Full-Stack .NET Developer (SaaS & EHR)

Héctor Dylan Martínez Tavera

Tacámbaro, Michoacán, Mexico ********@*****.*** LinkedIn:

https://www.linkedin.com/in/héctor-dylan-martínez-tavera-915b412aa Certifications Portfolio:

https://drive.google.com/drive/folders/1SjdMBRfFa38GH2FZU4kjW8JRHIbKqrJb Professional Summary

Computer Systems Engineer and Full-Stack Developer specializing in .NET ecosystems, SaaS multi-tenant architectures, complex relational databases, and modern web applications. Proven expertise in C#, ASP.NET Core, EF Core, SQL Server, Blazor Server, and Python. Experienced in architecting HealthTech and Electronic Health Record (EHR) platforms, normalizing enterprise database schemas, optimizing backend performance, and delivering customized Point of Sale

(POS) solutions. Adept at cloud infrastructure integration (AWS) and AI-assisted software development, seeking remote opportunities within international technical teams. Technical Skills

● Languages & Frameworks: C#, ASP.NET Core, EF Core, Blazor Server (MudBlazor), Python, Flask, Java, PHP, Tailwind CSS.

● Databases: SQL Server, MySQL, SQLite, Relational Database Management Systems

(RDBMS).

● Core Competencies: SaaS Multi-Tenant Architecture, Database Normalization, RESTful APIs, HealthTech & EHR Platforms, Inventory & POS Systems, Hardware Support & Repair, Cloud Computing (AWS), AI-Assisted Development.

● Design: User Experience (UX) Basics.

Professional Experience

Freelance Web Developer Independent

Jan 2025 – Present

● Engineered a Multi-Tenant Electronic Health Record (EHR) & Clinical Management SaaS platform using ASP.NET Core Web API, EF Core, SQL Server, and Blazor Server

(MudBlazor), incorporating 20+ relational entities (CIE-10 medical diagnostics, electronic prescriptions, lab order workflows, and audit logging).

● Architected and normalized a highly complex relational database consisting of 33 tables for a scalable SaaS platform, ensuring high performance, data integrity, and strict isolation protocols.

● Engineered and deployed custom web-based Point of Sale (POS) systems, significantly improving inventory tracking and streamlining the sales flow for retail clients.

● Developed a web application for managing raffles and lottery logic (Feb 2026), implementing secure transaction handling and complex business rules.

● Integrated comprehensive modules for inventory, sales, and fiscal management, optimizing operational efficiency for commercial businesses. Programmer WiGo

Aug 2024 – Jan 2025

● Collaborated on software development initiatives and provided specialized technical support within a professional residency program.

Teacher Evaluation System Administrator Instituto Tecnológico Superior de Tacámbaro

Sep 2023 – Apr 2024

● Managed and maintained a critical educational evaluation system, ensuring continuous data availability and security for institutional decision-making. Education

B.S. in Computer Systems Engineering

Instituto Tecnológico de Tacámbaro 2020 – 2025

Certifications

● AWS Cloud Practitioner Essentials – Amazon Web Services (AWS)

● Amazon Q Developer Getting Started – Amazon Web Services (AWS)

● C# Programmer

● Relational Database Administrator

● User Experience (UX) Design Basics

● Computer Equipment Installation and Repair Technician

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