0xikigai
Solidity Developer
Solidity engineer delivering secure, production-ready smart contracts, backed by 4 + years of enterprise experience. Earlier, I built large-scale .NET/Azure back-ends, so I bring strong system-design discipline to Web3 work. Focused on gas-efficient code, tests, and guiding teams toward blockchain best practices.
Experiece: 6 months
Yearly salary: $50,000
Hourly rate: $20
Nationality: 🇷🇴 Romania
Residency: 🇷🇴 Romania
Experience
SOLIDITY SMART-CONTRACT ENGINEER
Freelance Contract (NDA) 2025 - 2025
Design and build production-ready smart contracts in Solidity (ERC-20, ERC-721, upgradeable proxies) with Hardhat + OpenZeppelin, deploying to Ethereum mainnet. Validate reliability with thorough unit tests in Foundry + Hardhat. Automate deployments and front-end integration through scripted migrations, Etherscan verification, and clean React / Ethers.js hooks for wallet interaction.
.NET DEVELOPER
Endava 2021 - 2025
Build scalable ASP.NET Core services on Azure - REST APIs, Functions, automated releases via Azure DevOps. Secure and optimise the system with Azure AD / OAuth 2.0, SQL + Redis caching, and Application Insights telemetry. Lead architecture and code quality, steering reviews and continuous delivery across the team.
MOBILE GAME DEVELOPMENT
Geekon Games 2021 - 2021
Designed and built 3D mobile games in Unity (C#), shepherding each title from prototype to Google Play release. Optimised rendering, assets and memory to hold a steady 60 FPS on a wide range of Android devices. Converted design specs into clean, modular gameplay code, wiring up input, UI, monetisation and analytics.
Skills
c-sharp
hardhat
solidity
sql
english
japanese
romanian
russian