Hello, I'm

Evan Mattson

Principal Software Engineer·Microsoft

Building tools that help developers work with AI agents — from framework design to multi-agent orchestration.

Seoul, South Korea

Agent Framework SDK

Core developer on Microsoft's Agent Framework SDK, shipping it to Release Candidate. Multi-agent workflow support, orchestration capabilities, and developer-first API design.

AI Agents SDK TypeScript Open Source
View on GitHub →

Pathwyze

A retirement planning tool that uses probabilistic modeling over single-point forecasts. Monte Carlo simulations, scenario comparison, and decision testing to show how likely your money is to last—and which decisions change those odds.

Next.js React Finance SaaS
Visit Pathwyze →

Published Research

Carbon nanotube adsorption studies—research at the intersection of materials science and computational modeling.

Research Materials Science Publication
View abstract →

Green Lighting China

Keynote speaker at the Green Lighting China Forum (2014), presenting on sustainable technology and energy-efficient solutions.

Speaking Energy Sustainability

Principal Software Engineer in Microsoft's CoreAI Tools and Platform organization, based in Seoul. I build developer tools and infrastructure that make AI accessible and powerful—from agent frameworks to developer experiences that shape how people build with AI.

With a background spanning platform engineering, cloud infrastructure, and AI systems, I'm driven by the challenge of creating tools that help developers build what's next.

Languages

EnglishNative
SpanishNative / Bilingual
FrenchNative / Bilingual
KoreanWorking Proficiency

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)
Difference Maker Award — 2013, 2015

AI & Machine Learning

Large Language Models Agent Frameworks AI Infrastructure Multi-Agent Systems ML Pipelines

Languages & Frameworks

TypeScript Python C# .NET Node.js React

Cloud & Infrastructure

Azure Cloud Architecture Platform Engineering CI/CD Distributed Systems

Developer Experience

SDK Design API Design Developer Tools Technical Writing Open Source

M.S. Computer Science / Artificial Intelligence

Johns Hopkins Whiting School of Engineering

2022 — 2026

Bachelor's Degree

University — Update with your institution

2007 — 2011

Interested in collaborating or just want to say hello? I'm always open to connecting with people working on interesting problems.