Yosra - Blockchain expert

WORK EXPERIENCES

Blockchain Freelancer – HELYOS CHAIN | PARIS
Current position since August 2021
• CTO of UNBLOCKED / Blockchain advisor / Blockchain Lead of Tech Factory for LOREAL
• Smart contract Auditor for many projects (HOR1ZON, ELEVENUP, EMETH, ARENA, NEFTURE, ROBANKHOOD …)
• Smart contract developer (NFT projects like LACOSTE, DEFI projects like NEC …)

Professor and content creator « Blockchain andsmart contracts developer » at ALYRA
October – 2019 / August - 2021
• Design, creation and writing of the "Blockchain and smart contracts developer" course.
• Teaching and monitoring of learners.
• Correction of exercises, challenges and bugs.
• Supervision of final projects
• Audit of smart contracts

Blockchain Lead Developer at Blockchain Partner by KPMG
November - 2018 / October - 2019
Within Blockchain Partner, a blockchain consulting firm, I was responsible of :
• Application development : mainly Go & nodeJs.
• Understanding client’s needs, design and implementation of applications based on innovative technologies.
• Development of smart contract in solidity.
• Audit of smart contracts.
• Technical Projects analysis and due diligence's report.
• Participate to the definition of the technical solution.

Blockchain Lead Developer at Crypto4all
January - 2018 / October - 2018
Within Crypto4all, a blockchain consulting firm, I was responsible of :
• Understanding client’s needs, design and implementation of applications based on innovative technologies.
• Technical assess of emerging technologies and their potential applications on the customer's business
• Developing smart contract (mainly on solidity)
• Test and deployment of smart contracts via truffle, remix …
• Smart contracts Audit
• Developing decentralized applications
• Developing of APIs of interaction with smart contracts (web3Js).
• Deployming Dapps on IPFS

Smart contract Developer ( Solidity) Lambda Vision
August - 2017 / November - 2017
Within the startup "Rockchain", I was responsible for developing the smart contracts in solidity that served the ICO (Intial Coin Offering) of Rockchain, which is "a fundraising method, working through the issuance of digital assets exchangeable against cryptocurrencies during the start-up phase of a project ».
• Developing smart contract on blockchain Ethereum.
• Participation to Rockchain ICO .

Blockchain Research and Development Engineer Gnubila
December - 2016 / July – 2017
Within the research and innovation department of the group, i participated to the European MyHealthMyData project wishing to create a platform for sensitive international data transactions to facilitate clinical trials.Participation to European Project “Myhealthy Data” in order to create a sensitive data transaction platform to facilitate clinical tests.