Jakub Korzeniowski
Director, Platform
Dubai, Dubai, United Arab Emirates
Summary
👤
Senior🎓
Top SchoolJakub Korzeniowski is a product-focused platform leader with 11 years of experience building data and web platforms, now serving as Director, Platform at Vortexa after progressing from Lead Developer to Head of Data Services. He combines hands-on engineering — including contributions to high-profile open-source projects like TypeScript and the type-safe Spark library frameless — with people and platform leadership to scale data services in a fast-moving startup. Based in Dubai and trained in mechatronics and robotics at AGH University of Krakow, he brings a systems-minded approach that blends low-level type-safety improvements with large-scale data engineering. Colleagues rely on him to harden critical pipelines and shipping-quality SDKs while maintaining rigorous testing and error-handling practices.
11 years of coding experience
8 years of employment as a software developer
Mechatronics Robotics and Automation Engineering, Mechatronics Robotics and Automation Engineering at AGH University of Krakow
Polish, English, German
Github Skills (18)
unit-testing10
javascript10
spark10
type-check10
compiler-development10
testing10
typescript10
scala10
typescript-types10
functional-programming10
type-checking10
typescripts10
language-design9
data-structures8
data-structure8
Programming languages (15)
Github contributions (5)
typelevel/frameless
Jan 2019 - Jan 2019
Expressive types for Spark.
Role in this project:
Back-end Developer & QA Engineer
Back-end Developer & QA EngineerContributions:5 commits, 2 PRs, 11 comments in 25 days
Contributions summary:Jakub primarily focused on enhancing the `frameless` library with date and time functions, implementing and testing the integration of these features. Their work included adding new functions for extracting date/time components and writing unit tests to ensure their accuracy. Furthermore, the user added schema tests for various join types, increasing the robustness of the library. The commits demonstrate a focus on expanding the library's functionality and validating its correctness through comprehensive testing.
functional-programmingspark-mlexpressivesparkscala
microsoft/TypeScript
Dec 2017 - Dec 2017
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
Role in this project:Back-end Developer
Back-end DeveloperContributions:5 commits, 1 PR, 25 comments in 4 days
Contributions summary:Jakub contributed to the TypeScript compiler by improving error messages related to index signature parameters. They addressed issues related to type aliases, union types, and numeric literals within index signatures. These changes included modifying the compiler's error-checking logic and updating the test cases to reflect the corrected behavior. The user's work primarily focused on refining the type system and ensuring its accuracy.
typecheckerjavascriptcleantype-checksuperset
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