Blockchain Developer

Location: Dubai / London / Remote | Engagement: Full-time or project-based | Experience: 3+ years preferred | Reports to: Technology Lead / Founder Build secure, practical blockchain capabilities for Kognitiv Academy, including verifiable learning credentials, digital achievements and integrations that improve learner trust and portability. This is an engineering role, not a token-speculation mandate. What you will own Design, develop and maintain smart contracts, APIs and blockchain integrations where they provide genuine product value. Develop verifiable credentials, on-chain or cryptographically verifiable certificates and badge issuance workflows. Evaluate appropriate chains, standards and wallet experiences against cost, security, privacy and usability. Integrate blockchain services with the learner platform, identity and existing backend systems. Write tests, documentation, monitoring and deployment automation; manage secrets and key security correctly. Coordinate independent reviews or audits before any production smart-contract deployment. Work closely with product, engineering and regulatory advisers on data protection and user consent. Required experience and capabilities 3+ years in software engineering with demonstrable production blockchain/Web3 experience. Strong knowledge of Solidity/EVM or a comparably relevant blockchain stack, secure API design and backend engineering. Understanding of cryptographic signing, wallet interaction, transaction lifecycle and secu