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About

Filip Mares
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I am a Principal Software Engineer at Microsoft, based in the San Francisco Bay Area, with 15+ years shipping web, mobile, and AI-powered products at scale. My work lives at the intersection of human-computer interaction, artificial intelligence, and low-code platforms.

Most recently, I've been building App Builder within Microsoft 365 Copilot — giving people an intuitive, agentic experience to create secure, governable, and sharable productivity apps at enterprise scale. I led its live app preview for the Microsoft Ignite 2025 launch.

Prior to this, I led UX engineering for Power Apps Agent Builder, which grew into the largest source of Copilot agents in Microsoft Copilot Studio, and managed the teams behind Power Apps App Copilot and multiplayer collaboration — with App Copilot going on to power Dynamics 365 Copilot for Sales at over 500K monthly active users. Earlier, I guided the front-end team for Lobe, a project incubated in the Office of the CTO to democratize machine learning.

Before Microsoft, I was a founding engineer at Talko (acquired by Microsoft) and a founding engineer and web lead at Pulse (acquired by LinkedIn), where I built the reading view that served news to 20M+ users across mobile and web.

Location San Francisco Bay Area, CA
Experience 15+ years building products
Expertise React, TypeScript, Python, AI & LLMs
Education B.Eng, Computer Systems Engineering · Carleton University