jgeller0419

Senior Blockchain Engineer

I'm a software developer with a Master’s degree in Informatics and experience in blockchain technology, particularly in smart contract engineering and Rust backend development. My work has spanned companies where I designed, optimized, and deployed secure smart contracts and decentralized applications (DApps), with expertise in Solidity, Rust, web3.js, and React. I focus on building efficient, user-centered solutions that drive adoption of blockchain technology.

I'm currently seeking roles in the blockchain space, particularly in DeFi, NFTs, or other innovative areas where I can leverage my skills in smart contracts, backend development, and blockchain integration to make a meaningful impact.

Experience: 5 years

Yearly salary: $112,000

Hourly rate: $55

Nationality: 🇬🇷 Greece

Residency: 🇬🇷 Greece

Experience

Smart Contract Engineer

DOTSOFT A.E

2022 - 2024

Smart Contract Development: Designed and deployed smart contracts for insurance policies, ensuring high security and accuracy in payouts and claims. Blockchain Integration: Utilized web3.js to connect blockchain functionality with the frontend, streamlining user interactions. Optimized Contract Efficiency: Employed best practices in Rust and Solidity for gas optimization, reducing transaction costs.

Solidity Engineer

RENVIS

2021 - 2022

Smart Contract Development: Engineered Solidity-based contracts to automate insurance processes, including claims and payouts, reducing manual overhead and increasing trust. Frontend Integration: Leveraged React and web3.js for seamless frontend integration, allowing users to interact directly with the blockchain. Gas Optimization: Applied best practices to optimize contract structures and functions, resulting in more efficient and cost-effective transactions. Testing & Security: Implemented extensive testing and security protocols to ensure robust and error-free contract execution.

Rust Backend Engineer

MAGOS

2020 - 2021

Develops and implements blockchain and backend technologies. Key Skills: Writing backend in Rust, managing contract storage, and handling upgrades.

Software Engineer

Bibecoffee

2019 - 2020

Smart Contract Development: Built and deployed Solidity contracts that automated insurance operations, improving transaction transparency and reducing overhead. Blockchain Integration: Integrated blockchain functionalities with web applications, enhancing the user experience through intuitive, secure interactions. Optimization & Testing: Focused on performance optimization and implemented rigorous testing protocols, ensuring reliability and costeffective execution. Cross-functional Collaboration: Worked closely with product and backend teams to deliver comprehensive, user-centric solutions that align with business goals.