Our Stack Languages: Ruby Frameworks: RoR / Sinatra Databases: PostgreSQL / MySQL / MongoDB / Redis /..Our Stack Languages: Ruby Frameworks: RoR / Sinatra Databases: PostgreSQL / MySQL / MongoDB / Redis /.., Ruby on Rails, SQL, Web service, Elasticsearch, AWS, Python, Golang Additionally: Flexible working..What You Should Have In-depth knowledge of Ruby language and Rails framework Great knowledge of SQL Good..pragmatism, which is reflected in your elegant code that other developers emulate. ] Requirements: Ruby