Marco Ramírez Resume
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Marco Ramírez

Founding Software Engineer at Helios (YC W23)

I build and ship full-stack products end to end — architecture, backend, frontend, and the workflow automations that hold it together. Previously at Habi and DiDi. Systems Engineering graduate, Universidad de los Andes.

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Marco Ramírez
Experience

Where I've worked

Founding Software Engineer

— Helios (YC W23)

Feb 2026 — Present

  • Shipped full-stack features across back-end, front-end, and workflow automations, contributing to +300% ARR growth in the first 3 months.
  • Owned enterprise integrations end-to-end as sole technical point of contact, closing 2 enterprise accounts and multiple SMBs.

Back-end Developer / Data Analyst

— Habi

Sep 2025 — Feb 2026

  • Engineered back-end services in Python to automate mortgage credit analysis and reporting workflows.
  • Improved user acceptance rate by +10% by refining a proprietary credit risk model, without raising the default rate.

Goal Setting & Tactics Intern

— DiDi

Jun 2024 — Jan 2025

  • Deployed an ensemble of ML models (Random Forest, GBM, SVM) for predictive analytics, cutting manual evaluation latency by +90%.
  • Orchestrated automated ETL pipelines with Python and SQL, reducing reporting cycle times by over 80%.

Participant, UN Datathon 2024

— Amazon Sponsored

Oct 2024

  • Modeled the financial impact of gentrification via geospatial and spatial regression analysis on census data.
Skills

Stack

Languages & Backend

Java Spring Boot Python Django Flask FastAPI SQL

Frontend

React Next.js Astro Tailwind

Databases

PostgreSQL OracleSQL MongoDB Firebase

ML & Data Analysis

Scikit-learn TensorFlow Pandas NumPy Power BI

Cloud & DevOps

Google Cloud AWS Docker Jenkins

Tools

Git Selenium SonarQube
Selected Work

Things I've built

Artigo AI

Artigo AI

AI-powered language learning platform that turns any topic into infinite, personalized reading practice — one-click translation, vocabulary saving, and a spaced review loop.

Live app Watch demo
AIventory

AIventory

Founder

AI-driven SaaS ERP built with Django and Astro, automating predictive inventory and procurement via NLP. Reached $1.2K MRR and cut stockouts for partner companies.

Live site
Local Google Drive Web-App

Local Google Drive Web-App

A locally hosted file storage system mirroring Google Drive, built with Django, Celery, and Redis — easy upload, download, and sharing.

Live app Code
Full Stack Web Application with Web Scraping

Full Stack Web Application with Web Scraping

Flask API backend, Angular frontend, and an integrated web scraper, with data stored in a cloud-hosted MySQL database.

Frontend API Scraper