Amaanullah Khan
PHP,Laravel & flutter Developer
Expert custom software developer and systems architect specializing in high-performance SaaS and CRM solutions. I transform operational friction into scalable growth engines with a focus on measurable ROI.
Download CVCustom Software Developer for CRM, SaaS & Web Applications
Expert custom software developer based in Karachi, architecting high-performance SaaS platforms, CRMs, and mobile apps. Engineering scalable growth engines for remote clients globally.
Remote Expert
Serving clients across all timezones from my base in Karachi, Pakistan.
1.5M+ Leads
Engineered massive CRM systems and high-concurrency chat architectures.
Identifying friction & data silos.
Building scalable business logic.
Systematizing growth engines.
Projects & Case Studies
View AllChatrox - The Best Custom Alternative to Slack for Enterprises
A fully owned enterprise chat and professional networking platform built as a custom Slack alternative with WebSocket messaging, private channels, role-based access, file sharing, pinned messages, notifications, and future AI bot readiness.
Multi-Tenant CRM - High-Performance Sales & Operations Management System
An enterprise-grade, multi-tenant CRM capable of managing 1.5M+ leads and 300+ concurrent users with real-time WebSockets, internal chat, and high-security 2FA.
Invest in Outcome-First business systems.
Stop building features. Start building growth engines.
Secure Strategic QuoteSpecialized Business Solutions
View Our ProcessCustom CRM Development
Custom CRMs engineered for predictive logic and seamless workflow integration.
Web App & CMS Development
High-ROI custom web applications, dynamic e-commerce, and enterprise scaling.
Business Process Automation
Custom software frameworks that eliminate manual input and accelerate execution.
Chat App Development
Real-time messaging architectures with end-to-end encryption and WebSockets.