Spiros Papagiannopoulos

• Conducting blockchain security research, focusing on smart contract auditing and security vulnerabilities. • Developed and deployed smart contracts using Solidity on the Ethereum Blockchain, with a focus on secure and efficient code practices. • Managed and interacted with ERC-721 tokens, creating, minting, transferring NFTs and developing smart contracts for NFT projects.

• Coordinated and analyzed construction projects within the department, driving the successful execution of various initiatives. • Managed project workflows using SAP software, ensuring efficiency and streamlined operations. • Led the process for issuing construction permits, showcasing a deep understanding of regulatory requirements.

• Sector Manager for the Greek Census 2021, overseeing data collection and evaluation processes for geographical and demographic information. • Directed and coordinated a 4-member team to efficiently conduct the household and population Census, ensuring data accuracy and completeness. • Ensured high standards of data integrity through rigorous quality assurance processes, addressing discrepancies and implementing strategic improvements.

• Led the development, customization, and maintenance of the e-commerce platform using HTML, JavaScript, and CSS, ensuring a seamless user experience and robust site performance through effective CMS management. • Managed the technical aspects of the online store, including setting up and optimizing website features, maintaining product databases, and troubleshooting issues. • Executed comprehensive digital marketing strategies, managing Google Ads and Facebook Ads campaigns, significantly increasing traffic and driving six-figure revenue. • Coordinated with suppliers, handled logistics, managed inventory, and oversaw product photography, editing, and uploading to the website. • Provided customer service and managed order fulfillment, maintaining a strong focus on customer satisfaction.