About Me
Product leader translating technical complexity into seamless developer experiences. Proven record of driving 30%+ productivity gains by combining developer-first principles with strategic AI innovation.
Hello! I'm Mario Guerra, a Technical Product Manager with over 15 years of experience driving innovation in developer tools, APIs, AI-driven solutions, and scalable infrastructure.
Currently at Microsoft, I lead the TypeSpec API Definition Language project, an open-source language that has been adopted by over 30% of Azure services to produce SDKs across multiple programming languages, cutting development and review time by 30%.
I specialize in creating developer-first products that measurably boost productivity and accelerate software delivery. By integrating human-centered design with cutting-edge AI capabilities, I transform complex development workflows into intuitive, efficient, and reliable experiences.

Skills & Expertise
My core technical skills and areas of expertise
Technical Expertise
Product & Leadership
Experience
My professional journey
Senior Product Manager - TypeSpec API Definition Language
2021 - PresentMicrosoft
Leading product vision and strategy for TypeSpec, an open-source API definition language transforming API development. Guiding Azure service teams as a member of the Azure API Stewardship Board, driving best practices for API development. Defining KPIs to measure product success and iterating based on real-world usage.
Principal Software Engineer / Manager
2008 - 2021Qualcomm
Led the development of tools and platforms for Qualcomm's Hexagon DSP, the core of Snapdragon modem and Neural Processing Unit technology. Served as de-facto product manager for Hexagon tools used by first-party software development teams. Improved on-time delivery by 35% through the implementation of data-driven development processes.
Key Projects
Highlights from my portfolio
TypeSpec 1.0 Launch
MicrosoftLed the zero-to-one launch of TypeSpec, delivering an API definition language that achieved 8-10x code reduction and 30% faster review times, delivering measurable developer productivity.
RAG-Enhanced Chatbots with Microsoft Teams Data
Personal ProjectBuilt RAG-enhanced chatbots using Graph API and Azure Foundry, leveraging LLMs to optimize workflows and demonstrate API-driven user support with secure data exchange.
@azure Functionality in GitHub Copilot
MicrosoftContributed to LLM-driven API integrations, enhancing developer productivity through context-aware code suggestions with secure data handling.
AI Document Summarization
Personal ProjectDeveloped an LLM-based solution to summarize large documents, optimizing data pipelines for efficient, secure processing with a sliding window approach.
Let's Connect
Interested in collaborating on API design, developer tools, or AI-powered solutions? Check out my full resume or get in touch.