Blockchain Developer

**Role Summary**

We are seeking a passionate and technically skilled **Blockchain Developer** with 1- 2 years of hands-on experience in blockchain technologies and decentralized systems. The ideal candidate will design, develop, and deploy smart contracts and decentralized applications (daps) while ensuring security, scalability, and performance of blockchain-based solutions.

This role is ideal for developers looking to deepen their expertise in Web3 technologies and distributed ledger systems within a collaborative, innovation-driven environment.

**Key Responsibilities**

**1. Smart Contract Development**

- Design, develop, test, and deploy smart contracts using **Solidity**.
- Implement secure and efficient contract logic on blockchain platforms such as **Ethereum**.
- Perform unit testing and debugging of smart contracts.
- Optimize gas usage and contract performance.

**2. Blockchain Protocol & Architecture**

- Assist in designing blockchain-based architectures and protocols.
- Contribute to consensus mechanism understanding and distributed system design.
- Participate in network upgrades and blockchain maintenance activities.
- Evaluate blockchain frameworks such as **Hyperledger** for enterprise use cases.

**3. Decentralized Application (dap) Development**

- Develop and integrate daps using **Web3.js**.
- Connect front-end interfaces to blockchain smart contracts.
- Ensure seamless interaction between UI and blockchain backend.
- Work closely with front-end and backend developers to deliver complete Web3 solutions.

**4. Security & Smart Contract Auditing**

- Identify and mitigate vulnerabilities in smart contracts (e.g., reentrancy, overflow attacks).
- Follow best practices in blockchain security and cryptographic implementation.
- Support internal smart contract audits and testing.
- Implement authentication, encryption, and secure key management mechanisms.

**5. Testing & Deployment**

- Deploy contracts on test nets and main nets.
- Maintain development and testing environments.
- Participate in CI/CD processes for blockchain deployments.
- Document technical specifications, workflows, and deployment processes.

**Required Qualifications**

- Bachelors degree in Computer Science, Information Technology, or related field.
- 1–2 years of experience in blockchain or software development.
- Hands-on experience with **Solidity** and smart contract development.
- Experience working with **Ethereum** or similar blockchain platforms.
- Familiarity with **Web3.js** for dap integration.
- Basic understanding of **cryptography principles** (hashing, digital signatures, encryption).
- Knowledge of blockchain architecture and distributed systems.
- Experience using Git for version control.

**Preferred Skills**

- Exposure to **Hyperledger** or other enterprise blockchain frameworks.
- Familiarity with Truffle, Hardhat, or Remix.
- Understanding of token standards (ERC-20, ERC-721).
- Knowledge of Defib, NFTs, or DAO ecosystems.
- Experience with cloud deployment and containerization (Docker).
- Understanding of smart contract auditing tools.

**Key Competencies**

- Strong analytical and problem-solving skills
- Attention to security and detail
- Ability to work in a fast-evolving technology landscape
- Collaborative mindset and effective communication
- Continuous learning and research orientation

**Performance Indicators**

- Security and reliability of smart contracts
- Successful deployment of blockchain solutions
- Code quality and audit readiness
- System scalability and performance
- Contribution to innovation and blockchain best practices