Weekday AI (YC W21)
FullStack Engineer - Blockchain
Weekday AI (YC W21)India1 day ago
Full-timeRemote FriendlyOther
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.

Requirements

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

Key Skills

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