HB Gayrimenkul

HB Gayrimenkul is an enterprise-grade real estate brokerage and office operations management platform developed from the ground up by InsightTech. Built to streamline every aspect of modern real estate agencies, it unifies property and parcel registries, portfolio lifecycles, versioned authorization contracts, client CRM, and smart calendar workflows into a single high-performance system.

Core Modules & Platform Capabilities

• Property & Parcel Registry: Comprehensive management of parcels, property attributes, share ratios, and chronological owner-representative relationships adhering to legal standards.
• Portfolio Lifecycle & Price History: 5-step draft wizard, distinct sales and rental terms, price revision rationales, and rule-governed state transitions (Draft, Published, Optioned, Sold/Rented).
• Client & Corporate CRM: Rich profiles for individuals and corporate entities, dynamic contact points, customer care automation, and controlled duplicate-free Excel/CSV import.
• Smart Tasks & Dynamic Calendar: Context-aware task and appointment scheduling directly linked to properties, clients, or portfolios with advisor assignment and reminder loops.
• Authorization Contracts & Document Management: Multi-party authorization agreements, versioned digital archives, electronic signature records, and validity expiration tracking.
• Portal & Channel Publication: Multi-channel listing coordination across major portals (Sahibinden, Hepsiemlak, Zingat) with publication audit trails.
• Transaction Drafts & Controlled Closing: Multi-party transaction agreements with transparent commission splitting and atomic financial closure.

Engineering Excellence & Architecture

Engineered using ASP.NET Core 9 Clean Architecture (Domain-Driven Design), PostgreSQL with schema isolation, and a responsive React + TypeScript interface powered by Velzon. Delivers bank-grade security with HttpOnly cookies, CSRF defenses, role-based access control (RBAC), and immutable audit logs tracking before-and-after snapshots of every system change.