dennis sam blockchain developer blockchain developer broad technical skilooking build career industry thrives consistently technologies self vated result oriented ontributing growth success organization well proficient problem solving using software tools hyperledger sawtooth javascript solidity angular reactjs go veje typescript python c flutter docker un dergmailcom denniams githubio de experience blockchain developer spericom technology full stack developer zartes technologies education becomputer science engineering certifications certified ethereum developer ced kerala blockchain academy certified hyperledger developer chd kerala blockchain academy aba29101ch certified blockchain associate cba kerala blockchain academy abcdna1202010 fullstack development ict academykerala projects fishing frenzy ethereum soldity angular di system hyperledger sawtooth sdk dschool decentralised universitylearning system labourfinder mean project roboshop pythonflask