Technical Skills
Core Engineering
Linux Administration ExpertPython ExpertDjango ExpertFastAPI AdvancedGolangBash ScriptingMySQL ExpertPostgreSQL AdvancedREST APIsNginx
Application Development
Object-Oriented ProgrammingMVC ArchitectureSystem DesignREST API DesignGraphQLWebSocketsAsync ProgrammingJWT & OAuth 2.0Role-Based Access ControlThird-Party API IntegrationBackground JobsCeleryRedis CachingDatabase ORMUnit & Integration TestingAPI DocumentationError HandlingApplication LoggingHTML5 & CSS3JavaScriptReactNode.jsPHP & Laravel
Server Administration & Hosting
Server ProvisioningSSH AdministrationUser & Permission ManagementService ManagementSystemdApacheNginxGunicornUvicornReverse ProxyLoad BalancingVirtual HostsDNS ManagementSSL Certificate ManagementCron AutomationProcess MonitoringLog RotationStorage & LVMRAIDVirtualizationKVMPerformance TuningCapacity PlanningBackup & RestoreDisaster Recovery
Operating Systems
Ubuntu ServerDebianCentOSRed Hat Enterprise LinuxRocky LinuxAlmaLinuxKali LinuxWindows ServermacOSFreeBSDLinux SystemdPackage Management
DevOps & Cloud
CI/CD PipelinesDockerKubernetesTerraformAnsibleInfrastructure as CodeGitJenkinsGitHub ActionsAWSConfiguration ManagementBlue-Green DeploymentMonitoring & AlertingCentralized LoggingBackup Automation
Network Security
TCP/IPDNS & DHCPSubnettingVLANsRouting & SwitchingFirewall ManagementVPNIPsecWireGuardNetwork SegmentationLoad BalancingReverse ProxyHigh AvailabilityIDS / IPSTraffic Analysis
Cybersecurity
System HardeningZero-Trust SecurityIdentity & Access ManagementLeast PrivilegeSSL / TLSPKI & CertificatesVulnerability AssessmentPatch ManagementSecurity MonitoringLog AnalysisIncident ResponseThreat DetectionOWASP SecurityFail2banDisaster Recovery