Khaled Al-hassanieh - Director, Quantitative Engineering

Khaled Al-hassanieh

Director, Quantitative Engineering

Hong Kong Island, Hong Kong, China

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Summary

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Rockstar

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Top School

Khaled Al-hassanieh is a Director of Quantitative Engineering with 13 years of experience designing high-performance C++ systems that blend machine learning, mathematical modeling, and production-grade backend engineering. He progressed from postdoctoral research in national labs to senior roles at Block.one and Bullish, translating deep scientific training (PhD in Physics) into scalable fintech and blockchain infrastructure. Khaled has contributed to prominent open-source EOSIO projects, implementing core smart-contract primitives and rigorous RAM/REX tests that reflect his attention to correctness and systems-level thinking. Based in Hong Kong, he combines quantitative rigor with practical product delivery, often surfacing subtle validation and precision issues early in the development cycle. Colleagues describe him as a hands-on leader who moves fluidly between code, models, and team strategy.

13 years of coding experience

13 years of employment as a software developer

Doctor of Philosophy (PhD) Physics, Doctor of Philosophy (PhD) Physics at Florida State University

Certificate C++ Programming, Certificate C++ Programming at University of Washington

Bachelor of Science (BS) Chemistry, Bachelor of Science (BS) Chemistry at American University of Beirut

Github Skills (6)

eosio10

smart-contracts10

c-language10

cprogramming-language10

blockchain10

testing10

Programming languages (3)

C++WebAssemblyAssembly

Github contributions (5)

EOSIO/eosio.contracts

May 2019 - Dec 2019

Smart contracts that provide some of the basic functions of the EOSIO blockchain

Role in this project:

Back-end Developer

Contributions:56 commits, 45 PRs, 193 pushes in 6 months

Contributions summary:Khaled's commits primarily focus on enhancements and testing related to the smart contracts within the EOSIO ecosystem. Their work involves in-depth testing of RAM operations, including buying and selling RAM, and implementing features like `buyrambytes` with more accurate input parameters. The user also made significant changes to REX (Resource Exchange) related code and tests, introducing and refining functionalities tied to lending and resource allocation within the EOSIO blockchain. These changes span across multiple files, indicating a wide scope within the smart contract functionality.

ethereumblockchainsolidityeosiosmart-contracts

EOSIO/eos

Jan 2018 - May 2019

An open source smart contract platform

Role in this project:

Back-end Developer

Contributions:226 commits, 48 PRs, 153 pushes in 1 year 3 months

Contributions summary:Khaled contributed to the development of core functionalities of the smart contract platform by implementing a "symbol class". The code differences show the creation and modification of the `symbol.hpp` and `asset.cpp` files, including functionality for converting between strings and symbols, defining precision, and creating string representations of symbols. The user's work also involved implementing name validation and unit tests for the symbol class.

smart-contractblockchain-platformethereumcontractblockchain

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