Freelancer profile translated to English.
Back to original languageAbout Guillian
Full Stack Developer specializing in blockchain, automation, and data. I design custom solutions in Python and Rust for clients who need performance and reliability.
My areas of expertise:
Algorithmic trading and blockchain bots (Ethereum, EVM, DeFi)
Solidity smart contracts: development, audit, and deployment
Advanced web scraping with anti-detection and proxy rotation
Automation of business processes and API integration
Real-time monitoring via WebSocket and alerting systems
What I bring: a solid technical approach combined with a concrete understanding of business challenges. I work independently, deliver on time, and communicate clearly at each stage of the project.
Main stack: Python, Rust, Solidity, JavaScript, PostgreSQL, Docker, Linux.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- INDEPENDANTFreelance Blockchain DeveloperApril 2024 - Today (2 years and 2 months)Design and development of a real-time algorithmic trading system on the blockchain (Rust + Python). High-performance architecture with inter-process communication via TCP/WebSocket bridge, mempool monitoring, and gas optimization.
- INDEPENDANTSmart Contracts & DeFi DeveloperApril 2024 - Today (2 years and 2 months)Development and deployment of EVM smart contracts (Solidity). Integration with DeFi protocols, management of precompile interactions, and automation of on-chain workflows.
- INDEPENDANTAutomation & Data DeveloperApril 2024 - Today (2 years and 2 months)Creation of web scraping tools (Selenium, Playwright) with proxy rotation and anti-detection. Automation of business processes and integration of third-party APIs.
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Education
- Self-taughtAutodidacte