaskFlow — Internal Operations Platform

One platform covering the operational work a small company actually runs on — Kanban projects, attendance with face verification, leave, pet…

FlaskFirestoreAPSchedulerPython
Open spec Internal

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