Blockchain Developer
تفاصيل الوظيفة
Job Title: Senior Blockchain & Backend Developer Job Description: We are seeking a highly skilled and experienced Senior Blockchain & Backend Developer with expertise in NestJS, Web3 technologies, and blockchain development, including Sui and Move language. The ideal candidate will lead the development of scalable backend services and decentralized applications (dApps), integrate blockchain functionalities, and deploy secure cloud-based solutions. As a senior member of the team, you will also mentor and guide developers while contributing to architecture and strategic decisions.
Key Responsibilities:
- Lead the development and deployment of backend services using NestJS, including building REST/GraphQL APIs.
- Implement and manage crypto wallet integrations (e.g., Metamask, WalletConnect).
- Integrate Web3.js / Ethers.js with blockchain networks like Ethereum, BSC, and Polygon.
- Design and deploy secure, scalable cloud applications on AWS EC2, Amplify, and S3 Buckets.
- Optimize and manage PostgreSQL databases for performance and scalability.
- Oversee the implementation of microservices architecture and DevOps practices, including CI/CD pipelines and Docker deployments.
- Ensure application security, scalability, and performance.
- Mentor and guide junior developers and technical teams, fostering an innovative and collaborative environment.
- Stay up-to-date with emerging blockchain technologies, tools, and best practices.
Requirements:
- 4+ years of hands-on experience in backend development with NestJS and TypeScript.
- Proven expertise in Web3.js / Ethers.js and blockchain integration, including smart contract development.
- Strong knowledge of Sui blockchain and Move language.
- Experience with crypto wallet integration and management.
- Proficiency in PostgreSQL database management and query optimization.
- Hands-on experience with AWS EC2, Amplify, S3 Buckets, RDS, and CI/CD pipelines.
- Experience with Docker, Redis, and microservices architecture.
- Strong problem-solving, communication, and leadership skills.
Nice to Have:
- Experience with IPFS, The Graph, and DeFi applications.
- Knowledge of serverless architectures and decentralized exchanges (DEX).
- Understanding of blockchain consensus mechanisms and cryptographic principles.
Seniority level
Mid-Senior levelEmployment type
Full-timeJob function
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