Senior Fullstack Blockchain Developer

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ClanX

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Recruitment • AI • HR Tech

ClanX is a specialized recruitment agency focusing on technology roles such as engineers, product managers, and designers. Leveraging a network of tech professionals, the company provides a rapid and efficient hiring process with no upfront fees, ensuring a high-quality match for companies looking to fill technical positions. With a high match rate and quick turnaround times, ClanX uses AI-powered tools and deep industry expertise to vet candidates thoroughly. They offer a success-based payment model and a free replacement period, ensuring satisfaction with their hires.

2 - 10 employees

🎯 Recruiter

👥 HR Tech

📋 Description

• Design and build full stack features: backend services, APIs, web front-ends (dashboards, tools) • Develop and deploy smart contracts, manage on chain and off chain integration • Implement blockchain integrated workflows (verification, staking, consensus, data pipelines) • Ensure system reliability, performance, security and scalability • Collaborate on architecture and system design across teams (backend, blockchain, frontend) • Maintain code quality, documentation and best practices

🎯 Requirements

• 5+ years of full stack development experience using the MERN stack (MongoDB, Express, React/Node.js) • Minimum 2 years of smart contract or blockchain development experience (Solidity or similar) • Strong backend skills (API design, databases, distributed architectures) • Proficiency in frontend development: JavaScript/TypeScript, React (or similar), building dashboards or tools • Experience integrating on chain and off chain systems • Understanding of blockchain fundamentals: staking systems, consensus workflows, RPC interactions • Comfort working in a fast-moving startup style environment, taking ownership end to end