Open to remote roles & freelance projects

CDMXUTC−6

Brian SanchezSoftware Engineer — Angular · Java Spring Boot · AI

I have spent 5+ years shipping enterprise systems at VASS and Grupo Salinas, and now build LLM products with MCP, LangChain and FastAPI. Based in Mexico City (UTC-6), working remotely with distributed teams.

AngularTypeScriptJava · Spring BootPython · FastAPINext.jsLangChain · MCP
Brian Sanchez, software engineer
5+
Years of experience

Enterprise software across finance, retail and consulting.

AI in production

Internal LLM assistants and chatbots with LangChain, FastAPI and MCP.

Mexico City · UTC-6

Remote-first since 2021.

Previously at
  • VASS
  • Grupo Salinas
  • Dochmart
  • DuoSceptem

Experience

Enterprise delivery, remote-first, with AI in the stack

  1. Aug 2025 – PresentMexico · Remote

    Full Stack Developer @ VASS

    • Designed and built an internal AI assistant (Python, FastAPI, LangChain) that centralizes business logic for projects, clients and employee experience, with MCP for interoperability across the LLMs the team uses.
    • Introduce Angular Signals in new developments to streamline state management, reduce change-detection cycles and improve performance.
    • Standardize RxJS-based reactive architecture for asynchronous data streams, improving stability and scalability across enterprise systems.
    • Remediate critical vulnerabilities in code and dependencies to meet enterprise security standards.
    PythonFastAPILangChainMCPAngular SignalsRxJSPrimeNGTailwind
  2. Oct 2024 – Jul 2025Mexico City · Hybrid

    Full Stack Developer @ Grupo Salinas

    • Maintained and shipped new features for AI-powered chatbots using Python and FastAPI.
    • Maintained and optimized mission-critical AngularJS applications, extending the lifecycle and stability of multiple portals.
    • Developed Java Spring Boot backend services ensuring transactional consistency and operational continuity.
    • Remediated web vulnerabilities and optimized Oracle queries to protect sensitive data and improve system performance.
    Java Spring BootOracleAngularJSPythonFastAPI
  3. Mar 2024 – Oct 2024Culiacán, Sinaloa · Remote

    Frontend Developer @ Dochmart

    • Developed a reusable component library with Angular Material and SCSS, standardizing visual identity and reducing UI development time.
    • Refactored critical modules and applied lazy loading, improving load speed and navigation smoothness.
    Angular MaterialSCSSREST APIs
  4. Oct 2021 – Jul 2024Sinaloa · Remote

    Full Stack Developer @ DuoSceptem

    • Built and maintained critical modules for e-commerce and ERP projects.
    • Developed interactive dashboards that improved the user experience of inventory and sales processes.
    • Collaborated in agile workflows using Azure DevOps and Git.
    AngularReactNext.jsJavaSpring BootAzure DevOps
Education
B.Eng., Information Technology — TecNM (2019 – 2024)
Certifications
Google AI Essentials (2025) · SOLID Principles & Clean Code, Udemy (2023)
Download full resume (PDF)

Selected projects

AI products, enterprise-grade apps and live sites

Creator OS

01AI Studio + GPU Pipeline

Creator OS

AI video studio that writes, draws, narrates, edits, publishes and measures content, running on a local GPU with 19 MCP tools. Built with Next.js 16, Prisma, FFmpeg and Python model servers

AIVideoAutomation
  • Next.js 16
  • TypeScript
  • Prisma
  • FFmpeg
  • MCP
Agent 3D Mesh

02Multimodal AI

Agent 3D Mesh

Multimodal AI orchestrator that bridges semantic reasoning with 3D generation. Built with Node.js, Express, Google Gemini, and Tripo3D API

AI3D Generation
  • TypeScript
  • Express
  • Google Gemini
  • Tripo3D
Go Pueblos

03Full-Stack SPA

Go Pueblos

Interactive Mexico travel directory and mapping application powered by Next.js, React, and Tailwind CSS

TravelDirectory
  • Next.js
  • React
  • Tailwind

More projects

About me

Who am I and what I do?

About me

I am Brian, a Software Engineer with 5+ years building scalable enterprise applications. I specialize in robust architectures combining modern reactive frontends (Angular, RxJS) with secure backends (Java Spring Boot, Python/FastAPI). I also build AI assistants and chatbots with LangChain and MCP. Whether it is a full-time remote role or a freelance project, I care about clean code, clear communication and shipping.

Contact me →
Years

Full-stack engineering since 2021 across finance, retail and consulting — Angular, Java Spring Boot, Python and Oracle.

Companies

VASS, Grupo Salinas, Dochmart and DuoSceptem: enterprise portals, e-commerce, ERP and AI assistants.

Remote roles

Used to async communication, agile workflows and distributed teams working with Azure DevOps and Git.

MCP tools

Exposed by Creator OS, my AI video studio running on a local GPU. See it in my projects.

Freelance services

What I can build for you

Web application development

Fast, accessible and maintainable web apps built with Angular, React and Next.js, focused on real product impact.

Business websites & landing pages

Modern, conversion-focused websites for local businesses and brands: clear design, quick loading, easy to find on Google.

Custom software & APIs

End-to-end engineering of tailored systems: secure backends with Java Spring Boot and Python, clean APIs and Oracle data models that scale with your business.

AI integration

I add LLMs, embeddings and retrieval (RAG) to your existing product to unlock smart workflows and internal copilots.

Automation & AI chatbots

Intelligent chatbots and automation pipelines connected to your systems, reducing manual work and answering around the clock.

Legacy modernization & consulting

Technical consulting on architecture and code quality, plus migrations of outdated apps to modern stacks without losing business logic.

What people say

Recommendations from teammates and leaders I have worked with.

  • Skilled at their work and a fast learner.
    Jesus Abraham Pérez CastroProgramador · Studied together
Contact me

Let's work
together.

Hiring for a remote role or need a project built? Tell me which and I will get back to you — solid engineering, clear communication and real business impact.