Jeffrey Wilcke
Game Developer at Grid Games
Amsterdam, North Holland, Netherlands
Summary
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RockstarJeffrey Wilcke is a seasoned game developer and entrepreneur based in Amsterdam with 12 years of experience building software that spans gameplay, tooling, and blockchain infrastructure. As founder of Grid-Games and an early contributor to Ethereum and Go ecosystems, he blends systems-level C/C++ work with TypeScript full-stack development. His open-source contributions include significant changes to web3.js and the Aleth Ethereum client, adding provider interfaces, JSON-RPC integrations, and WebSocket/Qt support that enable richer blockchain interactions. He’s also worked on core ethash components, debugging pointer casts and optimizing DAG and PoW search logic—an uncommon cross-section of game and consensus-code expertise. Comfortable refactoring libraries and shipping protocol-level features, Jeffrey brings an unusual combination of gameplay sensibility and deep blockchain internals knowledge.
12 years of coding experience
Github Skills (22)
json-rpc10
javascript10
c-language10
evm10
typescript10
websocket10
c1110
c1710
go10
web3js10
ethereum10
typescript-types10
smart-contracts10
typescripts10
cprogramming-language10
Programming languages (14)
Github contributions (5)
ethereum/ethash
Feb 2015 - Apr 2016
Role in this project:
Back-end Developer
Back-end DeveloperContributions:36 commits, 11 PRs, 26 pushes in 1 year 1 month
Contributions summary:Jeffrey's commits focus on fixing tests and addressing pointer casting issues within the ethash codebase. Their work involves modifying core files such as `ethash.go` and `libethash/internal.c`, indicating involvement in the underlying logic and the C bindings of the ethash Proof of Work (PoW) algorithm. The user has also made changes related to the PoW search function and DAG generation, optimizing the core algorithm.
web3/web3.js
Jan 2015 - Jul 2016
Collection of comprehensive TypeScript libraries for Interaction with the Ethereum JSON RPC API and utility functions.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:1 PR, 2 pushes, 2 branches in 1 year 6 months
Contributions summary:Jeffrey primarily focused on adding and updating Ethereum JSON RPC API interactions within the `web3.js` library. They implemented eth provider interfaces and expanded the capabilities of the library to interact with the Ethereum blockchain. This included adding methods for transactions, compilation, and various state queries. The changes also involved refactoring code and updating the library's structure to align with a new Generic JSON RPC API.
apiswarmwhisperethereumjavascript
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