Tech specs

Languages:

Javascript (ES6+, CLJS, TypeScript, JSX)
Python
Java (8, Scala, Clojure, Groovy)
C# (.NET 4+, F#)
PHP
Shell/Bash/zsh
HTML (Jade, HAML)
CSS (SCSS, Less, Stylus)
Obj-C (+ Swift)

Frameworks:

Angular (1, 2)
React
Aurelia
Kendo
jQuery
Lodash
Ramda
Redux
Django
Flask
Spring
Akka
Bootstrap
Foundation
Laravel
WordPress
msgpack
GraphQL
D3
Highcharts
Ionic (1, 2)
VueJS
Serverless

Build:

Gulp
Grunt
NPM (+ Yarn, Bower, Jam, JSPM)
Make
Maven
Grails
Gradle
Ant
Lein
Composer
Docker
Ansible
Chef
Puppet
Terraform
Cloud Formation

Systems:

AWS
GCP
Azure
Lambdas
DynamoDB
BigTable
Redshift
Redis
Cassandra
Cloudera
SQL
Elastic
SQS
RabbitMQ
SNS
MongoDB
MQTT
Nginx
HA Proxy
Neo4j
Athena
TensorFlow
DarkNet
Messenger
Alexa
Google Home
WhatsApp Business
Nexmo
Rekognition
Polly