Blockchain Developer

Job Summary :

The Blockchain Developer is responsible for designing, implementing, and supporting distributed blockchain-based networks. This role involves analyzing business requirements, developing secure smart contracts, integrating blockchain protocols, and ensuring system scalability and reliability. The ideal candidate has strong experience in blockchain frameworks, cryptography, and decentralized application (dApp) development.

Key Responsibilities :

Design and develop blockchain solutions, smart contracts, and decentralized applications (dApps).

Build and maintain blockchain protocols, consensus algorithms, and distributed ledgers.

Write efficient, secure, and maintainable code for blockchain applications.

Integrate blockchain solutions with existing systems and third-party APIs.

Collaborate with product managers, UX designers, and backend teams to deliver complete solutions.

Perform security audits of smart contracts and blockchain infrastructure.

Research and evaluate new blockchain technologies, frameworks, and tools.

Optimize blockchain architecture for scalability, performance, and cost-efficiency.

Troubleshoot, debug, and upgrade blockchain applications as needed.

Stay current with emerging blockchain trends, standards, and security practices.

Key Skills & Competencies :

Proficiency in blockchain frameworks such as Ethereum, Hyperledger Fabric, Polygon, or Solana.

Strong experience with smart contract development using Solidity , Rust , or Go .

Hands-on experience with Web3.js , Ethers.js , or similar libraries.

Knowledge of cryptography , consensus algorithms , and distributed systems .

Experience with Node.js , Python , or JavaScript / TypeScript for backend development.

Familiarity with DeFi , NFTs , and token standards (ERC-20, ERC-721, ERC-1155).

Understanding of DevOps tools and cloud platforms (AWS, Azure, GCP) for blockchain deployment.

Strong problem-solving, analytical, and debugging skills.

Ability to work collaboratively in an agile environment.

Education & Experience :

Bachelor’s or Master’s degree in Computer Science, Information Technology, or related field.

Experience in building and deploying blockchain-based applications or smart contracts.

Blockchain certifications (e.g., Ethereum Developer, Certified Blockchain Professional) are a plus.