Mustafa Akur
Software Engineer at synnada-ai
Summary
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RockstarMustafa Akur is a software engineer with three years of hands-on experience building backend systems and data tooling, currently contributing at Synnada. He is an active open-source contributor to the Apache DataFusion project, where he improved SQL window-frame support (including timestamps and type coercion), refactored built-in window functions, and boosted query performance and error messaging. Mustafa combines practical data engineering instincts with backend development chops, focusing on clean, high-performance code for analytical workloads. Based in Turkey, he brings a pragmatic approach to solving complex query-engine problems and a demonstrated ability to improve both correctness and speed in production-grade systems.
3 years of coding experience
Github Skills (6)
fusion10
query-optimization10
rust10
window-functions10
sql10
data-engineering9
Programming languages (4)
Github contributions (5)
apache/datafusion
Oct 2022 - Jan 2023
Apache DataFusion SQL Query Engine
Role in this project:
Back-end Developer & Data Engineer
Back-end Developer & Data EngineerContributions:539 reviews, 13 commits, 259 PRs in 3 months
Contributions summary:Mustafa made several significant contributions, focusing on enhancing the performance and capabilities of the Apache DataFusion SQL Query Engine. They worked on adding support for non-u64 types for window frames, including timestamp handling and type coercion. Further contributions included extending custom window frame support to built-in window functions and improving error messaging for LAG and LEAD functions. Moreover, they streamlined the codebase by refactoring built-in window functions and enhancing the performance of several operations.
querypythonquery-enginedataframerust
synnada-ai/arrow-datafusion
Jan 2023 - Mar 2023
Apache Arrow DataFusion SQL Query Engine
Contributions:343 reviews, 136 commits, 237 PRs in 2 months
queryquery-enginearrow-datafusionsqldatafusion
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