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IaaS / Cloud / Hosts

AWS Azure GCE

Operating Systems

Android Linux iOS

Automated Provisioning

Ansible Chef Puppet Salt Terraform

Languages

Bash C C++ CSS HTML JS Java Kotlin MATLAB Node Objective-C Python R Ruby SQL Scala Swift TypeScript

Application Frameworks

Django Rails Spring

Containers

Docker

Big Data / Distributed Processing Platforms

ElasticSearch Hadoop Hive Kafka MapReduce Spark

Source Code Management

Git

Build Tools / Dependency Managers / Module Bundlers

Gradle Maven Webpack

Continuous Integration

Jenkins

Container Orchestration / Schedulers

Kubernetes

Databases

MySQL PostgreSQL Redis

UI Frameworks and Libraries

React React Native