- Backend (C#, ASP.NET WebAPI, .NET Core, Node.js, Express.js, Hapi.js, C++(14), REST, GraphQL, RabbitMQ, Nginx, Unit testing)
- Frontend (Native HTML, CSS, Javascript, TypeScript, SASS/LESS, Angular 1.x/2/4/5, Unit Testing)
- Mobile (iOS - Swift, Xamarin)
- Data (MS SQL Server, ElasticSearch, MongoDB, Redis, RavenDB, Oracle, PostgreSQL)
- AI (TensorFlow, Faiss)
- Cloud (AWS, Azure)
- Containerization (Docker, Kubernetes)
- OS (Windows, OSX, CoreOS, Linux)
- Tools (Git, npm, Grunt.js, JIRA, Jenkins, TeamCity, Pivotal Tracker)