I'm Mariana from Ukraine. With a proven track record spanning 10 years, I bring a wealth of expertise in software engineering, Blockchain and Data Science. With a PhD in Computer Science (summa cum laude) from Max-Planck Institute for Informatics in Germany, I had a solid background in math and algorithm development. I did undertaken data analysis, data visualization, and predictive modeling with a heavy emphasis on financial and time-series data over the past decade. I specializes in different programming languages such as Python, R, C, C++, and MATLAB. I am specialized in delivering precise Blockchain development services to businesses, offering improved transaction processes, heightened security, and enhanced transparency. I've worked on Decentralized Exchange (DEX), Decentralized Finance (DeFi), Non-Fungible Token (NFT) marketplace, Metaverse, Initial Coin Offerings (ICOs), smart contract development and white paper development. Also I have experience of about 7 years in Schematics Design, PCB design, BOM creation, Gerber (manufacturing) files, and programming.