Matt Fellows is a Principal Product Manager and co-founder-turned-leader with 14 years of experience driving developer-focused API and contract-testing products from startup to global scale. He leads PactFlow at SmartBear, owning vision and go-to-market strategy that delivered 4× revenue growth while embedding contract testing across SmartBear’s API lifecycle. A hands-on engineer at heart, Matt remains an active maintainer and contributor to Pact across JS, Go and broker projects—bringing deep expertise in consumer-driven contract testing, tooling, and CI integrations. He combines product strategy, open-core community stewardship, and practical engineering (including workshops and core library work) to make deployments less risky and more routine. Based in Melbourne, he pairs a cognitive-science-informed approach to UX with pragmatic DevOps and automation experience, and has a track record of shipping developer-first features such as AI-assisted testing and broker integrations.
14 years of coding experience
19 years of employment as a software developer
Billanook College
Cognitive Science / Computer Science, Computer Science, Psychology, Usability, Cognitive Science / Computer Science, Computer Science, Psychology, Usability at La Trobe University
Contributions:4 reviews, 330 commits, 16 PRs in 2 years 11 months
Contributions summary:Matt primarily focused on developing and maintaining the Pact testing framework within the JavaScript-based workshop repository. Their contributions include debugging and refactoring asynchronous code in Jest lifecycle hooks, configuring and updating the Pact broker integration, and resolving port conflicts. Furthermore, the user updated and refactored the test suite by incorporating the latest Pact versions and adjusting the unit tests to match Pact test specifications. This indicates a strong focus on ensuring the workshop's functionality and alignment with the latest Pact standards.
JS version of Pact. Pact is a contract testing framework for HTTP APIs and non-HTTP asynchronous messaging systems.
Role in this project:
Back-end Developer
Contributions:135 releases, 48 reviews, 1056 commits in 6 years 8 months
Contributions summary:Matt primarily improved the documentation coverage for the pact-js project, updating comments and descriptions within several files. They also added example code to demonstrate a serverless SNS example, which involved creating functions. Additionally, the user integrated support for request filtering and consumer/provider versioning, indicating contributions to the overall API and integration setup.
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Matt Fellows - Principal Product Manager (PactFlow) at SmartBear