Ishit Raj
Full-Stack & IoT Systems Engineer
I build production web systems, IoT firmware with ESP32, and open-source tools that others can use. Based in India — available for remote freelance.
stack
- React / Next.jsProduction
- Node.js / ExpressProduction
- MongoDBProduction
- TypeScriptProduction
- IoT / ESP32Production
- React NativeStable
- System DesignStable
- AI / RAGActive
- Figma / UIActive
- RustLearning
package
An Expo config plugin that copies adi-registration.properties into the native Android assets directory for Google Play Console package ownership verification.
repos
github →- fence
A zero-dependency Rust policy engine for controlling filesystem, process, and network access with allow, ask, and deny rules.
● RustAug 2026 - Passtrace
ESP32 + SGP4 satellite tracker with a Python controller and a manual-rotation workaround for 180° servo limits
● PythonJul 2026 - expo-adi-registration★ 5
Expo config plugin to register Android package ownership on Google Play Console
● JavaScriptMay 2026 - Sensiq
A small desktop companion built on the ESP8266. It displays animated faces on a 0.96" OLED and reacts to motion and gestures using an accelerometer and gesture sensor. A behavioral logic engine changes its expressions based on how you interact with it or whether you ignore it.
● C++May 2026 - FileBeam
Dead-simple local network file sharing. Drop files in a browser, download them on any device connected to the same WiFi. No accounts, no cloud, no dependencies.
● JavaScriptApr 2026
work
all work →- ai
Synapse
Personal memory layer with AI-powered retrieval and reflections
TypeScriptRAGEmbeddingsExpressNext.js - client
Click-to-Conversions
Full-funnel conversion platform built on MERN stack
MongoDBExpressReactNode.js - iot
Environmental Monitor
ESP8266 C++ firmware for 1-minute sensor reads and 15-minute cloud uploads.
IoTESP32Next.jsMongoDB - client
Real Estate Platform
Property listing and management platform with SSR
Next.jsMongoDBSSR - client
Digital Wallet
Secure digital wallet with transaction history and balance management
ReactNode.jsExpress
writing
all posts →- I Wanted a Pause Built Into My Code, Not Just Permission2026-09-02 · 19 min
- A satellite tracker that asks for help2026-07-09 · 7 min
- What My First 75 LeetCode Problems Taught Me2026-06-01 · 6 min
- How I built a WiFi file transfer tool with pure Node.js2026-04-22 · 5 min
- How I solved Google Play's Android asset verification for Expo apps2025-04-16 · 5 min
Building something? dev@ishitraj.in
get in touch →