Danyaal Khan is a software developer with 9 years' experience, currently building backend systems at Squarepoint and grounded in a BSc in Computer Science (Artificial Intelligence) from King’s College London. He is a practical .NET developer who champions SOLID, design patterns and agile practices to deliver maintainable, production-grade solutions. Danyaal has a track record of contributing to notable open-source projects—enhancing the C# implementation of Apache Arrow by improving schema access, decimal array utilities, and timestamp correctness—which reflects his focus on core data structures and correctness. He has experience mentoring and leading technical initiatives, having supervised AI research and led technology for a university ML society that ran projects and workshops. Known for combining creative problem-solving with attention to edge cases, he seeks novel technologies to tackle challenging engineering problems.
9 years of coding experience
2 years of employment as a software developer
Bachelor of Science (Hons) Computer Science (Artificial Intelligence), Bachelor of Science (Hons) Computer Science (Artificial Intelligence) at King's College London
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
Role in this project:
Back-end Developer
Contributions:6 reviews, 5 PRs, 15 comments in 10 months
Contributions summary:Danyaal's contributions center on enhancing the C# implementation of Apache Arrow. They've focused on improving the Schema class by adding a square bracket operator for accessing fields, allowing fields with duplicate names, and deprecating and replacing the existing `Fields` property with `FieldsList` and `FieldsLookup`. They also implemented methods like `ToList()` for `Decimal128Array` and `Decimal256Array`, alongside correcting potential overflow issues in timestamp conversions. Their work primarily targets the core functionality of the library, focusing on data structures and data access methods.
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