Languages
Java, JavaScript, HTML, Java 8, SQL, Bash, Scala, Kotlin, TypeScript, PHP, Groovy, Python
Frameworks
AngularJS, Vert.x, JavaServer Pages (JSP), Google Guice, Mockito, Spring, Spring MVC, Spring Boot, Swagger, Jersey, Akka, Google Guava, Guice, Hibernate, Activiti BPM, Netty, Dagger
Libraries/APIs
Google Maps, JAX-RS, TensorFlow, JAX-WS, jQuery, Twitter API, Gnip API, Node.js, RESTEasy, Apache Lucene
Tools
Trello, Rally, Maven, Bitbucket, GitHub, Git, Jenkins, Jira, Gatling, Apache Tomcat, Hudson, Vagrant, Gradle, IntelliJ IDEA, IntelliJ, Cucumber, Amazon SQS, AWS Push Notification Service (AWS SNS), Etcd, Subversion (SVN), Varnish, AWS Deployment, JHipster, Apache JMeter
Paradigms
Continuous Integration (CI), Unit Testing, Continuous Delivery (CD), Continuous Deployment, Load Testing, Agile Software Development, REST, Functional Programming
Platforms
Docker, AWS EC2, NetBeans, AWS Kinesis, AWS Lambda, Amazon Web Services (AWS), iOS, Linux, Ubuntu, MacOS, Java EE, Apache Kafka, Oracle, CoreOS, Kubernetes
Storage
Elasticsearch, AWS S3, PostgreSQL, MySQL, MongoDB, AWS DynamoDB, JBoss Infinispan, JBoss AS
Other
Large Scale Distributed Systems, Clustering, DOM, HAProxy, Liferay, TIBCO, AWS, Serverless, API Gateways, SOAP, BPM, EhCache, Akka Actors