Blockchain Developer – Solidity, Rust

Posted 3 weeks ago

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About the role

  • Blockchain Developer specializing in Solidity and Rust to develop Caiz's ethical financial ecosystem. Collaborate on smart contracts and secure blockchain infrastructure to reshape finance.

Responsibilities

  • Design, develop, and deploy smart contracts using Solidity on EVM-compatible blockchains.
  • Build and maintain Rust-based blockchain modules, such as on Substrate or Solana-compatible platforms.
  • Contribute to the design of custom blockchain protocols and token standards.
  • Write secure, gas-optimized, and thoroughly tested smart contracts.
  • Collaborate with frontend and backend teams to integrate blockchain components into products.
  • Conduct code reviews, audits, and vulnerability assessments for blockchain code.
  • Analyze and improve the performance, security, and scalability of the Caiz blockchain.
  • Stay up-to-date with the latest developments in blockchain technologies, including new EIPs, cryptographic primitives, and layer-2 solutions.

Requirements

  • 3+ years of experience in blockchain development with hands-on coding in Solidity and Rust
  • Strong understanding of smart contract design, blockchain architecture, cryptography, and consensus mechanisms
  • Experience developing and deploying smart contracts on Ethereum or similar EVM chains
  • Proficiency in Rust for blockchain environments such as Substrate or Solana
  • Familiarity with Web3.js, Ethers.js, Hardhat, Truffle, and related tools
  • Understanding of DeFi protocols, token standards (ERC-20, ERC-721, etc.), and layer-1/layer-2 ecosystems
  • Experience with version control systems (Git) and CI/CD workflows
  • Strong problem-solving skills and ability to write clean, maintainable code.
  • Experience in building or contributing to a Layer 1 or Layer 2 blockchain is preferred
  • Knowledge of blockchain security best practices and audit processes is preferred
  • Exposure to zero-knowledge proofs (ZK), rollups, or cross-chain bridges is preferred
  • Experience in working within agile or startup environments is preferred
  • Understanding of Islamic finance or Sharia-compliant financial principles is a plus

Benefits

  • Competitive Financial Compensation
  • Work Flexibility
  • Annual Holidays
  • Relocation Assistance
  • Professional Development
  • Employee Recognition
  • Inclusive & Collaborative Culture
  • Diversity, Equality, and Inclusion

Job type

Full Time

Experience level

Mid levelSenior

Salary

Not specified

Degree requirement

Bachelor's Degree

Tech skills

JavaScriptRustSolidityWeb3

Location requirements

RemoteWorldwide

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