FullStack Engineer Blockchain

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 #J-18808-Ljbffr