Blockchain Expert - International Organization

Blockchain Expert - International Organization

As a Blockchain Expert, you will support the team in building decentralized applications and implementing solutions based on blockchain technologies. You will play a key role in analyzing needs, building and maintaining applications, and overseeing technical projects.

Responsibilities

* Design and implement blockchain-based technical solutions (Ethereum, Hyperledger, etc.) ;
* Develop and integrate smart contracts and decentralized applications (dApps) ;
* Conduct testing and ensure security, scalability, and performance of blockchain systems ;
* Perform technical audits and security analyses ;
* Advise on blockchain use cases (DeFi, digital identity, traceability) ;
* Collaborate with internal teams and external partners to ensure project success ;
* Stay up to date with Web3 and blockchain protocol development

Required Profile

* 5+ years of experience in blockchain/decentralized technologies ;
* Bachelor's or Master's degree in IT or a related field ;
* Proficiency in Python, JavaScript, and Solidity ;
* Experience building and maintaining decentralized applications (dApps) ;
* Familiarity with blockchain ecosystems such as Ethereum, Solana, and Hyperledger ;
* Having a full professional proficiency level in English is mandatory ;
* Blockchain certification or specialized training is a plus

Packaging Offer

* Permanent contract (CDI)
* Meal vouchers
* DKV insurance
* Company car is a possibility
* Hybrid model, with 1-2 days remote work per week
* Career assistance and development training