Backend Developer - Blockchain/Node.js

Responsibilities - Development of NodeJS based frameworks and libraries - Development of relational/non-relational databases - Development of Swagger/OpenAPI based RESTful APIs - Development of JSON-RPCs based on WebSocket or IPC - Implementation of Lisk improvement proposals - Development planning: requirements gathering and design - Debugging, root-cause analysis, bug fixing - Unit and integration testing - Quality assurance Requirements - Native level fluency in English (spoken and written) - 5+ years professional development experience - Expert knowledge of blockchain, cryptography, distributed networks - Expert knowledge of Lisk, Bitcoin, Ethereum and other protocols - Expert knowledge of NodeJS - Expert knowledge of JavaScript/TypeScript - Expert knowledge of HTTP, WebSockets, JSON-RPC - Expert knowledge of RocksDB, LevelDB, etc - Advanced knowledge of Sinon, Chai, Jest - Advanced knowledge of Git (and GitHub) Nice-to-have - Experience with Ethereum, Substrate and Cosmos development - Experience with Decentralized Finance (DeFi) - Advanced knowledge of Go, Rust, C++