Open for Freelance Projects & Enterprise Contracts

Hi, I'm M Shams ul Haq

I engineer |

Versatile Senior Software Engineer specializing in Autonomous AI Agents & Multi-Channel Automations (WhatsApp, Telegram, n8n), .NET Desktop (WPF/WinForms), ASP.NET Core Web APIs, Node.js, React.js, SQL / MySQL / SQLite, and custom WordPress ecosystems. Engineering self-hosted 24/7 AI workflows, custom-trained LLMs, robust desktop systems, and enterprise cloud solutions.

Explore Works GitHub LinkedIn

Years Software Dev

Core Tech Stacks

Projects & Repos

Client Satisfaction

.NET Desktop C# & WPF Systems

5.0 Rated Pro Upwork • Fiverr • Kwork

WordPress & PHP Custom Plugin Engineering

React & Node.js Full-Stack SaaS Tools

SPECIALIZATIONS

What I Build For You

Deep expertise across modern desktop, web, backend, and CMS architectures

.NET Desktop Applications

Robust Windows Desktop software (WPF, WinForms, C#) designed for enterprise offline/online operations, point-of-sale (POS), pharmacy inventory, payroll, and high-security desktop utilities.

C# WPF / WinForms Desktop ERP POS Systems

ASP.NET Core Web APIs

Enterprise-grade RESTful APIs, microservices, and web backends using modern .NET. Equipped with JWT authentication, Entity Framework, Repository Pattern, and rock-solid scalability.

ASP.NET Core Web API Entity Framework Microservices

React.js & Modern Web Apps

High-performance, interactive frontends crafted with React.js, Vite, and HTML5 Canvas. Specializing in fast SaaS web tools, dynamic UI animations, and clean responsive design.

React.js Vite Canvas API Tailwind CSS

Node.js Backend & APIs

Event-driven server applications and lightweight microservices. Building real-time tools, file processing pipelines, background workers, and seamless third-party API integrations.

Node.js Express RESTful WebSockets

PHP Architecture & Systems

Clean object-oriented PHP for business management software, complaint tracking systems, ticketing portals, and secure database-driven web platforms with custom MVC logic.

PHP (OOP) MVC Secure Auth Portals

SQL, MySQL & SQLite Database Architecture

Comprehensive relational database engineering across SQL Server, MySQL, and lightweight embedded SQLite. Designing normalized schemas, ACID transactions, stored procedures, and offline local desktop database synchronization.

SQL MySQL SQLite SQL Server Stored Procs Offline DB

High-Demand AI Specialization

Autonomous AI Agents, WhatsApp & Telegram Bots & n8n Automation

Engineering enterprise-grade autonomous AI agents and conversational multi-channel bots for WhatsApp & Telegram. Expert in custom knowledge-base training (RAG & system prompting) on company documents, self-hosted n8n workflow automation pipelines, connecting OpenAI, Claude, and local open-source LLMs (Ollama / OpenWebUI), and deploying on self-hosted VPS/Docker servers with secure webhooks for 24/7 continuous autonomous execution.

WhatsApp & Telegram Bots n8n Workflow Automation Custom Agent Training & RAG OpenAI, Claude & Ollama Self-Hosted VPS Hosting Docker & Webhook Routers 24/7 Autonomous Python & Node.js

WordPress Engineering & Custom Plugin Development

Winner in WordSprint Hackathon! Custom plugin development from scratch, Elementor widget creation, maintenance mode portals, XML sitemap generators, hook customization, theme bug fixes, and security hardening.

Custom Plugins WP Hooks & Filters Elementor Sitemap XML Speed Optimization

TECHNICAL ARSENAL

Skills & Technologies

Click to filter by domain

WhatsApp AI Auto-Agents

24/7 Intelligent Customer Bots & Auto-Responders

Telegram Autonomous Bots

Telegram Bot API, Channel & Group AI Assistants

n8n Workflow Automation

Self-Hosted Pipelines, Multi-App Sync & Webhooks

Custom Agent Training & RAG

Knowledge-Base Grounding, Embeddings & Prompts

OpenAI, Claude & Ollama Models

GPT-4o, Claude 3.5, OpenWebUI & Local LLMs

Self-Hosted Agent Deployment

VPS, Docker Containers & 24/7 Daemon Runners

.NET Desktop (WPF/WinForms)

Enterprise Windows Systems

C# Programming

Object Oriented Architecture

ASP.NET Core Web API

Scalable REST Endpoints

React.js

Modern Single Page Apps

JavaScript (ES6+)

DOM & Interactive Logic

HTML5 Canvas API

Graphic & Image Processing

Tailwind CSS & CSS3

Smooth Animations & Responsive

Node.js & Express

High Speed Server Endpoints

PHP (Core & OOP)

Business Systems & Portals

SQL (ANSI & T-SQL)

Complex Queries, Stored Procs & Triggers

MySQL

Relational Modeling & Query Tuning

SQLite

Embedded Offline DB for .NET Desktop & Apps

Microsoft SQL Server

Enterprise Relational DB & Indexing

WordPress Plugin Development

Custom Architecture & Hooks

Elementor Custom Widgets

Custom Layouts & Dynamic Data

PORTFOLIO SPOTLIGHT

Featured Works & Apps

Real-world production tools, desktop systems, and business platforms

AI Automation & Agents

Live AI Architecture

Autonomous WhatsApp & Telegram AI Suite with n8n Automation

Enterprise conversational AI agent architecture connecting WhatsApp Business API, Telegram Bots, and self-hosted n8n workflow engines. Trained on bespoke company documents via RAG (Retrieval-Augmented Generation) and custom prompt engineering using OpenAI GPT-4o, Claude 3.5, and local Ollama models. Delivers 24/7 intelligent customer triage, automated CRM lead capture, and multi-step tasks deployed on self-hosted Docker VPS infrastructure.

WhatsApp API Telegram Bots n8n Automation Custom RAG OpenAI / Claude Ollama / Local LLMs Self-Hosted VPS Docker

24/7 Autonomous Architecture

WhatsApp & Telegram Inbound

Real-time multi-channel webhooks & sessions

Self-Hosted n8n Orchestrator

Event routing, CRM sync, database triggers

Trained Custom AI Agent (RAG Brain)

Claude, OpenAI or Ollama + vector knowledge

Self-Hosted VPS Cloud Hosting

Docker containerized, 24/7 persistent runner

SaaS Web Tools

Live Production

ToolsCopilot

High-utility digital platform hosting a comprehensive suite of online tools, formatters, calculators, and automated web helpers engineered for speed and SEO.

React.js Node.js REST API Vite

Interactive Canvas

Live SaaS Platform

TextBehindPic

Innovative browser tool empowering creators to render 3D typography seamlessly behind image subjects with real-time canvas layering, depth adjustment, and exports.

HTML5 Canvas React.js Layering Tech Tailwind

C# / .NET Desktop

Desktop & Enterprise

Pharma POS & Inventory ERP

Enterprise pharmacy solution featuring medicine inventory tracking, batch expiration alerts, barcode billing, supplier ledger, and sales analytics.

.NET Desktop C# SQL Server POS

Desktop & Web

Enterprise Software

Corporate Payroll Engine

Automated corporate payroll processing platform handling salary tiers, attendance sync, allowances, tax deductions, and printable payslip exports.

C# / .NET ASP.NET Database Architecture

Web Portal

Internal System

Complaint & Staff Portal

Role-based ticketing and administrative workflow system with departmental ticket forwarding, priority triage, timeline audits, and resolution tracking.

PHP MySQL RBAC CRUD

WP Engineering

Hackathon Award

WordPress Sitemap & Maintenance Suite

Custom WordPress plugin suite engineered for dynamic XML sitemap generation, maintenance mode customization, and multilingual login switchers.

WordPress PHP OOP WP Hooks SEO

GLOBAL CLIENT TRACK RECORD

Trusted On Upwork • Fiverr • Kwork

Delivering high-performance .NET desktop systems, custom WordPress plugins & themes, and full-stack solutions for clients worldwide

Verified Freelancer

Upwork

Top Quality Client Deliveries

Preferred partner for enterprise clients seeking robust .NET Desktop software (WPF/WinForms), scalable ASP.NET Core Web APIs, and high-performance C# backend architectures.

.NET Desktop & POS ERP Systems

ASP.NET Core REST Microservices

SQL Server & MySQL Enterprise DB

5.0 Rated Pro

Fiverr

Repeat Clients & 5-Star Reviews

Specialized in end-to-end WordPress Custom Plugin & Theme Development, WordSprint Hackathon award-winning plugin logic, Elementor Pro customization, speed optimization, and responsive design.

Custom WordPress Plugin Engineering

Bespoke WP Theme & Elementor Dev

PHP Bug Fixes & Site Optimization

100% Delivery Rate

Kwork

Fast Turnaround & Clean Code

Delivering modern React.js web applications, Node.js backend microservices, MySQL relational databases, and interactive Canvas SaaS tools with zero friction.

React.js Single Page Applications

Node.js & Express REST Endpoints

MySQL Database Design & CRUD

FREELANCE & CONTRACT SERVICES

How I Can Help Your Business

Delivering high-end solutions across multiple engineering disciplines

.NET Desktop & POS Development

Windows desktop apps with clean UI, offline local databases, automated barcode scanning, receipt printing, and hardware integrations.

WhatsApp, Telegram & n8n AI Automations

Custom conversational AI bots for WhatsApp & Telegram, trained on your company data (RAG), orchestrated with self-hosted n8n workflows, and deployed on 24/7 cloud VPS hosting.

ASP.NET Core & Node.js APIs

High-throughput RESTful endpoints, secure JWT authentication, microservices architecture, and clean documentation (Swagger/Postman).

Full-Stack SaaS & React Apps

Interactive web tools and business applications with responsive UI, canvas animations, and clean state management.

WordPress Custom Plugins & Themes

Custom plugin engineering, Elementor custom widgets, API integrations, speed optimization, and secure database custom tables.

Database Architecture & Optimization

Relational modeling, complex stored procedures, indexing performance tuning, and offline-to-cloud sync across SQL Server, MySQL, and SQLite.

LET'S COLLABORATE

Have a project in mind?

Whether you need an autonomous WhatsApp/Telegram AI agent & n8n workflow pipeline, an enterprise .NET desktop application, a high-speed ASP.NET Core / Node.js API, a modern React web app, or custom WordPress plugin development — I'm ready to bring your project to life.

shamsulhaq08@gmail.com