first last blockchain developer burlington vermont 1234456789 professionalemailresumewordedcom linkedincominusername work experience resume worded new york ny education technology startup 50 employees 100m annual revenue blockchain developer 092015 present developed 16 decentralized social media web applications using react css bootstrap web3jsethers integrating ethereum reduced costs 40 using ethereum smart contract automate supply chain management processes built private blockchain using hyperledger fabric 10 enhanced data security reduced risk exposure 93 created launched 12 decentralized applications based rws 150m daily transaction using ethereums smart contracts polyhire london united kingdom nyselisted recruitment employer branding company java developer 102012 082015 eliminated duplicate strings via garbage collection logs analysis refactoring codes achieved 30 reduction apps memory consumption identified enhanced code inefficiencies led 33 increase app stability within one month job created reusable component libraries using j2ee technologies application servers increase productivity 80 growthsi london united kingdom career training membership saas 150000 paying users software developer data science intern 012010 092012 enhanced customers website content ranking algorithm frontend features increased user base retention 79 collaborated 12 development teams refractor open source python script web scrape growthsi images improved uiux 23 clients websites via responsive frontend using javascript html css systems engineer abc company london united kingdom cryptography tutor xyz company london united kingdom education 112008 122009 092005102008 resume worded university new york ny bachelor technology computer science skills 062005 web development truffle framework advanced geth experienced embark remix ide solium programming languages c javascript java shell scripting solidity golang python c vyper simplicity hyperledger development tools avalon caliper cello explorer cactus aries quilt ursa grid