Phil Denhoff is a pragmatic senior software engineer with nine years of experience building reliable, performance-focused products across frontend and backend stacks from Victoria, BC. He specializes in improving developer experience and user-facing systems—leading migrations (CRA to Vite), shaving 80% off search latency with Postgres full-text search, and reducing core API response times from seconds to ~200ms. Comfortable in TypeScript, Elixir, React Native and Python, he’s shipped full-stack features (loan servicing, Shopify app extensions) and created infrastructure like a TypeScript background job library inspired by Oban. An active open-source contributor, he’s improved Matrix client behavior and testing in the matrix-nio project, demonstrating attention to protocol correctness and edge cases. Phil combines a designer’s sensibility for usable software with a pragmatic focus on measurable impact and maintainable engineering.
9 years of coding experience
5 years of employment as a software developer
Bachelor of Science (B.Sc.) Computer Science, Bachelor of Science (B.Sc.) Computer Science at University of Victoria
Full Stack Web Development Computer Software Engineering, Full Stack Web Development Computer Software Engineering at freeCodeCamp
A Python Matrix client library, designed according to sans I/O (http://sans-io.readthedocs.io/) principles
Role in this project:
Back-end Developer
Contributions:2 reviews, 24 commits, 9 PRs in 7 months
Contributions summary:Phil made significant contributions to the `matrix-nio` client library, focusing on implementing and refining features related to Matrix event handling, particularly read receipts and ephemeral events. The user implemented the `ReadReceiptEvent` and `ReceiptEvent` classes, updating the `MatrixRoom` object to track read receipts. They also addressed bugs related to timestamp handling and improved testing with the addition of comprehensive test cases. These modifications enhanced the client library's functionality and reliability.
Contributions:4 releases, 7 reviews, 52 commits in 5 months
logseq-pluginsveltelogseqraindrop
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Phil Denhoff - Engineer at Everyday Things Software