YesorNo is likely a Web3-focused company, possibly operating in the prediction markets or decentralized applications space. The emphasis on big data processing and analysis systems suggests they handle large volumes of transactional or user data. Their need for a backend engineer with security expertise indicates they prioritize robust, scalable infrastructure for their Web3 products. Being a remote-first company, they value self-motivated individuals who can thrive in distributed teams while working on cutting-edge blockchain technologies.