Projects

Things I build on my own time — mostly trading systems and infrastructure tooling.

Trading engine for Kalshi BTC binary markets: backtest, paper, and live modes, YAML-defined strategies, O(1) incremental indicators.

Cross-exchange arbitrage bot for Kalshi × Polymarket with fee-aware scoring and a persistent-hedge state machine per coin.

openclaw

CloudFormation · Shell

One-command CloudFormation stack for a self-provisioning automation VM: EC2, Secrets Manager, and Tailscale.

FinOps utility that splits a shared database server's cost across its tenant databases for per-team accountability.

juanjo.be

TypeScript · CloudFormation

This site: static Next.js on S3 + CloudFront, raw CloudFormation, OIDC deploys, PR previews, 100% coverage gate, ADRs.