Japan has seen a lot of blockchain activity lately and has been seeing a lot of Ethereum based projects itself and has been proactively working on blockchain technology and has been growing the market with multiple projects. Japan see a lot of potential in Ethereum and blockchain technologies for which companies in Japan are ok to pay a bomb for skilled and certified developers. Depending upon the designation, experience, and seniority, Ethereum developer salary in Japan goes around at an average of $7 million Yen to 10 Million Yen.
There are demands for Engineers, Project Managers, Tech Leads and entry level developers who have the open opportunity to earn more than current mainstream developer profile. Japan has always been the hub of technology and they do not wish to go behind with Blockchain and other High-end technologies.