AI & ML, Apache Lucene, Apache Kafka, Apache Solr, Elastic search, gRPC, gRPC-web, Magento, React, Angular, Javascript(frameworks and Nodejs), Ethical Hacking, Designing, Web Development(HTML, CSS, JS), Web, Mobile(ios & android) & Desktop(windows, linux, macOS) application development, Docker, Jenkins, Shell Script, Linux Kernel development.
Embedded Systems (both software & hardware), RTOS, IoT, Firmware development for an embedded device.