Ishan — Developer Portfolio

✉️

Live SaaS

ColdMailer

A full cold-outreach SaaS — find leads, research them, and generate personalized cold emails people actually reply to, all in one place. Built end to end with authentication, subscription billing, a dual-model AI pipeline, and a one-click Chrome extension.

Lead finder — scrapes and enriches prospect data from the web (Cheerio) so you start from real contacts, not a blank page.
AI generation — drafts emails with Claude and Gemini, tuned for replies over templates everyone ignores.
Email grader — scores a draft and suggests fixes before you hit send.

Chrome extension — generate a tailored email from any LinkedIn profile in one click.
Auth & data — Supabase auth + Postgres with row-level security; per-user email history and research saved per account.
Billing — Stripe subscriptions (from $19/mo), customer portal, and webhook-driven entitlements.

Next.js TypeScript Supabase / Postgres Stripe Claude Gemini Chrome Extension

Live site → GitHub

💪

Live

Calisthenics Workout

A guided bodyweight-training app built from a printed beginner program, with a timer for every set and on-device camera rep-counting.

Three full sessions transcribed from the program — sets, reps and form notes.
Timers everywhere — auto rest timers plus dedicated hold countdowns with a progress ring and beeps.
Camera rep counter using MediaPipe Pose — tracks elbow angle to count pushups locally; no video leaves the device.
Progress log in localStorage with weekly counts and last-done dates.
Screen wake-lock during sessions; mobile-friendly, no backend.

Next.js 15 Tailwind v4 MediaPipe Vercel

GitHub →

📥

Live

Inbox Insights

A Chrome (Manifest V3) extension that reads a shared Gmail or Outlook inbox and surfaces what clients are asking for and complaining about — entirely client-side.

Request vs. complaint classification of every email via keyword/intent signals.
10 themes tagged automatically — billing, bugs, delays, access, cancellation, and more.
"Needs attention" queue flags urgency, escalation and legal language for triage.
Cross-client patterns — themes ranked by how many distinct clients raised them.
Month-over-month trends, most-active clients and top keywords; drill into any theme.

Chrome MV3 JavaScript Gmail / Outlook

GitHub →

🌐

Desktop app

Flux

A minimal, fast desktop browser for power users — a stripped-down Chromium shell with a custom tabbed UI and keyboard-first navigation.

Custom multi-tab interface with its own guided onboarding flow.
"!bangs" — DuckDuckGo-style shortcuts to jump straight into a site's search.
Find-in-page and a distraction-free reader mode.
Built on Electron with isolated webview rendering and preload bridges.

Electron JavaScript HTML / CSS

📡

IoT / Hardware

GeoScan

An ESP32-based erosion and landslide early-warning rig that watches the ground and raises a flag the moment it starts to move.

Dual sensing — an ultrasonic sensor measures ground distance while a soil-moisture probe tracks saturation.
Baseline + threshold — learns a baseline, then warns when erosion crosses a configurable centimetre threshold.
Live LCD readout on a 16×2 I²C display, with serial telemetry to a companion desktop app.
Written in C++/Arduino for the ESP32 (Wire/I²C, timed update loops).

ESP32 C++ / Arduino Sensors

🛡️

Backend

Scam Checker — SeniorShield

A backend that helps protect seniors from online scams by checking suspicious messages against real-world scam reports and an LLM risk assessment.

/analyze endpoint takes a message or link and returns a plain-language risk verdict.
Grounded in reality — mines live scam reports from Reddit to inform the assessment.
LLM reasoning weighs language patterns and explains why something looks fraudulent.
Express API with CORS, ready to back a senior-friendly front end.

Node.js Express OpenAI API Reddit API