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FullStack Engineer - Blockchain at Weekday AI. This role is for one of the Weekday's clients. Min Experience: 3 years. Location: Remote (India). JobType: full-time. We are seeking an exceptional . Full Stack Engineer (Blockchain). to join our innovative, cross-functional team. You’ll work at the intersection of blockchain, full-stack development, and modern DevOps, contributing to cutting-edge decentralized applications and blockchain-based solutions.. Key Responsibilities. Participate in software design discussions and contribute to architecture diagrams, API specifications, and technical blueprints. . Develop and maintain full-stack applications using . JavaScript, TypeScript, Node.js. , and modern frameworks for both frontend and backend systems. . Design, build, and deploy . smart contracts. on Ethereum and other blockchain networks. . Integrate . crypto payment gateways. and blockchain APIs into existing systems. . Manage deployment pipelines using . DevOps tools. such as Docker, Kubernetes, GitLab, Jenkins, and GitHub. . Implement and optimize blockchain protocols including . Ethereum, Bitcoin, and side-chains. . . Ensure strong security and cryptographic standards across all blockchain operations, including . key management. , encryption, and data protection. . Build and maintain . REST APIs. and real-time applications using frameworks such as . React.js, Vue.js, Node.js. , and messaging systems like . Redis and RabbitMQ. . . Create responsive, dynamic user interfaces with . Bootstrap, CSS3, AJAX, and jQuery. . . Write and maintain comprehensive technical documentation, including design, implementation, and deployment guides. . Collaborate with product managers, blockchain architects, and external partners to design . POCs (Proof of Concepts). and . MVPs (Minimum Viable Products). . . Provide mentorship and technical guidance to team members and support ongoing product maintenance. . Participate in client discussions and product demonstrations when required. . Required Experience & Skills. Strong experience in . smart contract development. on Ethereum. . Proficiency in . TypeScript, Node.js. , and experience with . Ethereum or Bitcoin. ; exposure to other blockchain ecosystems is a plus. . Hands-on experience with . crypto payment gateway integrations. . . Familiarity with . DevOps tools and CI/CD pipelines. (Docker, Kubernetes, GitLab, Jenkins). . Deep understanding of . distributed ledger technologies, consensus algorithms. , and . cryptographic principles. . . Solid knowledge of . blockchain data structures, security design patterns. , and . HSM-based key management. . . Proven experience in . REST API development. and modern JavaScript frameworks (. React.js. , . Vue.js. ). . Strong understanding of . web technologies. including Bootstrap, AJAX, and jQuery. . Excellent problem-solving and collaboration skills, with the ability to work in fast-paced environments. . Preferred Qualifications. Bachelor’s Degree in . Computer Science, Engineering. , or a related field. . Experience contributing to . open-source blockchain projects. . . Strong understanding of . cryptographic security. , . distributed systems. , and . cloud-native deployments. . . Prior experience testing or developing . blockchain-based products. or . decentralized systems. . . Skills:. Blockchain Development, Smart Contracts (Ethereum), TypeScript, Node.js, React.js, Crypto Payment Integration, DevOps (Docker, Kubernetes, Jenkins), REST API Development, Cryptography, Distributed Ledger Technology. Company Location: India.