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Blockchain Engineer - Riyadh

Company: OTalence

Location: Riyadh, London

Posted: June 14, 2026

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Position Details

Note: Only professionals living in Saudi Arabia are eligible to apply for this job.

About the role

We are looking for a skilled Blockchain Engineer to design, develop, and deploy secure smart contracts and decentralized applications. You will help build scalable Web3 infrastructure that powers next-generation financial and enterprise solutions.

Responsibilities

  • Develop, test, and audit smart contracts using Solidity and/or Rust on Ethereum or Layer 2 networks
  • Build and maintain decentralized applications (dApps) with Web3.js or ethers.js integrations
  • Design secure blockchain architecture with a focus on DeFi protocols and cross-chain interoperability
  • Implement cryptographic solutions including Zero-Knowledge (ZK) proofs where applicable
  • Collaborate with product and security teams to ensure smart contract integrity and protocol safety

Requirements

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