Languages
ECMAScript (ES6), JavaScript, Java, SQL, XML, Java 8, CSS3, XSD, Java 9, Java 10, Java 11, TypeScript, PHP, JavaScript 6, Groovy, Dart, GraphQL
Frameworks
Spring, React Native, Grails, Redux, Thymeleaf, Spring 5, Spring Boot, JPA, Spring Security, Spring MVC, Hibernate, Yii, Jest, Material-UI, Apache Camel, Bootstrap, JUnit, Vaadin, AngularJS, AWS HA, Mockito, Ember.js, Camel, Flutter, Tailwind CSS, Next.js
Libraries/APIs
React, Vue.js, jQuery, REST APIs, Node.js, Sinon.JS, Spring LDAP
Paradigms
Mobile Development, Cross-platform, Web Architecture, Management, Service-oriented Architecture (SOA), Agile Software Development, Microservices Architecture
Other
Leadership, Architecture, APIs, Web Development, Full-stack, System Design, CTO, Software Architecture, Spring Web Services, Team Leadership, Technical Leadership, React Native Reanimated, Mechanical Engineering, AWS, Consulting, System Architecture, Logback, SOAP, SAML-auth, AWS Route 53, Enterprise Integration Patterns (EIP), Cloud, Tiptap, ProseMirror
Tools
Webpack, Gradle, Maven, Jenkins, IDEA IDE, Git, Jira, Slack, Solr, ActiveMQ, Apache Solr, SoapUI, AWS CloudFormation, Yarn Workspaces
Platforms
Docker, Java EE, Linux, Windows, Ubuntu, iOS, Android, Amazon Web Services (AWS), Firebase, JavaFX
Storage
PostgreSQL, JSON, Spring Data, Sphinx Search Engine, MongoDB, MySQL, AWS S3