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DSJDeveloper/README.md

Hi there! I'm Jorwin Cumare 👋 / ¡Hola! Soy Jorwin Cumare

🛠️ Senior Software Architect | Lead Developer | SaaS & SFA Expert

15+ years of experience building scalable digital ecosystems and high-performance business solutions.

About Me (English)

I am a Systems Engineer and Lead Developer at DSJ Soft, specializing in the design, development, and maintenance of commercial software products. My expertise lies in creating robust architectures that bridge the gap between complex business needs and high-efficiency technology.

  • 🚀 Core Focus: SaaS Architecture, Mobile Sales Force Automation (SFA), and Multi-platform systems.
  • ⚙️ Performance: Expert in database optimization (PostgreSQL/MySQL), Linux server environments, and system monitoring.
  • 💡 Integrations: Proven track record integrating with SAP Business One and JDE Enterprise.

Sobre Mí (Español)

Ingeniero de Sistemas y Lead Developer en DSJ Soft, con más de 15 años de trayectoria en la creación de productos de software comercial. Me especializo en diseñar arquitecturas que garantizan escalabilidad y eficiencia operativa.

  • 🚀 Enfoque Principal: Arquitectura SaaS, automatización de fuerza de ventas móvil (SFA) y sistemas multiplataforma.
  • ⚙️ Rendimiento: Experto en optimización de bases de datos (PostgreSQL/MySQL), entornos de servidores Linux y monitoreo proactivo.
  • 💡 Integraciones: Experiencia sólida integrando soluciones con SAP Business One y JDE Enterprise.

🚀 Featured Projects / Proyectos Principales

📦 SINVAD (SaaS)

Comprehensive Administrative & Inventory Management System.

  • Tech: Python (FastAPI/SQLModel), Vue.js, PostgreSQL.
  • Key Feature: High-performance data partitioning for large-scale audit tables and multi-tenant architecture.

📱 QRJVentas (SFA)

Mobile Sales Force Automation for field vendors.

  • Tech: Flutter (Dart), SQLite, REST APIs.
  • Key Feature: Advanced offline synchronization and real-time GPS tracking for field operations.

🤖 SinvadMessenger

Omnichannel Notification Engine (Telegram, WhatsApp, Email).

  • Tech: Python, Telegram Bot API.
  • Key Feature: Automated error reporting and real-time sales alerts for business owners.

🛠️ Tech Stack & Skills

Category Technologies
Backend Python (FastAPI), C# (.NET Core/Razor), PHP
Mobile & Web Flutter, Dart, Vue.js, TypeScript
Databases PostgreSQL, MySQL/MariaDB (Indexing & Partitioning Expert), MongoDB
Infrastructure Linux (Ubuntu/Debian), Shell Scripting, Telegram API

📫 Connect with me / Conectemos:

[LinkedIn] https://www.linkedin.com/in/jorwin-cumare-91486346/ | [Email]jcumare@gmail.com

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