Blockchain Developer

5 days ago

Aligarh, Uttar Pradesh, India Cozzera Full time
Job Title: Blockchain DeveloperExperience: 3+ YearsLocation: RemoteEmployment Type: Full-timeJob Description:We are looking for a Blockchain Developer with hands-on experience in cryptocurrency, wallet creation, and payment gateway integration.
The ideal candidate will have expertise in developing and deploying smart contracts across multiple blockchain platforms, along with strong knowledge of custodial wallet management and digital asset handling.Key Responsibilities:Design, develop, and deploy blockchain-based applications and smart contracts.Build and integrate cryptocurrency wallets (custodial and non-custodial) with support for Bitcoin, Ethereum, Solana, and Tron.Implement payment gateway solutions for seamless digital transactions.Work with Fireblocks (or similar platforms) for secure wallet creation, key management, and asset transfers.Develop and audit smart contracts in Solidity, Rust, or other blockchain programming languages.Ensure secure handling of digital assets, transactions, and wallets.Collaborate with cross-functional teams to integrate blockchain solutions into existing systems.Stay updated with emerging blockchain technologies and propose improvements.Required Skills & Qualifications:3+ years of hands-on experience in Blockchain Development.Strong expertise in Cryptocurrency ecosystems (Bitcoin, Ethereum, Solana, Tron).Experience with Fireblocks or similar platforms for wallet and asset handling.Proficiency in Smart Contracts development using Solidity, Rust, or equivalent.Strong understanding of Custodial Wallets, Key Management, and Digital Asset Handling.Experience in Payment Gateway development & integration.Familiarity with blockchain security best practices and transaction optimization.Good problem-solving, debugging, and analytical skills.Nice to Have:Knowledge of Layer 2 scaling solutions.Familiarity with NFT standards (ERC-721, ERC-1155).Understanding of De Fi protocols and staking mechanisms.Experience working with APIs of exchanges and blockchain explorers.

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