/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: PeterJohn8 https://cdn.slidesharecdn.com/profile-photo-PeterJohn8-48x48.jpg?cb=1622369591 Mostly working on the backend. Implementing new features and handling data migrations. Working with many tech stacks including Ruby on Rails, Python, PHP, Nodejs. And a lot of databases like Mongodb, Cassandra, Redis, Couchbase, Postgres.