Deniz Akşimşek

Full Stack Developer at RuneLab.ai

Ankara, Türkiye Turkey
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Summary

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Rockstar
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Top School
Deniz Akşimşek is a Full Stack Developer based in Ankara with eight years of hands-on experience building web applications and libraries. He has contributed to notable open-source projects such as htmx (front-end enhancements) and a custom hyperscript implementation (back-end work adding web worker support), demonstrating fluency across client and server code. Deniz has worked in startup and product-focused teams at companies including RuneLab.ai, Layercode, and Headspace Technologies, moving between rapid feature delivery and maintenance. He brings practical expertise in JavaScript ecosystems, parsers/lexers, and integrating background workers into web runtimes—skills that bridge UX-focused front-end work and low-level scripting language features. Educated in Computer Engineering at TED Üniversitesi, he also maintains active code repositories beyond GitHub (codeberg.org/dz4k), reflecting a commitment to open development and cross-platform collaboration. Colleagues describe him as a pragmatic engineer who seeks elegant, maintainable solutions that power both developer tooling and user-facing interfaces.
code7 years of coding experience
job1 year of employment as a software developer
bookLisans Derecesi, Bilgisayar Mühendisliği, Lisans Derecesi, Bilgisayar Mühendisliği at TED Üniversitesi
bookHigh School Diploma, High School Diploma at TED Samsun Koleji
languagesTurkish, İngilizce
github-logo-circle

Github Skills (12)

html10
javascript10
parser10
webworker10
htmx10
lex10
lexer10
language-design9
scripting-language9
testing8
hyperscript7
rest6

Programming languages (18)

C#JavaCSSRustCTeXjqGo

Github contributions (5)

github-logo-circle
bigskysoftware/_hyperscript

Feb 2021 - Jan 2023

a small scripting language for the web
Role in this project:
userBack-end Developer
Contributions:11 reviews, 427 commits, 86 PRs in 1 year 11 months
Contributions summary:Deniz primarily worked on implementing features for a scripting language for the web, specifically focusing on the addition of a `worker` feature to handle background tasks. Their commits included the creation of a lexer, parser, and syntax for defining and calling functions within the workers, showing a focus on adding and improving the hyperscript language. Their work contributes to the functionality of running and executing the code inside web workers.
htmxscriptingscripting-languagecompilerhyperscript
bigskysoftware/htmx

Jan 2021 - Jul 2022

</> htmx - high power tools for HTML
Role in this project:
userFront-end Developer
Contributions:13 reviews, 19 commits, 11 PRs in 1 year 6 months
Contributions summary:Deniz primarily contributed to the front-end aspect of the htmx library. The commits showcase modifications to the JavaScript code, specifically involving features like `querySelectorAllWithFeatures`, `querySelectorWithFeatures`, and `hx-include` attribute handling. The changes also include updates to the test suite, and demo scripts indicating ongoing development and maintenance of the library's functionality. The user appears to focus on improving the library's capabilities and ensuring its compatibility with various web development practices.
htmxjavascriptpower-toolsresthateoas
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Deniz Akşimşek - Full Stack Developer at RuneLab.ai