Programming Languages: Java, C#, C++, JavaScript, TypeScript, Dart, HTML, SASS, CSS, Phyton, GoLang

Build and Runtime Environments: Microsoft .NET Core and .NET Framework, Microsoft ASP. NET CORE and ASP.NET, Spring and Spring Boot, Node.js, Unity

Web Frameworks: React, Angular.js and Angular, Vue.js

Mobile Frameworks: Flutter, Android native, Unity

Communication Streams: RESTFull API-s, Apache Kafka, ActiveMQ, Amazon SQS, SignalR

DevOps Platforms: GitLab, GitHub, Azure DevOps, Atlassian (Jira, Confluence)

Cloud Platforms: Google Cloud, Azure, AWS, MindSphere, Mendix, SAP Hana, Firebase

Databases: MS SQL, PostgreSQL, Apache Cassandra, MongoDB, MariaDB, Firebase, Firestore, ElasticSearch, MS Entity Framework

Testing Tools: JUnit/NUnit, Protractor, Karma, TestRail, XRay

Virtualizations: Docker, Kubernetes, OpenShift

Authentication Systems and Protocols: Keycloak, Spring Security, Firebase Auth, OpenID, Connect, OAuth

Machine Learning: TensorFlow, Python Keras, Firebase ML

Design Systems: OpenUI5, SAP Fiori, Material Design, Bootstrap, Swagger