Evan Mattson
Principal Software Engineer·Microsoft
I build tools for AI agents. My work spans framework design, SDKs, and multi-agent orchestration.
◆ Seoul, South Korea
01 // Projects
Agent Framework SDK
Core developer on Microsoft's Agent Framework SDK, shipping it to General availability. I focus on multi-agent workflows, orchestration, and developer-first APIs.
View on GitHub →Dozi Baby Monitor
An iOS baby monitor with real-time audio and background alerts. The interface is simple, quiet, and designed for peace of mind.
TrueFast
A clean intermittent fasting timer for iPhone, iPad, and Apple Watch. It includes widgets, Live Activities, schedules, history, and local-first data.
Pathwyze
A retirement planning tool built around probability, not single-point forecasts. It uses Monte Carlo simulations and scenario testing to show which choices change the odds.
Visit Pathwyze →Published Research
Carbon nanotube adsorption studies. The work connects materials science with computational modeling.
View abstract →Green Lighting China
Keynote speaker at the Green Lighting China Forum in 2014. I presented on sustainable technology and energy-efficient systems.
02 // Blog
03 // About
Principal Software Engineer in Microsoft's CoreAI Tools and Platform organization, based in Seoul. I build developer tools and infrastructure for AI systems. That work spans agent frameworks, SDKs, and developer experiences.
My background spans platform engineering, cloud infrastructure, and AI systems. I care about tools that help developers move from experiments to reliable production software.
Languages
04 // Experience
2024 — Present
Principal Software Engineer
Microsoft · CoreAI Tools and Platform · Seoul, South Korea
- Driving AI developer tools and infrastructure in the CoreAI organization
- Contributing to the Microsoft Agent Framework SDK, reaching Release Candidate milestone
- Building developer experiences for AI-powered multi-agent workflows
2021 — 2024
Senior Software Engineer
Microsoft · Redmond, WA
- Platform engineering and developer tools
- Cloud infrastructure and service architecture
2013 — 2021
Earlier Career
New York, NY · Various Roles
- Engineering and technical leadership across multiple domains
- Keynote speaker at Green Lighting China Forum (2014)
05 // Skills
AI & Machine Learning
Languages & Frameworks
Cloud & Infrastructure
Developer Experience
06 // Education
M.S. Computer Science / Artificial Intelligence
Johns Hopkins Whiting School of Engineering
2022 — 2026 (Expected)
B.S. Physics
University of Washington, Seattle
2007 — 2011
07 // Contact
Interested in collaborating or just want to say hello? I'm always open to connecting with people working on interesting problems.