Design, develop, and maintain enterprise-grade blockchain applications and distributed systems using Java and TypeScript. Build smart contracts on platforms like Ethereum and Hyperledger, implement RESTful APIs and microservices, integrate wallets and tokenization, and ensure security, scalability, and performance. Collaborate with architects, DevOps, and product teams; perform code reviews, testing, troubleshooting, and production support.
We are seeking a highly skilled Java & TypeScript Blockchain Developer to design, develop, and maintain enterprise-grade blockchain applications and distributed systems. The ideal candidate will have strong expertise in Java, TypeScript, API development, cloud technologies, and blockchain platforms, with the ability to build secure, scalable, and high-performance solutions.
Responsibilities
- Design, develop, and maintain blockchain-based applications using Java, TypeScript, and modern frameworks.
- Develop and integrate smart contracts on blockchain platforms such as Ethereum, Hyperledger Fabric, Polygon, Solana, or other enterprise blockchain networks.
- Build and maintain RESTful APIs, microservices, and backend systems supporting blockchain transactions and integrations.
- Develop frontend applications using TypeScript, Angular, React, or Node.js to interact with blockchain networks.
- Integrate blockchain solutions with enterprise systems, databases, and external platforms.
- Implement secure transaction processing, digital signatures, wallet integrations, and tokenization solutions.
- Participate in architecture discussions and contribute to blockchain solution design.
- Optimize application performance, scalability, security, and reliability.
- Collaborate with cross-functional teams including architects, business analysts, DevOps engineers, and product owners.
- Perform code reviews, testing, troubleshooting, and production support activities.
Profile
- Bachelor's degree in Computer Science, Information Technology, or related field.
- Experience in Banking, Financial Services, FinTech, Digital Assets, or Web3 projects.
- Knowledge of blockchain security, governance, and compliance frameworks.
- Understanding of DeFi, NFTs, CBDC, tokenisation, or digital asset platforms.
- Blockchain certifications (Hyperledger, Ethereum, ConsenSys, etc.) are advantageous.
- Nice to Have
- Kafka or messaging platforms
- GraphQL
- MongoDB, PostgreSQL, MySQL
- Web3.js, Ethers.js
- Blockchain interoperability frameworks
- Experience with enterprise blockchain solution architecture
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