Muhammad Sajid Lakha
Full-Stack Dev · Next.js, Python, AI · 15yrs experience
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Engineered an enterprise-grade multi-tenant B2B SaaS platform and React Native mobile application built specifically for luxury bespoke tailors and Savile Row ateliers.
Key Features Delivered:
Multi-Tenant Architecture: Database-per-tenant isolation (saas_tenantname) with custom domain mapping.
Master Cutter Workflows: Role permissions for Master Cutters, Junior Cutters, and Bench Tailors with pattern approval transitions.
Interactive Posture Canvas: HTML5 canvas tool enabling cutters to draw anatomical posture anomalies on client silhouettes with version control.
Paper Pattern Room Archive: Physical pattern storage tracking for rack/bay/shelf locations across 8 garment types.
Cross-Platform Mobile App: Included React Native (Expo) mobile apps for iOS and Android.
Security & Automation: 100% prepared statements, CSRF protection, and automated Playwright E2E verification suite.
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QuickLeads Pro is a high-performance, native Windows B2B lead generation, website deep-crawling, and automated email outreach desktop application built with Python and CustomTkinter (WinUI 11 dark cyberpunk layout).
It parses local business directories, deep-crawls company websites using multi-threaded regex parsers, verifies business emails, extracts decision-maker phone numbers & addresses, and executes automated cold email outreach campaigns with ZERO third-party monthly API costs.
🔥 Core Features & Engine Capabilities:
• Multi-Threaded Business Directory Scraper (scraper.py (http://scraper.py)): Scrapes company names, phone numbers, physical addresses, website links, and social media handles.
• Deep Website Email & Phone Extractor: Crawls internal /contact, /about, and /team pages to parse hidden decision-maker emails using regex pattern matchers.
• Embedded SQLite Leads Database (leads_db.py (http://db.py)): Persistent local database (leads_campaign.db) supporting 2,000+ lead records, filtering, and status tracking.
• Automated Cold Email Outreach Engine (email_engine.py (http://engine.py)): Built-in SMTP email dispatcher with personalized HTML email templates, merge tags ({company_name}, {contact_person}), rate limiting, and follow-up campaign automation.
• Data Exporter Engine (exporter.py (http://exporter.py)): 1-Click export to CSV, XLSX Excel workbooks, PDF summary reports, and JSON webhooks.
• Executable Compilation (PyInstaller): Compiles into a single double-clickable, zero-dependency QuickLeads_Pro.exe standalone application.
🛠️ Technical Architecture & Stack:
UI Framework: CustomTkinter (WinUI 11 dark cyberpunk aesthetic, Custom HSL gold/cyan themes)
Core Language: Python 3.11 (Multi-threading, BeautifulSoup4, Requests, Regex)
Database: SQLite3 with relational tables (leads, campaigns, email_logs)
Packaging: PyInstaller with standalone hooks & custom icon assets
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Designed and developed an autonomous AI Voice Agent system for automated inbound customer support, appointment scheduling, and outbound sales calls.
🔥 Key Capabilities & Technical Features:
Real-Time Ultra-Low Latency Speech Synthesis & Voice Recognition.
AI Conversation Flow Engine with Dynamic Script Context & FAQs.
Automated Calendar Booking Integration (Google Calendar / Calendly).
Live Call Analytics Dashboard, Sentiment Analysis, and Call Transcripts.
Multi-Channel CRM Sync & Automated Follow-Up Dispatches.
🛠️ Tech Stack:
Python, WebSockets, OpenAI / Anthropic APIs, ElevenLabs Speech AI, FastAPI, React, Node.js.
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AI Voice Agent Pro — Autonomous 24/7 B2B AI Voice Telephony & Appointment Booking SaaS platform built with Python FastAPI, SQLite CRM, PBKDF2 Password Hashing, Twilio TwiML, OpenAI, and WebSockets. Features 5 interactive dashboard views (Agent Studio, Live Call Simulator, Lead CRM, Telephony Settings, Dashboard), intent classification, automated SMS confirmations, and 100% verified unit test pass rate (6/6).
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