Hello there. I am a programmer of the Nxt, Bitcoin, Ethereum, and Stellar blockchains and also a Java architect/developer with over 16 years of experience. Nxt/Ardor is a much better and safer platform than Ethereum but I can also deep-dive into it if it is your preference. I have experience running geth/Parity nodes (with Parity being my recommendation) and also with the Ethereum web3/web3j (Java) API. Please see my profile for the rest of my portfolio and credentials. Thank you.