Our company is looking for a Back-End Web 3.0 Developer with blockchain experience who is motivated in technical implementation, taking an active role and defining how the application looks as well as how it works. Responsibilities Integration of user-facing elements developed by a front-end developers with server side logic Building reusable code and libraries for future use Optimization of the application for maximum speed and scalability Implementation of security and data protection Design and implementation of data storage solutions Skills Expert understanding of Web 3.0 Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3 Good understanding of server-side CSS preprocessors, such as LESS and SASS Understanding accessibility and security compliance User authentication and authorization between multiple systems, servers, and environments Integration of multiple data sources and databases into one system Management of hosting environment, including database administration and scaling an application to support load changes Data migration, transformation, and scripting Setup and administration of backups Outputting data in different formats Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform Creating database schemas that represent and support business processes Implementing automated testing platforms and unit tests Proficient knowledge of a back-end programming language Proficient understanding of code versioning tools, such as Git Proficient understanding of OWASP security principles Understanding of “session management” in a distributed server environment