Maximilian Tagher
Chief Technology Officer at Mercury
San Francisco, California, United States
Summary
🤩
Rockstar🎓
Top SchoolMaximilian Tagher is a hands-on Chief Technology Officer based in San Francisco with 13 years of engineering experience building reliable web platforms and APIs. He leads tech at Mercury since 2017 after a six-year engineering tenure at Heyzap, blending executive strategy with ongoing contributions to open-source tooling. His practical back-end expertise is rooted in Haskell and systems work—he has improved core libraries like yesod, wai, and http-client, optimizing database interactions and developer ergonomics. He also contributes to iOS testing tooling, showing cross-platform fluency beyond his primary server-side focus. Colleagues value him for turning subtle maintenance and deprecation issues into long-lived fixes that reduce technical debt while enabling safer, higher-performance releases.
13 years of coding experience
6 years of employment as a software developer
Western Kentucky University
Github Skills (28)
objective-c10
middleware10
ios10
testing10
yesod10
http-conduit10
forms10
use-form10
stubbing10
http-client10
mocks10
mocker10
ohhttpstubs10
mocking10
web-framework10
Programming languages (17)
Github contributions (5)
yesodweb/persistent
Jul 2014 - Nov 2020
Persistence interface for Haskell allowing multiple storage methods.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 reviews, 149 commits, 86 PRs in 6 years 5 months
Contributions summary:Maximilian primarily contributed to bug fixes and minor improvements within the `persistent` project, which focuses on a persistence interface for Haskell. Their work involved addressing typos and inconsistencies across various database backend implementations like MySQL, PostgreSQL, and MongoDB. The user also updated dependencies and made code changes to utilize SqlBackend instead of a deprecated synonym, improving code maintainability and addressing deprecation warnings. Additionally, they optimized the `insertMany` function using Postgres's RETURNING capability.
haskellpersistencestorage
yesodweb/yesod
Jun 2014 - Oct 2020
A RESTful Haskell web framework built on WAI.
Role in this project:Back-end Developer
Back-end DeveloperContributions:127 commits, 62 PRs, 81 pushes in 6 years 5 months
Contributions summary:Maximilian primarily focused on improving the `yesodweb/yesod` web framework, specifically addressing package name validation and form handling. Their commits demonstrate a shift to more robust package name validation using Cabal's libraries. Additionally, the user implemented enhancements to form components, such as adding the `required` attribute to `textareaFields` and fixing related documentation and code formatting, showing a focus on user experience and usability within the framework.
apirestfulhaskellframeworkwebframework
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