I'm,

 Cristhian Sanchez

 
Developer
 

Full Stack Developer (All batteries included)

As a skilled developer with 6 years of experience, I am proficient in both frontend and backend development. In my free time, I also have experience as a mobile developer. I am always eager to learn and take on new challenges in the tech industry.

Cristhian Sanchez Medina a.k.a Difusal

My favorite technologies

Typescript

  • React
  • Node.js
  • Nest.js
  • Next.js
  • Vue2, Vue3
  • Nuxt2, Nuxt3
  • Angular
  • Testing
Difusal has experience with Typescript

Python

  • FastAPI
  • Flask
  • Django
  • OpenAI
  • LangChain
  • n8n
  • API Integration
Difusal has experience with Python

PHP

  • Laravel
  • CodeIgniter
  • WordPress
  • WooCommerce
  • API Integration
Difusal has experience with PHP

Java

  • Spring Boot
  • Spring AI
  • Grafana
  • Prometheus
  • Elasticsearch
  • Kafka
Difusal has experience with Java

Flutter

  • Dart
  • Provider
  • Shared Prefences
  • Api Integration
Difusal has experience with Flutter

Go (Learning)

  • Microservices
  • API Integration
  • Docker
  • CI/CD
  • Testing
  • Performance Optimization
  • Security
  • Performance Optimization
Difusal has experience with Go

Marketing

  • N8n
  • Airtable
  • Zapier
  • Zoho CRM
  • Go High Level
  • Email Marketing
  • Google Analytics
  • Constant Contact
  • Quickbooks
  • Shopify
  • Wix
  • WordPress
Difusal has experience with Marketing

Independent Projects

Candidates Portal - Supabase + Next.js + MCP + OpenAI + NextAuth

Candidates Portal efficiently connects top talent with recruiters.

Next.jsSupabaseTailwind CSSMCPShadcn UIOpenAINextAuth

Backend for a inventory management system + cron actions

Backend for a inventory management system is a platform that allows users to manage their inventory.

Nest.jsPostgreSQLTypeScriptJWTDockerCI/CD

Booking App - Google Calendar Integration

Small full-stack app made for a technical assessment. The goal is to handle bookings while preventing conflicts locally (system) and externally (Google Calendar).

Next.js (App Router)NextAuth (Google Auth)Shadcn UITailwind CSSNestJSPrisma ORMPostgreSQLGoogle Calendar API (freebusy.query)

Job Application | Mobile development (Soon)

Job Application is a platform that allows users to apply for jobs and find jobs.

FlutterDartProviderShared PrefencesApi Integration

WordPress Projects - yes 2025 still using it!

Real client projects with measurable outcomes. This projects are made with WordPress and WooCommerce.

Harper Corporation Website Migration

Website migration and optimization

Migrated the full site from Legacy site to WordPress, keeping design consistency while improving load time and content structure. Reorganized pages with custom fields, optimized metadata and internal linking, and implemented new blog sections to support ongoing content marketing.

MigrationSEOACFPerformancen8n

Knomad Yarn

WooCommerce Setup & Performance Optimization

Enhanced the WooCommerce experience by configuring advanced shipping, tax, and coupon settings. Added new product collections and connected Google Analytics for better sales tracking. Performed SEO optimization, caching improvements, and media compression to increase loading speed and improve overall store performance.

WooCommerceSEOAnalyticsPerformance

Coltur Peru

Custom Front-End & Plugin Development

Built custom templates directly from Figma designs, implementing dynamic logic and smooth transitions. Developed a lightweight WordPress plugin for animations and content effects, and added custom post types (CPTs) for handling travel content and form submissions efficiently.

Custom PluginAnimationsACFCPT

Rivera Immigration Law

Website Development & SEO Strategy

Created mobile-friendly page layouts based on client design, integrated submission forms, and added custom animations to improve user interaction. Enhanced on-site SEO and metadata structure to strengthen visibility in search results for immigration-related services.

SEOCPTAccessibilityPerformance

Natur Skin

Website Migration & On-Page Optimization

Migrated the full site from Wix to WordPress, keeping design consistency while improving load time and content structure. Reorganized product pages with custom fields, optimized metadata and internal linking, and implemented new blog sections to support ongoing content marketing.

MigrationSEOACFPerformance

El Paso Restaurant

Full WordPress Build with WooCommerce

Developed a modern bilingual restaurant website from the ground up. Added WooCommerce for online ordering and integrated SEO-friendly menu sections. Focused on a fast, mobile-first layout and incorporated subtle motion effects to highlight the brand’s warm, authentic identity.

WooCommerceBilingualLocal SEOCustom Theme

AI tools and Frameworks i used to build my projects

Increasing my productivity and efficiency by using AI tools and frameworks.

Workflow Automation with n8n

Building sophisticated automation workflows that connect multiple services, APIs, and systems to streamline business processes and increase efficiency.

n8nAPI IntegrationAutomation

OpenAI SDK + Custom Backend

Integrating advanced language models like GPT into web applications with custom backend solutions tailored to specific use cases and requirements.

OpenAI SDKGPT ModelsCustom Backend

LangChain Framework

Developing sophisticated AI applications using LangChain for context-aware language model interactions, memory management, and agent-based systems.

LangChainAI AgentsContext Management

Why AI Integration Matters

In today's rapidly evolving tech landscape, staying current with AI technologies is crucial for building innovative solutions. My expertise in AI integration allows me to create applications that are not just functional, but intelligent and adaptive to user needs.

  • Enhanced user experiences through intelligent interactions
  • Automated workflows that save time and reduce errors
  • Data-driven insights and personalized content
AI Ready

My Journey Through Tech

From frontend to full-stack, here's the story of my professional growth and the amazing teams I've worked with.

InterConnecta logo

Web Developer

InterConnecta · Full-time · Remote

Feb 2023 - Aug 2025·2 yrs 7 mos
Manzana verde logo

Full-stack Developer

Manzana verde · Full-time · Remote

Jan 2022 - Oct 2022·10 mos
Agencia Watson logo

Full Stack Developer

Agencia Watson · Full-time · Remote

Jan 2021 - Dec 2021·1 yr
Espanglish Marketing logo

Full Stack Developer

Espanglish Marketing · Full-time · Remote

Jul 2019 - Dec 2020·1 yr 6 mos

Other Technologies that i have used

  • Firebase
  • SQL
  • MongoDB
  • Fastify
  • .Net
  • C++
  • Blazor
  • Wordpress
  • Python
  • Google Ads
  • Google Analytics
  • Graphic Design
  • Companies that i have collaborated with

    • interconnecta
    • harper
    • espanglish
    • ilustra
    • tci
    • vivavilla
    • knomad
    • kuna
    • mv
    • nave
    • interconnecta
    • harper
    • espanglish
    • ilustra
    • tci
    • vivavilla
    • knomad
    • kuna
    • mv
    • nave

    Contact Info