
Blockchain Developer – Solidity, Rust
CAIZ
full-time
Posted on:
Location Type: Remote
Location: Anywhere in the World
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Tech Stack
About the role
- 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
Applicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
SolidityRustsmart contract designblockchain architecturecryptographyconsensus mechanismsDeFi protocolstoken standardsversion control systemsCI/CD workflows
Soft Skills
problem-solvingcollaborationcode reviewvulnerability assessmentclean code writingmaintainable codeagile environmentstartup environment