Kevin Duffey

Co-Founder

United States9 yrs 9 mos experience

Highly Stable

Key Highlights

Led architecture for impactful developer tools at Postman.
Expert in API development and backend architecture.
Visionary leader in integrating AI-assisted workflows.

Stackforce AI infers this person is a SaaS-focused backend architect with deep expertise in API development and tooling.

Contact

Skills

Core Skills

Api DevelopmentBackend DevelopmentCode Generation

Other Skills

GolangContainersGitMicroservicesOpenAPIArazzoRest APIsAPI ArchitectureServerless ComputingSpring BootCommunicationSpring MVCAgile DevelopmentCode ReviewBack-End Web Development

About

Building the future of developer tools through an extensible, plugin-driven architecture that eliminates the need for custom tooling across organizations. Currently working on a stealth project while keeping my options open for the right opportunity. At Postman, I led architecture efforts for experimental code generation systems and platform-wide editor integrations, shaping the future of API development through innovative tooling and standards (OpenAPI, Arazzo). I now pair deep backend expertise with advanced AI-assisted development workflows — integrating tools like Claude, ChatGPT, and Gemini to explore how intelligent automation can streamline design, implementation, and documentation pipelines at scale. Open to: Director of Engineering, Principal/Staff roles, and early-stage startups where I can own products end-to-end, build exceptional engineering teams, and drive technical excellence across any domain

Experience

9 yrs 9 mos

Total Experience

3 yrs 3 mos

Average Tenure

Current Experience

Stealth

Principal Architect & Founder

Jun 2025 – Present · 11 mos · Flexible · Remote

As Founder and Principal Architect, I am defining the technical vision and leading the development of a new platform in the developer tooling space. My focus is on architecting a modern, scalable system designed to fundamentally improve the API development lifecycle and foster a more powerful and intuitive developer experience.

GolangContainersAPI DevelopmentBackend Development

Postman

Senior Tech Lead

May 2019 – Jan 2024 · 4 yrs 8 mos · San Francisco Bay Area · Remote

Led the architecture of a multi-language code generation engine (targeting Go,
Java, Python, etc.) for OpenAPI and Workflows, a cornerstone feature impacting
millions of developers.
Spearheaded the integration of the Monaco Editor into the Postman app,
fundamentally improving the API design and editing experience for a massive
user base.
Played an instrumental role in the OpenAPI Workflows Spec SIG, contributing to
industry-wide standards and solidifying Postman's position as a thought leader.

GitMicroservicesAPI DevelopmentCode Generation

Younite, inc.

Principal Engineer

Nov 2016 – Oct 2018 · 1 yr 11 mos · Flexible · Remote

Architected the core YOUnite platform, designing a robust monolithic application
(JEE) that communicated with a distributed network of edge adapter services.
Authored and enforced company-wide REST API design guidelines using RAML,
establishing an API-first culture that streamlined development.