Git, Sql, Spring Boot, Quartz Scheduler, Java, Github, Kibana, Grafana, Hql, Hibernate, React, Groovy On Grails, Postman, Kubernetes, Elasticsearch, Docker, Jenkins, GitLab CI, RESTful API design

Python, Kubernetes, Distributed Systems Architecture, Performance Optimization, C/C++, Linux User-Space Development

File Systems, Unix, C, multi-threading, Microservices, Python, Kubernetes, Gdb, Linux, Operating Systems, data structures