- C/C++
- Boost, C++11/14, thread, mutex, once_flag, lock_guard
- FFmpeg, avformat, avcodec, avutil, avfilter. librtmp,
- CMake, Premake
- ZeroMQ
- Android NDK, SWIG
- GCC
- CppChecker, Valgrind
- Java
- JVM
- Spring Framework, Spring Boot, DI, AOP, @Autowired
- DropWizard
- Swagger
- Hibernate, JPA
- RabbitMQ
- Lombok, Guava
- Maven, Gradle
- Grooby, Scala
- JavaScript
- Prototype
- Angularjs, reactjs, nodejs
- OOP, Design Pattern
- DBMS
- SQL
- Oracle, MySQL, PostgreSQL, H2, Sqlite
- VCS
- Collaboration
- Redmine, JIRA, Trello, Slack
- OS
- CentOS 6/7, RedHat, Ubuntu
- Solaris 11
- Windows
- Tool
- Visual Studio, Visual Studio Code, Sublime Text
- Atom, Vi
- Erwin
- VLC Player
- Eclipse, STS, CDT, mylyn
- IntelliJ
- Source Tree
- MinGW, Cygwin
- Jenkins
- Docker
- Kafka