# Zeeshan Khan — Senior Software Developer & IoT Systems Engineer
> 10+ Years of Professional Engineering in C# .NET, Industrial IoT, Machine Vision & Automation

## Profile Summary
- **Full Name:** Zeeshan Khan
- **Primary Title:** Senior Software Developer & Systems Engineer
- **Experience:** 10+ Years (Active Since 2014)
- **Base Location:** Indore, Madhya Pradesh, India (Available Worldwide)
- **Email:** contact@iamzeeshan.in
- **Website:** https://iamzeeshan.in/
- **Upwork Verified:** https://www.upwork.com/freelancers/~01b3203c3150d7e6c9 (Top Rated Freelancer)

## Core Engineering Domains & Specializations

### 1. High-Performance .NET & Desktop Applications
- **Stack:** C# .NET 8 / .NET Framework, WPF, WinForms, MVVM, Clean Architecture, Entity Framework.
- **Competencies:** Multithreaded asynchronous processing, memory optimization, low-latency UI responsiveness, real-time serial (RS-232/USB) and socket communications.

### 2. AI Machine Vision & Optical Defect Inspection
- **Stack:** Industrial Cameras (Basler GigE, USB3 Vision), Deep Learning AI Defect Detection Models, Real-Time Image Analysis.
- **Competencies:** Sub-second surface defect detection (scratches, contaminants, dimensional deviations), automated pass/fail verification, machine conveyor interlocks, quality reporting.

### 3. Industrial IoT & Hardware-Software Interfacing
- **Protocols:** Modbus RTU, Modbus TCP, OPC UA, MQTT, Serial COM, Ethernet/IP.
- **Hardware:** PLCs, HMIs, Microcontroller Gateways (ESP32, STM32), Pressure Sensors, Pneumatic Test Rigs, Touchscreen Kiosks.
- **Industrial Systems:** Poka-Yoke error-proofing systems, SCADA bridges, distributed telemetry networks.

### 4. Full-Stack Web Telemetry & Database Architecture
- **Stack:** ASP.NET Core, RESTful APIs, Microsoft SQL Server (T-SQL), SQLite, Real-Time WebSockets, Responsive Frontend Dashboards.
- **Competencies:** High-throughput telemetry ingestion, historical analytics, role-based access control.

## Key Projects & Systems

1. **Vision-Based Quality Inspection System:** Automated optical inspection using industrial cameras and AI defect detection models for zero-escape manufacturing QA.
2. **Industrial Leak-Test Diagnostics System:** Desktop WPF software capturing high-precision pressure decay telemetry with live graphical curves and audit-ready user permission hierarchies.
3. **Poka-Yoke Automated Error-Proofing:** Assembly station interlock system combining proximity sensors, barcode scanners, and PLC logic for deterministic sequence validation.
4. **IoT Multi-Node Environmental Telemetry:** Distributed sensor platform transmitting real-time environmental metrics via MQTT with automated threshold breach alerts.
5. **Smart Touchscreen Kiosk System:** Unattended kiosk application integrating thermal printers, barcode scanners, and auto-recovering watchdog services.
6. **Connected Smart City Telemetry Bridge:** Multi-protocol sensor aggregation platform consolidating municipal sensor streams into unified SCADA dashboards.

## Live Interactive Demonstrations Available On Site
Visitors can test-drive two live industrial simulations directly at https://iamzeeshan.in/#lab:
- **Simulator 1: AI Vision Quality Inspection Console** (Real-time camera feed analysis, component swapping, defect injection, laser scanline animation, pass/fail interlock).
- **Simulator 2: IoT Modbus PLC & Pressure Decay Leak-Test Rig** (60 FPS animated pressure curve canvas, Modbus/OPC UA/MQTT socket packet inspector, tiered security roles).

## Detailed Technical Specification & Architecture
For exhaustive architectural case studies, hardware interface schemas, protocol frame structures, and system benchmark records, refer to:
- [Full LLM Specification & Case Studies](https://iamzeeshan.in/llms-full.txt)

## Business Verification & Legal
- **About Profile:** https://iamzeeshan.in/about.html
- **Direct Contact Channel:** https://iamzeeshan.in/contact.html (contact@iamzeeshan.in)
- **Terms of Service & Engagement:** https://iamzeeshan.in/terms.html
- **Privacy Policy:** https://iamzeeshan.in/privacy.html

## Direct Inquiries & Contact
- **Email:** contact@iamzeeshan.in
- **Work Modes:** Full-time enterprise contracting, system integration consulting, and industrial automation project delivery.