Kosie Van Der Merwe
Master Data Developer
Western Cape, South Africa
Summary
👤
Senior🎓
Top SchoolKosie Van Der Merwe is a Master Data Developer with 16 years' experience building and supporting trade and back-office integrations across asset management environments. He has deep hands-on expertise with Markit EDM and SmartStream Trade applications, designing master-data workflows, integration pipelines to front-office systems and SWIFT, and leading release and support processes using Agile. Comfortable with Python, PowerShell and MS SQL, Kosie bridges business requirements and technical delivery—translating complex trade rules into robust, auditable solutions. He has managed small teams and owned end-to-end integration products for brokers and investment managers, consistently improving data quality and exception handling. An often-overlooked strength is his low-level systems acumen: contributions to the RocksDB codebase show comfort with bit-level data handling and database internals, reflecting an ability to optimise both application and core-data layers. Based in the Western Cape, South Africa, he combines institutional finance domain knowledge with practical engineering discipline.
16 years of coding experience
9 years of employment as a software developer
Diploma in Information Technology, Diploma in Information Technology at Technikon of South AfricaPorterville High School
Github Skills (9)
data-structures10
databases10
algorithms10
storage-engine10
c-language10
cprogramming-language10
data-structure10
database10
testing9
Programming languages (3)
Github contributions (5)
facebook/rocksdb
Dec 2012 - Jan 2013
A library that provides an embeddable, persistent key-value store for fast storage.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 commits in 1 month
Contributions summary:Kosie contributed to the RocksDB project by implementing new methods for bit stream manipulation, enhancing the database's ability to handle small integers. They added and tested functions for writing and reading integers of arbitrary bit sizes, demonstrating a focus on low-level data handling and optimization. The user also addressed bugs in the test suite, improved error messages, and added support for a meta-database, extending the functionality of the database. These contributions indicate expertise in core database implementation and testing.
persistent-storagebigtablefast-storagelsm-treedatabase
bawNg/pyWerewolf
Jul 2009 - Jul 2009
Contributions:64 commits in 4 days
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