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Blockchain Developer (Solidity & Rust) (Crypto / Blockchain)

100% remote Flexible hours Hiring now

Caiz Revolutionizing Islamic Finance with Blockchain Technology Are you ready to be part of a groundbreaking initiative that combines Islamic finance principles with cutting-edge blockchain technology? Look no further than Caiz – The First Islamic Ecosystem Built on Blockchain At Caiz, our mission is clear: to create a Fiqh compliant financial ecosystem that provides our community with fair and easy access to ethical financial products and services. We believe in empowering individuals to build a strong financial future while engaging in long-term economically beneficial behavior. Our native coin, Caizcoin, that fuels the Caizblockchain. With Caizcoin, you can make seamless payments, store value, and interact with a range of ethical financial products we are developing. The centerpiece of our ecosystem is the innovative Caizapp, giving users complete control over their digital assets. We are a passionate team reshaping finance, and we are expanding our dynamic workforce. Join us in a collaborative work environment focused on creating a fast and compliant money transfer structure. Why to Join Caiz?

  • Innovative & Purpose-Driven: At Caiz, we combine advanced blockchain technology with the principles of Islamic finance to create an innovative and modern financial system. Join us to be part of a forward-thinking organization that is reshaping the future of finance.
  • Ethical Impact: As part of Caiz, you'll be working in an Organization that prioritizes ethics and integrity in all its operations, ensuring that every solution we offer aligns with the core values of fairness, transparency, and respect.
  • Growth & Learning Opportunities: At Caiz, we value personal and professional growth. You'll have the opportunity to learn, innovate, and grow within a dynamic, supportive environment, while contributing to the development of ethical financial solutions.
  • Global Vision, Local Impact: Caiz is focused on creating an inclusive, sustainable financial system that empowers individuals globally. You’ll be contributing to a company that has a positive impact on local communities and the global financial landscape.
  • Collaborative Culture: We believe in teamwork and collaboration. You'll work alongside passionate professionals who are committed to driving change in the crypto and blockchain space, working together to create an ethical financial future.
  • Secure & Transparent Environment: We emphasize trust and security in all aspects of our operations. As part of Caiz, you’ll be part of a transparent organization that values customer trust and ensures the highest security standards in the crypto space.

Tasks We are looking for a highly skilled Blockchain Developer with expertise in Solidity and Rust to join our growing engineering team. You will play a key role in developing and optimizing smart contracts, blockchain protocols, and DeFi components that power the Caiz ecosystem. As part of the core blockchain development team, you’ll work on both Ethereum-compatible smart contracts and Rust-based custom chain logic, contributing to secure, scalable, and innovative blockchain infrastructure. 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

Experience:

  • 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 re

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