Software Engineer

mabl (06/2021 - Present)

Responsibilities

• Building AI agents that author, run and repair end-to-end tests, and the mabl MCP integration that lets AI agents create, run and debug tests on the platform.
• Migrated the core test-execution engine to Playwright, improving functionality and cross-browser support.
• Led the migration of 8 production codebases to a unified package manager.

Author & External Contributor, Playwright for .NET

Microsoft (01/2020 - 06/2021, contract)

Responsibilities

• Built the .NET port of Playwright and handed it over as Microsoft's official library.

.NET Team Lead

MultiTracks.com (01/2019 - 05/2021)

Responsibilities

• Led the API migration to .NET Core, and the annual subscriptions project.

Senior .NET Developer

MultiTracks.com (01/2015 - 12/2019)

Responsibilities

• Owned the multi-lingual, multi-currency and subscriptions projects on a high-traffic public site.

Team Leader / Software Architect

EMMSA Consulting (03/2009 - 12/2014)

Responsibilities

• Responsible for the coding standards, frameworks and architecture used by every team in the company, and for coaching developers through the process.
• Built a code generator that improved junior developers’ productivity by 300%.
• Part of the team that implemented the ISO certification and Scrum.

Senior Developer

EMM S.A. Consulting (2001 - 2008)

Responsibilities

• Desktop and Web .NET developer using MS SQL Server and Oracle databases, for clients including Kraft Foods, Liberty Seguros and Ledesma.

Degree in Computer Science

UADE

03/2001 - 12/2016

• English: Bilingual Proficiency
• Spanish: Native Proficiency
• French: Elementary Proficiency

Puppeteer-Sharp

Author & Maintainer

.NET version of Google's Puppeteer testing and automation library
36M+ downloads, 3.9k GitHub Stars

Microsoft Playwright for .NET

Author of the original Playwright-Sharp, donated to Microsoft

.NET version of the Playwright testing and automation library, now maintained by Microsoft.
58M+ downloads, 2.9k GitHub Stars

Cronito

Author

A friendlier cron for scheduling recurring work with coding agents.

Microsoft MVP

2020 - 2026 (7 consecutive years)

Claude Certified Architect — Foundations

Anthropic (2026)

Stack Overflow

22k+ reputation answering web automation questions

Book: UI Testing with Puppeteer

PacktPub (2021)