DauQuangThanh
@DauQuangThanh
Public Skills
mockup-creation
by DauQuangThanh
Create interactive, production-ready UI mockups and prototypes using NuxtJS 4 (Vue) or Next.js (React), TypeScript, and TailwindCSS v4. Use when building web mockups, prototypes, landing pages, dashboards, admin panels, or interactive UI demonstrations. Trigger when users mention "create mockup", "build prototype", "interactive demo", "UI prototype", "design to code", or need rapid frontend development with modern tooling. Prefer NuxtJS for Vue-based projects; use Next.js when users mention ReactJS.
rpg-migration-analyzer
by DauQuangThanh
Analyzes legacy RPG (Report Program Generator) programs from AS/400 and IBM i systems for migration to modern Java applications. Extracts business logic from RPG III/IV/ILE source code, identifies data structures (D-specs), file operations (F-specs), program dependencies (CALLB/CALLP), and converts RPG constructs to Java equivalents. Generates migration reports, complexity estimates, and Java implementation strategies with POJO classes, JPA entities, and service methods. Use when modernizing AS/400 or IBM i legacy systems, analyzing RPG source files (.rpg, .rpgle, .RPGLE), converting RPG to Java, mapping data specifications to Java classes, planning legacy system migration, or when user mentions RPG analysis, Report Program Generator, RPG III/IV/ILE, AS/400 modernization, IBM i migration, packed decimal conversion, or mainframe application rewrite.
jcl-migration-analyzer
by DauQuangThanh
Analyzes legacy JCL (Job Control Language) scripts to assist with migration to modern workflow orchestration and batch processing systems. Extracts job flows, step sequences, data dependencies, conditional logic, and program invocations. Generates migration reports and creates implementation strategies for Spring Batch, Apache Airflow, or shell scripts. Use when working with mainframe job migration, JCL analysis, batch workflow modernization, or when users mention JCL conversion, analyzing .jcl/.JCL files, working with job steps, procedures, or planning workflow orchestration from JCL jobs.
pseudocode-to-specification
by DauQuangThanh
Analyzes pseudocode, algorithms, or code snippets to extract and document functional requirements and business specifications. Produces functional specifications, business logic documentation, data requirements, and workflow specifications focused exclusively on WHAT the system does, not HOW it's implemented. Use when analyzing pseudocode for business logic, extracting functional requirements from algorithms, documenting business behavior from code, reverse engineering functional specifications, or when users mention "pseudocode to spec", "extract requirements", "business logic documentation", "functional specification from code", or "requirements from pseudocode".
pli-migration-analyzer
by DauQuangThanh
Analyzes legacy PL/I (Programming Language One) programs to assist with migration to modern Java applications. Extracts business logic, data structures, procedure definitions, and file operations from PL/I code. Generates migration reports and creates Java implementation strategies. Use when working with mainframe migration, PL/I analysis, legacy system modernization, or when users mention PL/I to Java conversion, analyzing .pli/.PLI/.pl1 files, working with PL/I procedures, or planning Java service implementations from PL/I programs.
cobol-migration-analyzer
by DauQuangThanh
Analyzes legacy COBOL programs and JCL jobs to assist with migration to modern Java applications. Extracts business logic, identifies dependencies, generates migration reports, and creates Java implementation strategies. Use when working with mainframe migration, COBOL analysis, legacy system modernization, JCL workflows, or when users mention COBOL to Java conversion, analyzing .cbl/.CBL/.cob files, working with copybooks, or planning Java service implementations from COBOL programs.
code-security-review
by DauQuangThanh
Conducts comprehensive security code reviews including vulnerability detection (OWASP Top 10, CWE), authentication/authorization flaws, injection attacks, cryptography issues, sensitive data exposure, API security, dependency vulnerabilities, security misconfigurations, and compliance validation (PCI-DSS, GDPR, HIPAA). Produces detailed security assessment reports with CVE references, CVSS scores, exploit scenarios, and remediation guidance. Use when reviewing code security, performing security audits, checking for vulnerabilities, validating security controls, assessing security risks, or when users mention "security review", "vulnerability scan", "security audit", "penetration test", "OWASP", "security assessment", "secure coding", or "security compliance".
technical-writing
by DauQuangThanh
Creates high-quality technical documentation including API documentation, user guides, tutorials, architecture documents, README files, release notes, and technical specifications. Produces clear, structured, and comprehensive documentation following industry best practices. Use when writing technical documentation, creating API docs, developing user guides, documenting architecture, writing tutorials, preparing release notes, or when users mention "technical writing", "documentation", "API docs", "user guide", "tutorial", "README", "technical specification", "architecture document", or "developer documentation".
aws-cloud
by DauQuangThanh
Provides comprehensive AWS (Amazon Web Services) guidance including EC2, S3, RDS, Lambda, ECS/EKS, CloudFormation, API Gateway, CloudFront, cloud migration from on-premise/GCP/Azure, security configuration (IAM, KMS, Security Hub), cost optimization (Savings Plans, Reserved Instances), and multi-region deployment. Produces infrastructure as code (Terraform/CloudFormation/CDK), deployment scripts, security configurations, and architecture designs. Use when deploying to AWS, designing AWS infrastructure, migrating to AWS, configuring EC2 instances, setting up S3 buckets, managing RDS databases, deploying containers on ECS/EKS, building serverless applications, or when users mention AWS, Amazon Cloud, EC2, S3, Lambda, EKS, CloudFormation, CDK, or AWS services.
devops
by DauQuangThanh
Provides comprehensive DevOps guidance including CI/CD pipeline design, infrastructure as code (Terraform, CloudFormation, Bicep), container orchestration (Docker, Kubernetes), deployment strategies (blue-green, canary, rolling), monitoring and observability, configuration management (Ansible, Chef, Puppet), and cloud platform automation (AWS, GCP, Azure). Produces deployment scripts, pipeline configurations, infrastructure code, and operational procedures. Use when designing CI/CD pipelines, automating infrastructure, containerizing applications, setting up monitoring, implementing deployment strategies, managing configurations, or when users mention DevOps, CI/CD, infrastructure automation, Kubernetes, Docker, Terraform, deployment, monitoring, or cloud operations.
platform-migration
by DauQuangThanh
Guides infrastructure and platform migration including cloud-to-cloud migration (AWS to GCP, Azure to AWS), Kubernetes cluster migration, CI/CD platform changes, monitoring stack migration, identity provider migration, and network infrastructure transformation. Covers IaC migration, container orchestration, service mesh, observability tools, and multi-cloud strategies. Use when migrating infrastructure, changing cloud providers, moving Kubernetes clusters, or when users mention "cloud migration", "platform switch", "infrastructure migration", "K8s migration", "multi-cloud", or "cloud provider change".
requirements-gathering
by DauQuangThanh
Guides comprehensive requirements gathering and analysis including stakeholder interviews, user story creation, use case documentation, acceptance criteria, requirements prioritization, and traceability. Produces requirements documents, user stories, use cases, and development roadmaps. Use when gathering requirements, writing user stories, creating acceptance criteria, analyzing stakeholder needs, prioritizing features, or when users mention requirements analysis, business analysis, user stories, use cases, or requirements documentation.
oracle-cloud
by DauQuangThanh
Provides comprehensive Oracle Cloud Infrastructure (OCI) guidance including compute instances, networking (VCN, load balancers, VPN), storage (block, object, file), database services (Autonomous Database, MySQL, NoSQL), container orchestration (OKE), identity and access management (IAM), resource management, cost optimization, and infrastructure as code (Terraform OCI provider, Resource Manager). Produces infrastructure code, deployment scripts, configuration guides, and architectural diagrams. Use when designing OCI architecture, provisioning cloud resources, migrating to Oracle Cloud, implementing OCI security, setting up OCI databases, deploying containerized applications on OKE, managing OCI resources, or when users mention "Oracle Cloud", "OCI", "Autonomous Database", "VCN", "OKE", "OCI Terraform", "Resource Manager", "Oracle Cloud Infrastructure", or "OCI migration".
alibaba-cloud
by DauQuangThanh
Provides comprehensive Alibaba Cloud (Aliyun) guidance including ECS, ApsaraDB, OSS, SLB, VPC, RAM, ACK (Kubernetes), Function Compute, API Gateway, CDN, and monitoring services. Covers infrastructure provisioning with Terraform/ROS, cloud architecture design, security best practices, cost optimization, and migration strategies. Produces infrastructure code, deployment scripts, architecture diagrams, and operational procedures. Use when working with Alibaba Cloud services, designing cloud architecture on Aliyun, migrating to Alibaba Cloud, setting up Chinese cloud infrastructure, implementing multi-region deployments in China, or when users mention Alibaba Cloud, Aliyun, ECS, OSS, ApsaraDB, ACK, RDS, SLB, or Chinese cloud computing.
ibm-mainframe
by DauQuangThanh
Provides comprehensive IBM Mainframe administration, development, and modernization guidance including z/OS operations, JCL scripting, COBOL/PL/I programming, CICS/IMS configuration, DB2 administration, TSO/ISPF usage, system programming, batch processing, and mainframe-to-cloud migration strategies. Covers mainframe security (RACF, ACF2), performance tuning, capacity planning, disaster recovery, and DevOps integration. Use when working with mainframe systems, z/OS, JES2/JES3, VTAM, USS, or when users mention "mainframe", "z/OS", "MVS", "TSO", "ISPF", "JCL", "CICS", "IMS", "DB2 mainframe", "VSAM", "RACF", "mainframe modernization", "legacy mainframe", or "IBM z Systems".
backend-design-review
by DauQuangThanh
Conducts comprehensive backend design reviews covering API design quality, database architecture validation, microservices patterns assessment, integration strategies evaluation, security design review, and scalability analysis. Evaluates API specifications (REST, GraphQL, gRPC), database schemas, service boundaries, authentication/authorization flows, caching strategies, message queues, and deployment architectures. Identifies design flaws, security vulnerabilities, performance bottlenecks, and scalability issues. Produces detailed design review reports with severity-rated findings, architecture diagrams, and implementation recommendations. Use when reviewing backend system designs, validating API specifications, assessing database schemas, evaluating microservices architectures, reviewing integration patterns, or when users mention backend design review, API design validation, database design review, microservices assessment, or backend architecture evaluation.
google-cloud
by DauQuangThanh
Provides comprehensive Google Cloud Platform (GCP) guidance including Compute Engine, Cloud Storage, Cloud SQL, BigQuery, GKE (Google Kubernetes Engine), Cloud Functions, Cloud Run, VPC networking, load balancing, IAM, Cloud Build, infrastructure as code (Terraform, Deployment Manager), security configuration, cost optimization, and multi-region deployment. Produces infrastructure code, deployment scripts, configuration guides, and architecture designs. Use when deploying to Google Cloud, designing GCP infrastructure, migrating to GCP, configuring GCE instances, setting up Cloud Storage, managing Cloud SQL databases, working with BigQuery, deploying to GKE, or when users mention "Google Cloud", "GCP", "Compute Engine", "Cloud Storage", "BigQuery", "GKE", "Cloud Run", "Cloud Functions", "VPC", "Cloud SQL", or "Google Cloud Platform".
architecture-design-review
by DauQuangThanh
Conducts comprehensive architecture design reviews including system design validation, architecture pattern assessment, quality attributes evaluation, technology stack review, and scalability analysis. Produces detailed review reports with findings, recommendations, and risk assessments. Use when reviewing software architecture designs, validating architecture decisions, assessing system scalability, evaluating technology choices, or when users mention architecture review, design assessment, technical review, or architecture validation.
bug-analysis
by DauQuangThanh
Analyzes software bugs including root cause identification, severity assessment, impact analysis, reproduction steps validation, and fix recommendations. Performs bug triage, categorization, duplicate detection, and regression analysis. Use when investigating bugs, analyzing crash reports, triaging issues, debugging problems, reviewing error logs, or when users mention "analyze bug", "investigate issue", "debug problem", "bug report", "crash analysis", "root cause analysis", or "fix recommendation".
code-quality-review
by DauQuangThanh
Conducts comprehensive code quality reviews including code smells detection, maintainability assessment, complexity analysis, design pattern evaluation, naming conventions, code duplication, technical debt identification, and best practices validation. Produces detailed review reports with specific issues, severity ratings, metrics analysis, and actionable improvement recommendations. Use when reviewing code quality, analyzing code maintainability, detecting code smells, checking coding standards, measuring code complexity, identifying technical debt, or when users mention "code quality review", "code quality check", "maintainability analysis", "code smells", "clean code", "refactoring candidates", or "technical debt assessment".
project-planning
by DauQuangThanh
Guides comprehensive software project planning including task breakdown, estimation, sprint planning, backlog management, resource allocation, milestone tracking, and risk management. Creates user stories, acceptance criteria, project roadmaps, and work breakdown structures. Use when planning software projects, organizing sprints, breaking down features into tasks, estimating effort, managing backlogs, or when users mention "project planning", "sprint planning", "task breakdown", "roadmap", "backlog management", "user stories", or "project estimation".
system-migration
by DauQuangThanh
Guides operating system and hardware platform migrations including Linux distribution changes, Windows to Linux migration, mainframe to x86 modernization, data center migrations (physical to virtual, P2V, V2V), hardware platform changes, system consolidation, and legacy system decommissioning. Covers OS compatibility, driver migration, system configuration transfer, and cutover procedures. Use when migrating operating systems, changing hardware platforms, moving from mainframes, or when users mention "OS migration", "Linux migration", "mainframe modernization", "P2V migration", "system upgrade", "data center migration", or "legacy system replacement".
azure-cloud
by DauQuangThanh
Provides comprehensive Microsoft Azure guidance including Azure Virtual Machines, Azure Storage (Blob, Files, Disks), Azure SQL Database, Azure App Service, Azure Functions, AKS (Azure Kubernetes Service), Azure DevOps, ARM templates, Bicep, Terraform for Azure, Azure Active Directory, Azure Key Vault, Azure Monitor, cost optimization, and multi-region deployment. Produces infrastructure as code (Terraform/Bicep/ARM), deployment scripts, security configurations, and architecture designs. Use when deploying to Azure, designing Azure infrastructure, migrating to Microsoft Azure, configuring VMs, setting up Azure Storage, managing Azure SQL, working with AKS, or when users mention Azure, Microsoft Cloud, Azure Portal, ARM templates, Bicep, Azure Functions, App Service, or Azure DevOps.
architecture-design
by DauQuangThanh
Designs comprehensive software solution architectures including system components, technology stacks, integration patterns, scalability strategies, and deployment models. Produces architecture diagrams, technical specifications, and implementation roadmaps. Use when planning new software systems, modernizing legacy applications, designing microservices, evaluating technology choices, creating architecture documentation, or when users mention system design, architecture patterns, scalability planning, or technical architecture decisions.