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Luis Villarreal

Full-stack software architect · AI solutions

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Professional summary

Full-stack architect with 9+ years building web products end to end. I design polished, modern interfaces with a strong UI/UX eye and build them with React, Next.js and Blazor on top of robust .NET and Node backends with automated CI/CD. I turn complex business requirements into intuitive, scalable products. I integrate AI solutions (agents, skills and automations) into products, and bring critical, analytical thinking grounded in data and database design.

Experience

  1. Global technology consultancy

    Software architect

    Jan 2025 – Present

    Senior full-stack engineer · Fuel distribution company

    Jan 2025 – Present

    • Allocation-management platform: baselines, credit, limits, pricing and terminals across branches, fleets and distribution centers.
    • Blazor front end with modern interfaces built on UI/UX best practices for complex operational workflows.
    • Back end on .NET 10, SQL Server and Azure (App Service, Functions, Service Bus, SignalR, Key Vault) with Terraform and Azure DevOps.
    • Design of AI agents and skills (orchestrators and subagents) for stories, acceptance criteria, QA and parity checks; they shortened PR review and migration validation.

    Senior backend developer · Payroll and savings company

    Jan 2025 – Present

    • Led payroll integration on a TypeScript backend: architecture decisions, automated testing and production launch with a beta client.
    • Onboarded new engineers and presented the architecture to stakeholders.

  2. Real estate developer

    Full-stack developer

    Jan 2021 – Jan 2025

    • Led React and Next.js front-end work for internal apps, the intranet and the public website.
    • Interfaces on design systems and component libraries (shadcn/ui), responsive and accessible by default.
    • Designed flows and prototypes that turned business processes into intuitive, automated tools.
    • Back end on .NET / C# and SQL Server (complex T-SQL, stored procedures); deployed on IIS and Cloudflare.
    • End-to-end project lead: requirements, architecture, development, testing and deployment.
    • Power BI dashboards for sales, inventory, budgets, collections and warranties.

  3. Manufacturing company

    Developer

    May 2017 – Jan 2021

    • Internal apps that cut process times and costs; SAP Business One add-ons (DI API), SQL scripts and stored procedures.
    • Ran the websites and intranet; designed and taught a beginner-to-advanced Excel course.

    Inventory analyst

    Nov 2015 – Apr 2017

    • Inventory control (FIFO, scrap), logistics and SAP B1 inventory modules.

Skills

Front end
JavaScript, TypeScript, React, Next.js, Astro, Blazor, shadcn/ui, Tailwind CSS
UI/UX
Design systems, component libraries, accessibility, responsive design, prototyping, user flows
Back end and data
.NET 10 / C#, ASP.NET Core and MVC, Node.js (Express, Nest, Hono), SQL Server / T-SQL, PostgreSQL, D1, Power BI
Cloud and DevOps
Azure (App Service, Functions, Service Bus), AWS, GCP, Cloudflare · Terraform, Docker, Azure DevOps, GitHub Actions, Git
Agentic engineering
AI solution integration: agents, skills and orchestrators
Professional
Problem solving, analytical thinking, project management, strong communication

Languages

  • Spanish · Native
  • English · Professional working (B2)