HarrisTime.ca: Arena Scheduling & Digital Signage
After building venues on the client's legacy arena-scheduling system, I rescued it: traced a runaway Firebase bill to queries loading the entire database history and cut it from $2,353 to $6.49 a month. That fix earned a much bigger mandate: rebuilding the platform from scratch as a multi-venue system driving live digital signage on 30+ screens across 17 facilities for 10 client organizations, including municipalities, across Canada, with an LLM scheduling assistant on Gemini that turns plain-language requests into validated bookings, a field-tested ESP32 horn controller, and automated schedule sync from league websites. Owned it end-to-end across 478 commits and 175 tests gating CI, shipped as Docker images on Google Cloud Run. Migrated incrementally with zero downtime: legacy screens stayed live alongside the new system, and the client has since expanded to Whitby's four arenas and more.
Inside: The Rescue · The Rebuild · In Production
Hiring? Shared only with hiring teams, to protect client confidentiality.
Tur.com: Hybrid Search, Payments & Performance
Built core features of a multi-tenant travel marketplace live in 10 countries, on a custom Go backend with PostgreSQL, MongoDB and AWS. I designed its hybrid semantic search, combining vector and keyword search on Elasticsearch with OpenAI embeddings, so natural phrases find the right tours and the most relevant results come first. It's live in production: empty searches went from 31 to 0 in evaluation, and I validated a later typo-tolerance fix by replaying 3,662 real searches. I also built a self-service backoffice that replaced a developer-dependent workflow, led a performance investigation that raised real Lighthouse scores at release (mobile 43 → 61, desktop 74 → 91), and shipped tiered installment payments. All of it went out across 78 pull requests and 4 repositories, backward-compatible on 45 live pages in Chile, Argentina, Peru, Colombia, Brazil, the United States, Costa Rica, Mexico, Uruguay and Bolivia.
Inside: Landing Redesign & Backoffice · Hybrid Search · Payments & Financing · Performance · Root-Cause Fixes
Hiring? Shared only with hiring teams, to protect client confidentiality.
Lit: A Curated Influencer Marketplace
Lead engineer behind Lit, a curated influencer marketplace featured by Forbes. Think Airbnb, but brands list events instead of apartments: creators apply, brands approve them by their audience metrics, a chat opens with the campaign brief, the app validates each creator's QR code at the door, and brands approve the content posted afterwards. I took an unfinished draft from an outside team and built the product end to end, through its launch on Google Play and the App Store, with Mercado Pago plans, a Next.js admin panel for curation and the marketing website.
Inside: The Takeover · The Marketplace · Running the Business · Launch
Hiring? Shared only with hiring teams, to protect client confidentiality.
Autonomous Remediation Agent for SDLC Compliance
Designed with the CTO of a US platform for SDLC compliance in the AI era. When a deployment gate blocks a non-compliant release, my agent turns the incident into a finished, assigned training plan for the people involved, the same day, closing the loop between compliance failures and the skills that caused them. It acts only through narrow MCP tools under the identity of whoever triggered it, never leaves anything half-created, and says so when it can't produce a safe result instead of inventing one.
Inside: The Problem · The Agent · Safety Guarantees · The Platform Underneath
Hiring? Shared only with hiring teams, to protect client confidentiality.
OurBlock: AI-Powered Security Platform
24/7 AI camera-security platform for residential, commercial and rural properties, built end-to-end as solo founder and live in production on a rural property, with every module running. Every motion event lights up the guard cabin within a second; FFmpeg pulls the frame from the camera's RTSP stream, a vision model separates real threats from false positives, describes each event in one sentence spoken through ElevenLabs and escalates people or vehicles to a critical alert, while a RAG search and a tool-calling agent answer natural-language investigations over the event log. It all runs on a Node.js backend on a single mini PC on site, with no database server.
Inside: The Product · The AI · Video & Infrastructure · From Simulator to the Field · In the Field
Kept private because it's a live security system protecting a real property. Hiring?
Automated Code Review Agent
For a client that asked to remain confidential, I turned the team's unwritten review standards into an explicit knowledge base by mining 750+ PR comments across 1,300+ pull requests, then encoded it into a self-gating Claude Code skill that reviews real, open PRs from the team and cross-references sibling code for repeated bugs. On live reviews, the skill does the breadth and I trace what it surfaces down to the root cause.
Inside: Mining Team Conventions · The Review Agent · Safety Constraints · Real PR Reviews · A Live Review
Hiring? Shared only with hiring teams, to protect client confidentiality.
Available for senior full-stack & AI roles · Remote or Buenos Aires · Open to contract or full-time
Working with clients in the US, Canada & Chile · English & Spanish
Available for senior full-stack & AI rolesRemote or Buenos Aires · Contract or full-timeClients in the US, Canada & Chile · English & Spanish