| System Administration | Linux, Shell Scripting | Experience, Nvimc, Dstroman, Gits |
| Version Control & CI/CD | Git, Jenkins, GitHub Actions | Experience, Pweb, Gits |
| Cloud Computing | AWS IAM, EC2, VPC, S3, RDS, ECR, ECS, EKS | Experience |
| Containerization & Orchestration | Docker, Kubernetes | Experience, Monc, Nvimc, Pweb, Dstroman, UserSystem |
| Backend Development (Java) | Core Java, Maven, Spring Boot, Hibernate, Spring Security | UserSystem OrderLakeHouse |
| Site Reliability Engineering (SRE) & Observability | Prometheus, PromQL, Grafana, Alertmanager, Exporters | Experience, Monc |
| Web Development | Node.js, Express.js, HTML5, CSS3, JavaScript | Pweb |
| Databases | SQL, MySQL | UserSystem |
| Big Data | Apache Kafka, Hadoop | OrderLakeHouse |
| Software Engineering & Computer Science | System Design, Design Patterns, SOLID Principles, Troubleshooting & Debugging, Networking, Operating Systems, Database Management Systems (DBMS), Distributed Systems, Cloud Computing, Big Data, Microservices | All |