Full Stack Blockchain Developer (Remote)

**Job Title**: Full Stack Blockchain Developer (Next.js, Nest.js, Web3)

Client : Hyperhire

**Experience**: 3+ years

**Contract Duration**: 3 months

**Working Hours**: Korean Standard Time (KST)

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**Job Description**:

We are looking for a **Full Stack Blockchain Developer** with strong experience in **Next.js** and **Nest.js** to join our team on a 3-month contract. The ideal candidate will have at least 3 years of professional experience, with a focus on blockchain technologies and modern web3 development frameworks. You will be responsible for building and maintaining blockchain applications, integrating smart contracts, and ensuring seamless communication between the frontend and backend systems.

**Key Responsibilities**:

1. **Blockchain Development**:

– Develop and deploy smart contracts using blockchain Web3 technologies

– Integrate blockchain systems with web applications.

– Work with decentralized applications (dApps) and APIs to ensure smooth data exchange.

– Implement and manage wallet integrations (MetaMask, WalletConnect, etc.).

2. **Frontend Development**:

– Build responsive, user-friendly frontend interfaces using **Next.js**.

– Implement seamless integration between frontend and blockchain backends.

– Optimize front-end performance for fast, interactive user experiences.

3. **Backend Development**:

– Develop and maintain backend services using **Nest.js**.

– Build scalable and secure RESTful APIs to support blockchain interactions.

– Design, implement, and maintain database architectures for blockchain data storage.

– Integrate third-party services and tools related to blockchain.

4. **Collaboration and Code Management**:

– Work in a cross-functional team of developers, designers, and product managers to ensure the successful delivery of blockchain projects.

– Participate in code reviews and contribute to best practices and continuous improvement.

– Use version control systems (e.g., Git) to manage codebase and collaborate with the team.

5. **Testing and Deployment**:

– Conduct unit and integration testing to ensure the reliability and performance of blockchain applications.

– Manage deployments and continuous integration/continuous delivery (CI/CD) pipelines.

– Troubleshoot and resolve technical issues related to blockchain integration and development.

6. **Research & Innovation**:

– Stay updated on the latest trends and advancements in blockchain technology and development tools.

– Experiment with new frameworks and blockchain solutions to improve system performance and features.

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**Required Skills & Qualifications**:

– **Experience**: 3+ years of full-stack development experience, with a focus on blockchain technologies.

– **Frontend**: Proficient in **Next.js** for building server-side rendered React applications.

– **Backend**: Strong knowledge of **Nest.js** for building scalable and maintainable server-side applications.

– **Blockchain**: Experience working with Web3 , smart contractsEthereum, Solana, or similar platforms.

– **APIs**: Expertise in developing RESTful APIs and integrating with third-party services.

– **Version Control**: Proficient in using Git for code management and collaboration.

– **Languages**: Strong proficiency in **JavaScript/TypeScript**.

– **Tools**: Experience with decentralized wallets and blockchain tools like MetaMask, Web3.js, and Ethers.js.

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**Desirable Skills**:

– Experience with decentralized finance (DeFi) applications and NFTs.

– Familiarity with cloud services like AWS, Azure, or GCP.

– Knowledge of Solidity or other blockchain smart contract languages.

– Ability to optimize blockchain applications for performance and scalability.

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**Working Environment**:

– **Location**: Remote, but must work according to **Korean Standard Time (KST)**.

– **Contract Duration**: 3 months, with the possibility of extension based on performance and project needs