Enterprise Jewelry Platform↗
EFFY StyleLookup
A centralized web and mobile platform for product information, sales, event workflows, digital catalogs, certificates, and secure role-based access.
Enterprise Software Portfolio
David
David
Erfanian
Director | IT Systems & Software Development
I design, develop, deploy, and maintain production software that modernizes sales, planning, repairs, customer service, retail operations, manufacturing workflows, and executive reporting.
Full-stack engineeringArchitecture · AI · Infrastructure
PythonFlaskSQL ServerJavaScriptEnterprise AIIISActive DirectoryCapacitorJSREST APIsReportLabPythonFlaskSQL ServerJavaScriptEnterprise AIIISActive DirectoryCapacitorJSREST APIsReportLab
Scope
Production systems, not prototypes.
My work spans application engineering, systems integration, mobile delivery, data and reporting, identity and security, infrastructure, and long-term modernization of legacy enterprise workflows.
0Enterprise applications and major platforms
Web · iOS · AndroidDelivery across browser and mobile environments
Cross-functionalSales, planning, repairs, service, operations, and
management
Full lifecycleRequirements, architecture, development, deployment, and
support
Selected Work
Enterprise portfolio.
These case studies show how I translate operational problems into secure, maintainable software used in daily production environments.
AI Recognition & Design↗
EFFY AI
Jewelry-focused image recognition, AI-assisted redesign, motif classification, and design exploration integrated into enterprise workflows.
Repair Management Platform↗
EFFY Repairs
A unified workflow for customer and store submissions, internal lifecycle management, payments, documents, and shipping.
Merchandise Analytics↗
StyleRecommender
Planning and allocation workflows built around sales, inventory, profitability, ranked recommendations, and Excel reporting.
Certificates & Warranty↗
EFFY Certificate
A controlled, integrated replacement for third-party certificate processing, including lookup, PDF generation, registration, and delivery.
Event Catalogs & Flipbooks↗
Digital Selling Tools
Interactive showcase flipbooks, carts, catalogs, and presentation tools for international and retail sales events.
Systems Thinking
An integrated ecosystem.
The applications are connected by shared product data, identity, imagery, reporting, documents, AI, customer workflows, and operational infrastructure.
EFFY AIRecognition & generationStyleLookupProduct & sales platformEFFY RepairsService operations
Identity & SecurityAD · JWT · Duo MFA
Enterprise Data LayerSQL Server · APIs · Images
DeliveryIIS · Web · iOS · Android
StyleRecommenderPlanning & analyticsEFFY CertificateDocuments & warranty
External IntegrationsUPS · FedEx · Clover
Progression
Education to enterprise leadership.
A progression from computer science and network security into hands-on enterprise development, infrastructure ownership, and Director-level responsibility.
B.S. Computer Science
New York Institute of Technology
Network Security concentration, Summa Cum Laude, Dean's List.
M.S. Computer Science
New York Institute of Technology
Completed the graduate program with honors distinction.
IT Specialist & Developer
Expanded from enterprise infrastructure into full-stack application engineering and production deployment.
Director | IT Systems & Software Development
Promoted to reflect responsibility across software development, systems integration, modernization, and IT operations.
Engineering Approach
How I build production software.
The work begins with the actual business process and continues through architecture, implementation, rollout, support, and continuous refinement.
01 UnderstandMap users, decisions, constraints, and operational pain
points.
02 ArchitectDesign data, security, integrations, delivery, and
maintainability.
03 BuildDevelop the complete backend, frontend, workflows, and
automation.
04 DeployRelease through IIS, mobile WebViews, and production
infrastructure.
05 SupportMonitor usage, resolve issues, and protect daily
operations.
06 ImproveRefine based on production feedback and evolving business
needs.
Technical Foundation
Built across the stack.
A practical technology portfolio centered on enterprise integration, secure production delivery, and maintainable business applications.
Application Engineering
Python, Flask, SQLAlchemy, REST APIs, server-side rendering, HTML, CSS, JavaScript.
Data & Reporting
SQL Server, stored procedures, pandas, openpyxl, xlsxwriter, ReportLab, Excel and PDF automation.
Identity & Security
Active Directory, Microsoft Entra ID, IIS Windows Authentication, JWT, Duo MFA, role-based access.
Infrastructure
Windows Server, IIS/WFastCGI, Microsoft 365, Exchange, networking, workstations, access systems.
AI & Image Systems
Computer vision, generative AI, image processing, motif classification, structured enterprise integration.
Mobile Delivery
Responsive applications and iOS/Android delivery through CapacitorJS WebViews.
Professional Profile
Explore the work and experience behind the portfolio.
This site documents selected systems I have designed, developed, deployed, and maintained. The resume provides the complete professional and educational overview.