Software engineering grounded in business

I turn complex processes intosolutions that work.

I design custom products and SAP Business One integrations that improve sales, operations, logistics and decision-making.

  • SAP Business One
  • POS and operations
  • .NET · Svelte · SQL
Open to new opportunities
Professional portrait of Francisco Javier Terrones Díaz
Surtidora Ferretera
2024 - Present
Independent development
2022 - Present

Career

Experience connecting software and operations

I work closely with the people using each system to turn real needs into clear, fast and sustainable tools.

  1. July 2024 - Present

    Current

    Software Engineer / SAP Business One Developer

    Surtidora de Ferretería y Materiales SFM · Colima, Mexico

    • Designed and implemented an end-to-end point-of-sale system connected to SAP Business One for quotations, orders, sales and invoicing.
    • Built an internal portal covering sales, document scheduling, shipping logistics and administrative reporting workflows.
    • Optimized SQL queries and restructured processes to reduce bottlenecks and improve overall system performance.
  2. 2022 - Present

    Current

    Independent Software Developer

    Projects for small and medium-sized businesses · Mexico

    • Built web, mobile and desktop applications focused on concrete operational needs.
    • Designed maintainable solutions centered on usability, automation and sustainable growth.
  3. January 2023 - December 2023

    Web Developer

    Puerto Inteligente Seguro · Manzanillo, Mexico

    • Developed dynamic forms for structured collection of critical port operations information.
    • Created custom reports to identify and analyze security issues and support protocol improvements.

Selected work

Products built to solve

A selection of business platforms, web experiences and integrations developed around clear outcomes.

Terrones POS point-of-sale interface
  • PWA
  • Operations
  • Inventory

Terrones POS

A point-of-sale system for small and medium-sized businesses, built to simplify sales, inventory and daily operations.

View demo
Preview of Francisco Terrones’s professional portfolio
  • Astro
  • Tailwind CSS
  • Accessibility

Professional portfolio

A bilingual static site built with Astro for fast loading and a clear presentation of experience and selected work.

Explore the code
Artificial intelligence conversational assistant interface
  • AI
  • Automation
  • Web

AI-powered assistant

A conversational experience designed to answer questions, resolve doubts and make information easier to access.

View solution
Francisco Terrones working on a software solution

About me

Technology with human context

I’m Francisco Javier Terrones Díaz, a software engineer from Colima, Mexico. I specialize in understanding how an organization works and translating that knowledge into reliable digital products.

I have built web, mobile and desktop solutions, business integrations and tools for daily operations. I care deeply about simplifying processes, improving performance and leaving systems that are easy to maintain.

Education

B.S. in Software Engineering · University of Colima · 2019 - 2023

Core skills

  • JavaScript
  • C# / .NET
  • Svelte
  • SQL
  • SAP Business One
  • Frontend and backend

Contact

Is there a process your software could improve?

Tell me what you need to solve. We can turn it into a useful, measurable tool that is ready to grow.