Software Architect having a vast experience of more than 20 years in designing and developing numerous web applications
Veteran Software Architect with 20 years of experience building mission-critical enterprise applications.
Specialist in designing and deploying custom ERP, FinTech (Accounting), and E-commerce solutions from the ground up.
Expert in Core PHP, high-concurrency database design, and automated code generation.
A "bridge" developer capable of maintaining complex legacy systems while leading modern digital transformations.
CORE STRENGTHS
Architectural Design: ERP, CRM, MLM, and Billing System Engineering.
Backend Mastery: Advanced Core PHP (5.x - 8.x), Custom Framework Development.
Database Engineering: MySQL Optimization, Complex Schema Design, Data Integrity.
Business Logic: Financial Ledgering, Commission Engines, Inventory Logic.
Legacy Modernization: Migrating Desktop/Standalone apps to Cloud-based Web Solutions.
PROFESSIONAL EXPERIENCE
Independent Technical Consultant / Senior Developer | [Haryana]
2006 – Present (Freelance & Contract)
Key Focus: Enterprise Resource Planning (ERP) & Accounting Systems
Engineered a comprehensive, custom-built ERP system for [Industry Type], managing inventory, payroll, and supply chain logistics.
Developed a proprietary double-entry accounting engine ensuring 100% data accuracy for billing and financial reporting.
Designed a custom PHP code generator that reduced development time for new modules by 60%.
Key Focus: Multi-Level Marketing (MLM) & E-Commerce
Architected high-concurrency MLM platforms featuring complex hierarchical tree structures and real-time commission calculation engines.
Built custom E-commerce solutions focusing on performance, secure payment gateway integrations, and optimized search algorithms.
Key Focus: Desktop & Standalone Applications
Developed and maintained high-stability desktop applications during the early career phase, providing a foundation in memory management and system architecture.
Consulted on the migration of legacy desktop software to web-based PHP environments, ensuring zero data loss during transition.
Work Terms
1. Hours of Operation
Standard Availability: Monday – Friday, 10:00 AM – 7:00 PM (IST).
Emergency Support: Available for critical server/logic issues outside of standard hours for existing ERP/Accounting clients (subject to emergency rates).
Response Time: Guaranteed response within 4 business hours for all active project communications.
2. Communication Style
Primary Channels: Email for formal approvals and documentation; Slack or WhatsApp for quick daily syncs.
Consultative Approach: I don't just "write code." I provide technical consultations. I prefer a weekly video check-in (Zoom/Google Meet) to align on business logic and project milestones.
Documentation: I provide detailed weekly progress reports and technical documentation for all custom logic developed, ensuring the system is maintainable by your team in the future.
Payment Terms
Structure:
30% Milestone 1: Project Kickoff & Architecture Design.
40% Milestone 2: Mid-point delivery (Beta/Testing phase).
30% Final Milestone: Deployment and Handover.
Methods: Direct Bank Transfer (NEFT/IMPS), UPI (for smaller tasks).
Invoicing: Net-0 or Net-3 (Payment due immediately or within 3 days of invoice) to ensure steady cash flow.
Late Fees: 5% late fee applied to invoices overdue by more than 7 days.