Blockchain Developer – Solidity, Rust

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🕒 5 days ago

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CAIZ

WebsiteLinkedInAll Job Openings

201 - 500 employees

💸 Finance

💳 Fintech

₿ Crypto

Finance • Fintech • Crypto

CAIZ is a financial ecosystem offering Shariah-compliant services through its CAIZcoin token. The ecosystem includes CAIZapp for payments and financial services, CAIZchain for secure blockchain operations, and CAIZearn for rewarding user engagement. CAIZ aims to provide an alternative financial system targeting the underserved Islamic fintech market.

📋 Description

• 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 • Bachelor’s degree in Computer Science, Software Engineering, Mathematics, or a related technical field (A Master’s degree or equivalent experience in blockchain development is a plus) • Fluent in English

🏖️ Benefits

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