# JobSniff — AI Job Scam & Ghost Job Detection Technical Specification

> JobSniff is an AI-powered Chrome extension (Manifest V3) designed to protect job seekers from scam postings, ghost jobs, fraudulent recruiter outreach, and deceptive salary claims. It operates directly inside supported job boards—including LinkedIn Jobs, Indeed, Glassdoor, Wellfound, Greenhouse, Lever, and Ashby—without requiring copy-pasting.

## Core Capabilities & Overview
- **Deterministic Risk Checks**: Instant layer-1 validation of employer domain age (WHOIS), free email providers (@gmail/@yahoo), upfront equipment purchase check scams, WhatsApp/Telegram interview redirection, and crypto/gift card pay demands.
- **AI-Powered Scam & Quality Analysis**: Multi-layer LLM scoring for AI-generated text, generic responsibilities, missing interview stages, ghost job language, and deceptive salary spreads.
- **Side Panel Integration**: Native Chrome side-panel UI overlaying active job board pages with zero friction.
- **Privacy-First Architecture**: Analyzes active job posting contents locally; never scrapes private user messages, inbox, personal profiles, or credentials behind authentication.

## 3-Layer Analyzer Architecture

### Layer 1: Deterministic Security Engine (Zero AI Latency)
- **Domain Age Check**: WHOIS lookup against recently registered domains (< 30 days).
- **Email Provider Verification**: Flags free email addresses in official recruiter postings.
- **Scam Keyword Pattern Engine**:
  - Upfront background check payments
  - Equipment purchase reimbursement scams (check deposit fraud)
  - Crypto / Telegram / WhatsApp interview redirection
  - Gift card pay requests

### Layer 2: LLM Quality & Ghost Job Engine
- Evaluates job post text quality, specificity, and AI generation markers.
- Identifies "Ghost Jobs" (job posts kept open indefinitely without active hiring intent).
- Analyzes recruiter reputation and posting consistency across platforms.
- Calculates salary reality scores by comparing posted ranges against market benchmarks.

### Layer 3: Actionable Side Panel Verdict
- **Safety Verdict**: Clear status indicator (Safe / Caution / High Risk Red Flag).
- **Worth Applying Score**: 1 to 10 scale rating role quality, employer legitimacy, and application ROI.
- **Scam Evidence & Recommended Questions**: Bulleted breakdown of detected signals + 3 strategic questions to ask during recruiter screening.

## Supported Platforms
- LinkedIn Jobs (`linkedin.com/jobs/*`)
- Indeed (`indeed.com/viewjob*`)
- Glassdoor (`glassdoor.com/Job/*`)
- Wellfound (`wellfound.com/jobs/*`)
- Greenhouse (`boards.greenhouse.io/*`)
- Lever (`jobs.lever.co/*`)
- Ashby (`jobs.ashbyhq.com/*`)

## Key Technical Specifications & Links
- **Platform**: Chrome Extension (Manifest V3)
- **Tech Stack**: React, TypeScript, Tailwind CSS, Vite, Fastify API, OpenAI/Claude LLM Layer
- **Pricing**: Free Tier (5 analyses/month), Premium ($4.99/mo or $39/yr for unlimited analysis, Ghost Job Detector & Recruiter Credibility Scores).
- **Official Website**: https://jobsniff.ai
- **Chrome Web Store Listing**: https://chromewebstore.google.com/detail/jobsniff
- **Privacy Policy**: https://jobsniff.ai/privacy
- **Terms of Service**: https://jobsniff.ai/terms