Hi there,
Aside from my profile ratings, please see my other blockchain projects awarded/completed by me here in Freelancer:
https://www.freelancer.com/projects/javascript/Build-API-proof-concept/
https://www.freelancer.com/projects/software-architecture/Blockchain-Project/
https://www.freelancer.com/projects/html/Ethereum-blockchain-project/
https://www.freelancer.com/projects/software-architecture/Requesting-Advice-from-Blockchain/
I am a senior multi-blockchain/multi-cryptocurrency developer particularly an expert with Bitcoin Core / Litecoin Core, including configuration and setup of bitcoind/litecoind (daemon) and programming via JSON-RPC. I am also an expert with other blockchains such as Ardor/Nxt, Stellar, Ethereum, and IPFS.
I am also a senior specialist full-stack and microservices Java architect/developer with over 18 years of experience, expert in both Java EE and Spring Boot and Spring-/Spring Boot-based frameworks such as JHipster, CUBA Platform, and Grails. I have over nine (9) years experience with Spring/Spring Boot alone, and over four years with Groovy/Grails.
I am an individual/independent freelancer.
Please see my profile for the rest of my portfolio, work history, and qualifications.
https://www.freelancer.com/u/chesslover
Would like to discuss the project. Thank you.