I had a great experience working with Amaanullah. He is highly skilled in web development and backend systems. The website he developed was fast, secure, and very well structured. What impressed me most was his attention to detail and problem-solving ability. He understands business requirements and converts them into practical digital solutions. If you're looking for a reliable developer for custom software, web applications, or business systems, I highly recommend him.
Amaanullah Khan
PHP & Laravel Developer
Also: Flutter mobile apps
Karachi, Pakistan
4.8 ★ Google Rating
17 verified client reviews
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
I build production-grade Custom CRM, Laravel SaaS backends, admin portals, and automation systems — based in Karachi, available for local clients and remote teams worldwide. From lead routing and SLA dashboards to payroll automation, every build is scoped for how your team actually works.
Laravel / PHP
Custom CRM
SaaS APIs
Automation
1.5M+
Leads in production CRM
Multi-branch sales & lead routing
300+
Concurrent CRM users
Daily operations across teams
4.8 ★
Google client rating
Verified client feedback
How I Work
01
Discovery
Map workflows, roles, and integrations before development starts.
02
Architecture
Schema, APIs, permissions, and phased scope for each release.
03
Build & Deploy
Iterative delivery, QA, staging, and full production handover.
04
QA & Staging
Test workflows, permissions, and integrations on staging before go-live.
05
Handover & Support
Documentation, team walkthrough, and post-launch fixes when you need them.
Custom CRM & SaaS Case Studies
View All
CRM & Enterprise Systems
Multi-Tenant CRM - High-Performance Sales & Operations Management System
Enterprise multi-tenant CRM handling 1.5M+ leads and 300+ concurrent users — Laravel backend, tenant isolation, lead routing, and real-time team coordination.
Communication Tech / Enterprise Systems
Chatrox - 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.
CRM & HRM Systems
HRM - Enterprise Employee Management & Automated Payroll Portal
Enterprise HRM portal with real-time attendance, leave management, payroll automation, and HR analytics — built for monthly cycle reliability.
Each case study covers the problem, architecture, tech stack, and outcomes from live production systems — not concept demos.
Available for Projects
Ready to build your CRM or SaaS system?
Tell me about your project — I reply within 24 hours with clear next steps.
Start Project InquiryCustom Software Development Services
View Our ProcessCustom CRM Development
Lead routing, multi-tenant logic, HRM modules, and dashboards built for your workflow.
Web App & SaaS Development
Custom web applications, admin portals, and subscription-ready SaaS platforms.
Business Process Automation
Workflow engines, webhooks, and backend automation that remove manual handoffs.
Chat App Development
Real-time messaging with WebSockets — enterprise chat and team coordination tools.
Specialized Development in Karachi
CRM Developer in Pakistan
Custom CRM, lead routing, multi-tenant sales platforms, and HRM portals.
Laravel Developer in Karachi
Laravel backends, SaaS APIs, admin panels, and enterprise PHP systems.
Full-Stack Developer in Karachi
CRM, SaaS, automation, and web apps for local and remote clients worldwide.
