RUBÉN LUJÁN JUARICO

Sr. IT Development Analyst & Full-Stack Developer

📍 Chihuahua City, Chihuahua
📞 (639) 167 60 37
✉️ rubluj@hotmail.com
🔗 LinkedIn: Ruben Lujan J.
Results-driven IT Development Analyst with proven global operations experience implementing enterprise-level solutions across multiple international facilities, including hands-on system deployments in Portugal. Expert in full-stack development with versatile technology adaptation skills spanning multiple programming languages and frameworks. Demonstrated track record of transforming complex business requirements into scalable technological solutions that drive operational efficiency across global plant operations.
Technical Skills

Backend

C# ASP.NET Web Forms ASP.NET MVC/Core Java Python JavaScript Node.JS Worker Services

Frontend & Mobile

Angular (v2+) TypeScript HTML5 CSS3 .NET MAUI Xamarin

Data & Integration

SQL Server / T-SQL MySQL REST APIs / JSON RabbitMQ Stored Procedures SSRS

Tools & DevOps

Git / GitHub / GitLab Visual Studio VS Code IIS Windows Server ServiceNow AI-Assisted Dev (Claude)

Methodologies

SOLID Principles Design Patterns ERP Integration (QAD)

Key Traits

Analytical Ability Problem Solving Responsibility
Professional Experience
Sr. Analyst IT Development
Visteon  ·  Chihuahua City, Chihuahua
2022 — Present
  • Perform full-stack web application development focused on warehouse operations and administrative systems; provide end-to-end support via ServiceNow tickets across multiple global plant locations.
  • Key contributor in the development and evolution of an in-house Warehouse Management System (WMS) deployed across multiple Visteon facilities globally, covering material traceability, FIFO inventory control, and automated storage operations.
  • Design and develop REST API middleware acting as integration layer between SAP EWM and automated storage systems (Modula, HANEL), enabling Putaway and Picking workflows with real-time data exchange.
  • Build and maintain .NET Worker Services for background processing of warehouse transactions, asynchronous messaging via RabbitMQ, and automated material flow orchestration.
  • Create and optimize complex T-SQL stored procedures and queries supporting inventory tracking, FIFO control, and operational reporting across enterprise SQL Server databases.
  • Develop mobile applications using .NET MAUI / Xamarin for warehouse management workflows, including internationalization and offline capabilities.
  • Generate operational reports using SSRS and Excel-based automation tools; integrate with QAD ERP to ensure accurate production and inventory data flow.
  • Led on-site system deployment and go-live support at the Portugal facility, ensuring seamless cross-facility WMS integration and user adoption.
  • Deploy and maintain applications on IIS / Windows Server; apply SOLID principles and design patterns to ensure scalable, maintainable codebases.
  • Leverage AI-assisted development tools (Claude) to accelerate delivery of backend services, API integrations, and SQL optimizations.
IT Technician
Grupo TOMZA  ·  Ciudad Juárez, Chihuahua
2020 — 2022
  • Provided technical support to staff on hardware and software issues; administered SQL Server and CONTPAQi systems including preventive maintenance and backup management.
  • Developed administrative applications for XML parsing and automated data consolidation into Excel reports, reducing manual processing time.
Education
Information Technology Engineer
Universidad Tecnológica de Ciudad Juárez  ·  Ciudad Juárez, Chihuahua
April 2020
Professional focus on decision-making for evolving information systems, software engineering, technological innovation, and feasibility evaluation. Experienced in collaborative large-scale software projects under variable requirements and diverse standards.
Languages
Español Nativo
English Professional proficiency