Available for Freelancing & Consulting

Qamruzzaman Khan

AI-Enabled Backend Developer

I build scalable backend systems, AI-powered applications, and automation workflows that help businesses move faster and reduce operational overhead.

From WordPress automation to full-stack SaaS systems — I ship production-ready solutions with AI built in.

I Don’t Just Write Code — I Build Systems That Scale

I’m a backend-focused developer specializing in Node.js, API architecture, and AI-driven automation. I help startups, agencies, and growing businesses bridge the gap between complex requirements and high-performance solutions.

If it needs backend logic, automation, or AI — I can build it.

5+
Years Experience
50+
Projects Completed
20+
Happy Clients

Solving Business Challenges

  • Automate content & repetitive workflows
  • Integrate AI into existing platforms
  • Build scalable web applications
  • Improve performance and infrastructure
  • WordPress & WooCommerce Specialist

Core Expertise

Deep technical knowledge in building scalable backends, intelligent AI systems, and seamless automation workflows.

Backend & API Architecture

Node.jsExpressNestJSREST APIsAuthentication SystemsScalable Architecture

AI & Automation Engineering

OpenAI APIRAG ArchitectureVector DatabasesPrompt EngineeringMake & n8n AutomationAI Content Systems

Databases & Performance

MySQLPostgreSQLRedis (AI Caching)Performance OptimizationPrisma ORM

WordPress & CMS Systems

Custom WordPressWooCommerce IntegrationsHeadless WordPressStrapi CMSHubSpot Integrations

Cloud & Deployment

AWSVercelProduction WorkflowsCI/CDEC2S3

Business Automation

Process AutomationWebhooksERP IntegrationsCustom LogicAutomation Pipelines

Featured Work

A selection of my recent projects involving complex backend systems, AI integrations, and high-performance web platforms.

AI Content Generator for WordPress
Node.jsOpenAI APIRAGWordPress

AI Content Generator for WordPress

An AI-powered system that generates SEO-optimized blog posts using OpenAI API. Supports RAG for brand consistency and auto-publishes to WordPress. Built to reduce manual content effort by 80%.

PressStack
Next.jsWordPress AutomationSystem Design

PressStack

Automates your WordPress foundation by setting up scalable theme structures and plugin configurations. Reduces development time drastically for agencies and developers.

SaaS Backend Automation
NestJSPostgreSQLn8nVector DB

SaaS Backend Automation

Production-ready backend for SaaS platforms focusing on event-driven architecture and automated business logic integration.

Services
I Provide

Helping startups and agencies build robust technical foundations and leverage AI to stay ahead of the competition.

Need a custom solution?

I'm available for long-term consulting and per-project basis.

Web App Development

SaaS platforms, admin dashboards, and custom backend systems built with Next.js, Node, Express, or NestJS for maximum scalability.

WordPress & WooCommerce

Custom themes, performance optimization, and headless architecture with deep plugin and API integrations.

AI Integrations

Custom AI chatbots, knowledge-based RAG systems, AI blog generators, and Vector DB implementations for your platform.

Business Automation

Custom Make and n8n workflows that automate repetitive tasks and create intelligent content/business pipelines.

Let's Build Something
Powerful

Have a backend challenge, AI idea, or automation need? I work with SaaS founders, WordPress businesses, startups, and agencies to build production-ready systems.

Start a Project

Direct inquiries and formal briefs. I usually respond within 24 hours.

qamruzzamankhan96@gmail.com

Quick Chat

Message me on WhatsApp for quick inquiries about AI or architecture.

WhatsApp Me