Harold J Medrano

Full-Stack Developer & AI Engineer

I work with React, Next.js, FastAPI, Python, agents, automation, and modern architectures. My approach is simple: build products that actually work.

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Foto de perfil de Harold J Medrano (GitHub)

Professional Experience

A brief professional journey and relevant projects.

  1. AI & Full Stack Developer

    August 2025 — October 2025

    Cimark

    • Development of microservices with FastAPI for large-scale data processing and analysis.

    • Implementation of automated data pipelines using Airflow and Docker.

  2. AI & Full Stack Developer Junior

    May 2025 — August 2025

    MyWorkin

    • Integrated data flows for analysis and recommendations based on embeddings using Python + FastAPI.

    • Built dynamic interfaces with React and Next.js connected to AI-powered APIs.

  3. Full Stack Developer Junior

    November 2024 — April 2025

    Cimark

    • Built reusable components following Atomic Design, accelerating team development by 30%.

    • Optimized platform performance (lazy loading, memoization), achieving 30% improvements.

  4. Software Developer Intern

    June 2024 — August 2024

    Cimark

    • Developed an AI chatbot + WhatsApp Business API to automate classification and CRM support.

    • Implemented semantic analysis with embeddings to prioritize leads in real-time.

Featured Projects

A selection of my most recent work, combining creativity and technology to create innovative and functional digital solutions.

ERP Multilimp

ERP Multilimp

45 12

Complete e-commerce platform with React, Node.js, and PostgreSQL. Includes inventory management, payment processing, and admin panel.

React Node.js PostgreSQL Stripe
GitHub Demo
Fitgym Admin

Fitgym Admin

28 6

Interactive weather dashboard with real-time data visualizations, extended forecasts, and interactive maps.

React D3.js OpenWeather API Chart.js
GitHub
Coming Soon
Ferreteria Online

Ferreteria Online

67 15

Social media analytics tool with detailed metrics, automated reports, and interactive visualizations.

Next.js MongoDB Chart.js API Integration
GitHub Demo
Chatbot AI

Chatbot AI

89 23

Complete learning management system with interactive courses, progress tracking, and assessment tools.

React Express MySQL Socket.io
GitHub
Coming Soon

Technical Skills

Tools and technologies I work with daily.

Languages

  • TypeScript
  • JavaScript
  • Python

Frontend

  • React
  • Next.js
  • Astro
  • Tailwind CSS
  • Angular 20

Backend

  • Node.js
  • Express
  • Prisma
  • FastAPI

Data

  • PostgreSQL
  • MongoDB
  • Redis

DevOps

  • Docker
  • GitHub Actions

Cloud

  • AWS (Amazon S3, Lambda, RDS)
  • Vercel

BaaS

  • Firebase
  • Supabase

Certifications

Relevant credentials and certifications.

Generative Artificial Intelligence Fundamentals

AI PlayGrounds · 2025

View credential

Cybersecurity Fundamentals - Cyber Games Latam 2024

TECSUP · 2024

View credential

Education

Academic background.

  1. Systems Engineering

    2026

    Universidad Peruana de Ciencias Aplicadas (UPC)

  2. Software Design and Development

    2022 — 2024

    TECSUP

Let's Work Together

Have a project in mind? I'd love to hear your ideas and help make them a reality. Let's talk about how we can collaborate.

Contact Information