Gregory Roussac
Freelance Developer (Rust - Wasm - Solidity - Anchor) at Interchouette - ITC
North Holland, Netherlands
Summary
🤩
Rockstar🎓
Top School
Top expert inPHP Development and E-commerce Web Technologies
Gregory Roussac is a seasoned software engineer with 13 years of experience who now runs a freelance practice focused on Rust/Wasm, Solidity, and Anchor for cross-chain and smart contract applications. He combines deep blockchain smart-contract expertise—working on Casper, CosmWasm, and Solana BPF—with practical full-stack chops in Angular, NestJS and TypeScript, plus deployment skills using Docker. His background includes leading core PHP/MySQL development and releases at PrestaShop and front-end platform migrations at Independer, reflecting an ability to modernize legacy systems and ship production-grade software. An active contributor to open-source e-commerce tooling (notably PrestaShop modules), he brings both product-minded engineering and hands-on module maintenance experience. Based in North Holland, he pairs formal engineering education with entrepreneurial roots running agencies and training programs, which helps him bridge technical design, developer tooling and client-facing delivery. Notably, he pivoted from long-standing PHP ecosystems to becoming a Rust-centric blockchain engineer, demonstrating adaptability and sustained curiosity.
13 years of coding experience
17 years of employment as a software developer
Saint Michel de PicpusDiplôme d'ingénieur Programmation informatique applications spécifiques, Diplôme d'ingénieur Programmation informatique applications spécifiques at Université Paris CitéHochschule für Technik und Wirtschaft BerlinBachelor of Arts (B.A.) International Business, Bachelor of Arts (B.A.) International Business at ESCE International Business School
English, German, Dutch
Github Skills (11)
plugin-development10
php10
drupal-module10
prestashop10
ecommerce10
package-development10
curl9
debug8
debugging8
webservice8
database-design7
Programming languages (15)
Github contributions (5)
PrestaShop/PrestaShop-modules
Jan 2013 - Apr 2014
Partner and native modules
Role in this project:
Back-end Developer
Back-end DeveloperContributions:228 commits in 1 year 2 months
Contributions summary:Gregory primarily focused on the development and maintenance of modules for the PrestaShop e-commerce platform. Contributions involved bug fixes, such as addressing installer issues and fixing code related to integrating external services (Jirafe) and mobile themes. The changes reveal a focus on improving module functionality and addressing compatibility issues. Additionally, the user implemented some configuration changes related to caching and payment gateways.
prestashopphppartnerprestashop-modulenative-modules
gRoussac/cep-78-enhanced-nft
Dec 2022 - Apr 2025
Contributions:13 PRs, 305 pushes, 51 branches in 2 years 4 months
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