- Blockchain / API Integrations DeveloperRole based in London (Hybrid - 2 days in office) £600 to £650/ day Umbrella This is a Blockchain / API Integrations Developer role within knowledge of Strong API development skills (preferably NodeJS) - designing, building and testing APIs, integrating with 3rd party APIs, API design patterns. Candidates should have Hands-on experience with either private permissioned (Hyperledger Besu, Consensys Quorum etc) or publicBlockchain / API Integrations DeveloperRole based in London (Hybrid - 2 days in office) £600 to £650/ day Umbrella This is a Blockchain / API Integrations Developer role within knowledge of Strong API development skills (preferably NodeJS) - designing, building and testing APIs, integrating with 3rd party APIs, API design patterns. Candidates should have Hands-on experience with either private permissioned (Hyperledger Besu, Consensys Quorum etc) or public
