I'm a Full-Stack .NET Developer with over 5 years of experience leading complete web development cycles. I specialize in creating scalable architectures on AWS, developing ERP systems for financial and educational sectors, and transforming legacy systems into modern microservices-based solutions.

📍 Location: Santo Domingo, Ecuador
🎯 Specialty: Scalable architectures and microservices
💼 Current Company: Acontplus S.A.S
🎓 Education: Bachelor's in Computer Systems Engineering

• 🏗️ Monorepo Architecture: Led development of enterprise .NET libraries monorepo with 10+ modular packages (Core, Billing, Notifications, Reports, Persistence, S3Application, Logging, Barcode)
• 🎨 Angular Libraries: Architected Nx monorepo with DDD patterns, 9+ Angular libraries for enterprise apps (auth, components, infrastructure, notifications)
• 📱 Modern Web Apps: Built production Next.js 15+ applications with TypeScript, Supabase, shadcn/ui (billing portal, international export websites)
• 🔔 Desktop Solutions: Developed .NET 9 WPF Educational Bell System with Windows Task Scheduler integration and wake-from-sleep capabilities
• 🏪 Enterprise Admin Platform: Full-stack monorepo with ASP.NET Core 9, Angular 17+, SQL Server, Docker, Azure Pipelines
• 📧 Mass Communication: AWS SES integration for high-volume email processing (1K+ daily emails)
• 🔐 Electronic Invoicing: SRI Ecuador compliance with XAdES-BES digital signature implementation using PKCS#12 certificates
• 🤖 Worker Services: Background task processing with .NET Worker Services for automated SRI document processing
• ⚙️ DevOps Excellence: Azure Pipelines CI/CD, Docker containerization, Nginx load balancing, automated deployment workflows
• 🤖 AI-Powered Productivity: Leveraged AI coding assistants for accelerated development, code reviews, and architectural decisions

• 🎯 Specialized API: Development of thermal printing API for KFC
• 📋 Tax Compliance: Implementation of ATS 2.0 module for withholdings
• 🔒 Security: Remediation of OWASP vulnerabilities in legacy applications

• 🎯 Complete Academic System: Full-stack development of SGA for ITSAE
• 📚 Modules: Admissions, enrollment, grades, integrated SRI billing
• 📊 Reporting: Academic and financial with Report Viewer

Repository: acontplus-dotnet-libs
Tech Stack: .NET 9.0 + Entity Framework Core + AWS SDK + Serilog + MailKit
Status: Production (NuGet packages)

Comprehensive enterprise .NET library ecosystem with 10+ modular packages:

• Acontplus.Core: DDD components, error handling, specification pattern
• Acontplus.Billing: Electronic invoicing and SRI Ecuador integration
• Acontplus.Notifications: Multi-channel notifications (Email, WhatsApp, SMS) with MailKit and AWS SES
• Acontplus.Reports: RDLC report generation with PDF/Excel export
• Acontplus.Persistence.SqlServer: Repository/UoW patterns with EF Core
• Acontplus.S3Application: AWS S3 storage operations
• Acontplus.Logging: Advanced Serilog integration
• Acontplus.Services: API authentication, JWT, middleware

Repository: acontplus-libs
Tech Stack: Angular 17+ + Nx + TypeScript + Angular Material + RxJS
Architecture: Domain-Driven Design (DDD)

9+ Angular libraries for enterprise development:

• core: DDD patterns, pricing calculations, domain models, clean architecture
• ng-auth: JWT authentication, route guards, session management
• ng-components: Angular Material UI components, cards, tables, dialogs, theme toggle
• ng-infrastructure: HTTP interceptors, repositories, adapters
• ng-notifications: Toast notifications with ngx-toastr and SweetAlert2
• ng-customer: Customer management with clean architecture
• ng-config: Environment tokens and configuration services

Tech Stack: ASP.NET Core 9.0 + Angular 17+ + SQL Server 2022 + Docker
DevOps: Azure Pipelines + Nginx + Docker Compose

Full-stack enterprise admin monorepo with:

• Backend: Clean architecture with API, Application, Domain, Infrastructure layers
• Frontend: Angular 17+ with modular architecture
• Features: JWT auth, role-based authorization, background services, automated migrations
• Infrastructure: Containerized deployment with load balancing

Tech Stack: Next.js 16 + TypeScript + Supabase + Tailwind CSS v4 + shadcn/ui
Status: Production Ready
Development: AI-assisted rapid development

Modern SaaS billing portal for Ecuadorian electronic invoicing:

• Secure authentication with Supabase Auth
• Document management (PDF/XML viewer and download)
• Dark/light mode with system preference support
• Mobile-first responsive design
• Access logging for compliance
• Type-safe with Zod validation

Tech Stack: Next.js 15.5 + PostgreSQL + NextAuth.js + TypeScript
Features: PWA, i18n, SEO Optimized
Development: AI-assisted architecture and implementation

Production-ready international export company website:

• Dynamic product catalog with 30+ products
• Advanced multi-product quote system
• Admin dashboard with analytics
• PWA with offline functionality
• Core Web Vitals monitoring
• cPanel Node.js deployment ready

Tech Stack: .NET 9.0 + WPF + Windows Task Scheduler
Platform: Windows 10/11

Automated school bell system with advanced features:

• Automatic wake from sleep/hibernation
• Windows Task Scheduler integration
• Multi-level educational schedule support
• Custom audio configuration per level
• Modern UI with theme support
• Event logging with Windows Event Viewer

Tech Stack: .NET Framework 4.8.1 + Java Interop (IKVM)
Standard: XAdES-BES Enveloped Signature

Electronic document signing for SRI Ecuador:

• PKCS#12 certificate support (.p12/.pfx)
• XAdES-BES digital signature generation
• XML signing for electronic invoices
• Java libraries ported via IKVM
• CLI and API integration modes

Tech Stack: .NET Core + AngularJS + SQL Server + Report Viewer
Period: March 2021 - April 2022

Complete academic administration system:

• Online admissions and enrollment management
• Grade control and academic reporting
• Integrated SRI electronic billing
• Financial and academic reports
• Multi-user role-based access

Tech Stack: .NET Core 3.1 + REST API + Windows Services
Client: SIPECOM S.A. for KFC Ecuador

High-performance API for point-of-sale thermal printing:

• Concurrent request handling
• Multiple printer support
• Print job queue management
• Error recovery and logging

🎓 Bachelor's in Computer Systems Engineering - UTEL Universidad (2021-2024)
🎓 Technology Degree in Computer Science - Instituto Tecnológico Superior Adventista (2015-2018)

• ☁️ AWS Certified Cloud Practitioner (In progress - Q4 2025)
• 🔧 Introduction to Backend Development
• 🐧 Linux Development Environment Configuration
• 🌐 Complete ASP.NET MVC 5 Course

• 🚀 Technical Leadership: Mentoring junior teams and solution architecture
• 🤖 AI-Assisted Development: Proficient in leveraging AI agents (GitHub Copilot, Claude, ChatGPT) for rapid prototyping, code generation, and problem-solving
• 🔗 Systems Integration: SRI Ecuador specialist and messaging APIs
• ⚡ Agile Methodologies: Scrum/Kanban with continuous delivery focus
• 💬 Communication: Effective interaction with technical and business stakeholders

• 🇪🇸 Spanish: Native
• 🇺🇸 English: B1 Technical (Progressing to B2)