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$
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I will build offline online custom erp for small single business
Asif Iftekhar
About this gig
Most modern ERP/CRM/Billing/Inventory systems rely on high-end hardware, endless updates, ongoing maintenance, and monthly subscription fees - while exposing your critical data to third-party vulnerabilities.
I engineer High-Performance, Zero-Dependency Business Software with Double-Entry Accounting from scratch, custom-tailored to your workflow.
Backed by 18 years of network infrastructure experience, I build systems through a strict "Zero-Trust" security lens. Your application is blazing fast, entirely yours, and completely private.
Core Engineering Features:
- Custom Modules: Comprehensive Stock, Purchase, Accounts, and Vendor/Customer matrices.
- Double-Entry Engine: Chart-of-Accounts (COA) ledger automation.
- Iron-Clad Security: Time-locked tokens, automated session guards, and device-restricted LAN/WAN parameters.
- Role-Based Access Control (RBAC): Tight permission limits for low-educated or non-technical staff.
- Flexible Architecture: Runs seamlessly Offline (LAN) or Online.
- Portable Engineering: True copy-paste like installation with low-overhead, configuration-free backups.
No bloated frameworks. No maintenance cost. No hardware overhead. Just raw, secure, organized coding.
Get to know Asif Iftekhar
Asif Iftekhar
Customized Offline Online Secured ERP CRM with n8n Automation
- FromBangladesh
- Member sinceApr 2026
Languages
English
I am an IT professional with 20+ years in network infrastructure and backend software engineering. I build high-performance, customized ERP/CRP tailored to your business operations.
I am specialized in ERP/CRM/Inventory/Billing/Accounting system development that are fast, private, secured, easy-to-use, novice friendly, business-owned.
What I bring:
Customized ERP/CRM/Inventory/Billing/Accounting System.
RBAC and Audit Trails
Task/Process Automation
Analytical Reports
Cloud/Online/Offline/LAN deployment
Seamless n8n pipeline integration
My Portfolio
FAQ
Do you use frameworks like Laravel or WordPress for development?
No. I build your custom CRM or business tool from scratch using pure, functional PHP and MySQL. This zero-dependency approach ensures your web application experiences zero bloat, runs at blazing-fast execution speeds, and remains ultra-portable.
How do you ensure data security in my custom web application?
Security is embedded at the code level. I implement strict session management, Admin role constraints, device lock restrictions, and secure inputs to protect your custom PHP and MySQL database structures from internal leaks or malicious exploits.
Can this custom business management software run completely offline?
Yes, absolutely! Because this is a lightweight, raw PHP and MySQL web application, it can be deployed directly on a local server or office LAN environment. It functions smoothly offline, keeping your operational data private and secure.
What do you need from me to start building my custom CRM/ERP software?
Please share your exact operational workflow, an outline of the modules you need (like stock or purchases), and any current data formatting rules. I will then map the custom relational MySQL schemas and functional PHP logic to fit your business.
Do I need to be accountant / from accounting background to use and maintain this system?
Not at all. While the system runs a professional double-entry engine with a Chart of Accounts (COA), the interface is designed for non-accountants. It uses a guided workflow that automates the complex math, so you can manage your own books accurately without hiring a professional.
