Esteban Hirzfeld

Esteban Hirzfeld

About

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Analista de Sistemas | Backend · Arquitectura · Automatización | Python · Java · TypeScript
Buenos Aires, Argentina

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Résumé


Jobs verified_user 0% verified
  • G
    Data Operations Analyst
    GRUPO NEORED SA
    Aug 2024 - Current (1 year 11 months)
    Process and validate hundreds of daily product records from multiple formats (Excel, PDF) ensuring data integrity before loading into Odoo ERP system. Developed Python scripts (Playwright, Pandas, Pillow) to automate repetitive data processing tasks, reducing processing time and minimizing manual errors. Collaborate cross-functionally to maintain catalog quality standards and implement data enrichment processes. Demonstrated initiative by creating reusable automation tools and documented workflows for potential team adoption.
  • Coderhouse
    Instructor & Course Coordinator (promoted from Tutor → Coordinator → Senior Instructor)
    Coderhouse
    Jun 2022 - Mar 2026 (3 years 10 months)
    Scaled through three roles driven by student outcomes. Taught 1,500+ students across 15 cohorts in React, Node.js, JavaScript, and Python/Django — maintaining a 4.8/5 rating and 90% graduation rate. Coordinated parallel commissions (80–200 students each), mentored 30+ instructors on technical best practices, and built Boom Recorder: an internal video feedback tool with screen capture, automatic cloud upload, and sharing — eliminating manual code review delivery. Stack: React · Redux · Node.js · Python/Django · JavaScript
  • Freelancer.com
    Desarrollador Full-Stack · Proyectos Independientes
    Freelancer.com
    Jun 2021 - Mar 2026 (4 years 10 months)
    I designed and developed production-ready systems outside of my formal employment: a full-stack TikTok clone (Next.js + Django REST + Elasticsearch + Redis), a Django API boilerplate with Docker, Celery, Mailhog, and Nginx used as a foundation for my own projects, and a Chrome extension for YouTube automation. I applied SSR optimization patterns, caching strategies, asynchronous task queues, and containerized deployments across all projects. Stack: Next.js · Django · PostgreSQL · Redis · Celery · Docker · Elasticsearch
  • YouTube
    Founder & Content Creator · 165K+ Subscribers
    YouTube
    May 2020 - Jun 2021 (1 year 2 months)
    Head of Marketing Strategies Competitor Analysis Copywriting Content optimization (SEO) Creation and editing of audiovisual content
  • Mercado Libre
    eCommerce Owner & Operator
    Mercado Libre
    Jan 2015 - Sep 2016 (1 year 9 months)
    Launched and operated an independent eCommerce business at 15 years old. Managed inventory, customer service, logistics, and product copywriting, optimizing listings to maximize conversion. First hands-on experience building something from scratch and making it work.
Education verified_user 0% verified
  • Escuela Da Vinci
    Systems Analyst
    Escuela Da Vinci
    Mar 2023 - Current (3 years 4 months)
    Three-year technical degree focused on software development, databases, and IT systems management. Coursework included object-oriented programming (Java, C#, PHP), web development (HTML5, CSS3, JavaScript), mobile apps (Android), relational databases (SQL Server, MySQL, Oracle), UML, agile methodologies, and cybersecurity fundamentals. Complemented with special workshops on AI, Machine Learning, and Python.
  • Henry
    Fullstack Web Developer, Web Developer
    Henry
    May 2022 - Jun 2022 (2 months)
    Full Stack Developer | JavaScript, HTML, CSS | ReactJS and Redux | NodeJS and ExpressJS | PostgreSQL & Sequelize +800 hours of programming, Fulfilling daily tasks full time, and both individual and group projects
  • Coderhouse
    Full Stack Developer ( MERN Stack )
    Coderhouse
    Sep 2021 - Dec 2021 (4 months)
    MongoDB, Firebase, MySQL, PostgreSQL React, Redux Tailwind Components, Bootstrap Express, NodeJS ES5, ES6+
  • Coderhouse
    Python
    Coderhouse
    Mar 2021 - Jul 2022 (1 year 5 months)
    Django, Web Scraping POO,
  • Coderhouse
    Python, Python Django Backend
    Coderhouse
    Mar 2021 - Jun 2021 (4 months)
Projects (professional or personal) verified_user 0% verified
  • Freelancer
    TikTok - Clone
    Freelancer
    Dec 2023 - Jan 2024 (2 months)
  • W
    Web Scraping based e-Commerce (Django | PostgreSQL + Redis)
    Women Who lEAD
    Jun 2022 - Jun 2023 (1 year 1 month)
  • T
    Programming Course Coordinator
    The Weymouth Club
    Jun 2021 - Current (5 years 1 month)