Blockchain Developer

Blockchain Engineer – Smart Contracts

We are looking for a blockchain engineer with hands-on experience in smart contracts and Web3 protocols, as well as strong backend integration skills, to build secure and scalable decentralized applications.

Ideal background:

• Smart contract development on Ethereum (Solidity)

• Proven experience with Web3 protocols and decentralized ecosystems

• Experience with zk-SNARKs for privacy and security in blockchain

• Backend integrations using Java, TypeScript, Python, or Go, preferably in exchanges, wallets, or DeFi platforms

• Intermediate to advanced English proficiency

💻 Common Tech Stack

• Blockchain: Ethereum, Solidity, Web3.js / Ethers.js

• Privacy: zk-SNARKs

• Backend: Java, TypeScript, Python, Go

• Tools: Git, REST/GraphQL APIs
  
  

👇 Responsibilities

✔️ Design, develop, and audit smart contracts on Ethereum
✔️ Integrate blockchain solutions with backends in multiple languages
✔️ Collaborate with backend and frontend teams to deliver complete applications
✔️ Implement and optimize functionalities using zk-SNARKs for privacy and security
✔️ Contribute to dApp architecture and scalability

✅ Requirements

✔️ 3+ years of blockchain development experience (Ethereum / Solidity)
✔️ Proven experience with Web3 protocols and libraries like Web3.js or Ethers.js
✔️ Experience integrating backends using at least one language: Java, TypeScript, Python, or Go
✔️ Experience with smart contract security and testing tools
✔️ Intermediate to advanced English proficiency (B2+)
✔️ Interest in privacy technologies (zk-SNARKs, zk-Rollups)

📩 Interested?

If you are passionate about blockchain technology, security, and building decentralized applications, this is your opportunity to work on innovative projects with a global team.