Petar Penović
Software Developer at Fortuna Entertainment Group
Croatia
Summary
🤩
Rockstar🎓
Top SchoolPetar Penović is a software developer with 11 years of experience building full-stack JavaScript applications, currently contributing at Fortuna Entertainment Group from Croatia. He has a strong background in Node.js and React, gained through multi-year client-facing roles at Blazing Edge and East Coast Product, and early work on PHP/Graph API-driven social games. Petar is also an active open-source contributor to the StarkNet ecosystem, having improved core sequencing and RPC provider functionality in the widely used starknet.js library. He combines practical production delivery with low-level API and type-focused improvements, which hints at a meticulous approach to interoperability and testing. Educated to master’s level in Computer Science, he reliably bridges backend systems and frontend UX while navigating blockchain tooling and traditional web platforms.
11 years of coding experience
6 years of employment as a software developer
Bachelor's Degree, Computer Science, Bachelor's Degree, Computer Science at Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture
English
Github Skills (10)
starknet10
javascript10
ethereum10
typescript-types9
typescript9
typescripts9
zk9
zkp9
api-design8
unit-testing7
Programming languages (3)
Github contributions (5)
starknet-io/starknet.js
Oct 2022 - Jan 2023
JavaScript library for StarkNet
Role in this project:
Back-end Developer
Back-end DeveloperContributions:5 releases, 267 reviews, 42 commits in 2 months
Contributions summary:Petar contributed significantly to the `starknet.js` library, focusing on implementing and refining core functionalities within the StarkNet ecosystem. Their work included developing methods for the Sequencer and RPC providers, enhancing the `ProviderInterface` with essential methods, and adjusting fetch parameter types for API interactions. Furthermore, the user addressed build issues related to alternate formats and made type-related improvements to the codebase. They also updated testing procedures to use default provider instances, improving overall test coverage.
javascript-libraryethereumjavascriptblockchainweb3
penovicp/starknet.js
Oct 2022 - Mar 2025
JavaScript library for StarkNet
Contributions:4 releases, 3 reviews, 48 PRs in 2 years 5 months
javascript-libraryethereumjavascriptblockchainweb3
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