Andrés Ortega

Available for new projects

I build real-time products and the systems that keep them running.

Senior backend and platform engineer with 9 years across fintech, e-health and startups. Founder of EDHPlay, a multiplayer web simulator with 175,000+ players.

Work

EDHPlay 175K+ players
A multiplayer card game simulator you play in the browser. I built the real-time game engine on FastAPI and WebSockets, the deck builder and the infrastructure. 65K monthly players, 20K on Discord.
Taste-This 10K users in 48h
Restaurant discovery that ranks dishes, not restaurants, using LLMs to read what reviews say about each plate.
FlashNotes Open source
A flashcard platform for learning.

Experience

EDHPlay, founder and lead engineer2025 – now
Business Radar, software engineer2025
Independent developer2024 – now
Therapieland, backend developer2019 – 2024
BBVA, backend developer2018 – 2019
Redsys, backend developer2017 – 2018

How I can help

Founding engineerTake a product from first commit to launch, owning architecture, backend, frontend and infrastructure.
AI features in productionLLM pipelines that extract and rank data, wired into real products, with routing across models to keep API costs down.
Cloud infrastructure as codeAWS and GCP with Terraform, Docker and Kubernetes, CI/CD, and deploys without downtime.
Performance and costFaster Postgres queries, background jobs that stay up, load testing with Locust, and smaller cloud bills.
Real-time and data at scaleMultiplayer and live features over WebSockets, and ingestion pipelines handling millions of documents a day.
Regulated systemsCard payments at Redsys and BBVA, and a GDPR-compliant e-health platform at 99.9% uptime.

Contact

Have a project in mind? I'd like to hear about it.