Diagramming: Mermaid, PlantUML, D2

Can read and create basic diagrams: flowcharts, sequence diagrams, user flows. Uses Miro, Lucidchart or draw.io for visualizing product processes. Understands UML notation at a basic level.

Proficient with basic diagramming tools: draw.io, Lucidchart, Miro. Can create simple diagrams: flowcharts, sequence diagrams, mind maps. Knows basic notations: UML basics, flowcharts, network diagrams.

Applies Mermaid, PlantUML, or D2 to build threat model diagrams, basic attack trees, and network topology maps. Understands trade-offs between diagram formats for security documentation. Creates incident flow visuals independently.

Uses Mermaid, PlantUML, or D2 for technical design documents, component diagrams, and data flow visuals. Chooses appropriate diagram types for sequence and interaction modeling. Creates clear architecture sketches for the team independently.

Creates technical diagrams for product specifications: sequence diagrams for API interactions, data flow diagrams, state machines. Uses C4 model for documenting architecture at different levels.

Creates complex technical diagrams: C4 model (all 4 levels), data flow diagrams, state machines, ER diagrams. Uses diagrams-as-code tools (Mermaid, PlantUML). Maintains visual consistency and diagram readability.

Designs production-grade threat modeling diagrams, multi-layer attack trees, and detailed network topology maps using Mermaid, PlantUML, or D2. Optimizes diagram complexity for incident response playbooks. Mentors analysts on security diagramming practices.

Designs production-grade C4 model diagrams, integration pattern visuals, and deployment architecture maps using Mermaid, PlantUML, or D2. Optimizes diagram layering for different stakeholder audiences. Mentors teams on architectural diagramming standards.

Designs production-grade component diagrams, detailed data flow visuals, and sequence diagrams for complex systems using Mermaid, PlantUML, or D2. Optimizes technical documentation with layered diagram views. Mentors engineers on design documentation best practices.

Designs comprehensive architectural diagrams for cross-team alignment: system context, container, and component levels. Creates dynamic diagrams for complex workflows. Defines visualization standards for teams.

Designs visual language and diagramming standards for the project. Implements diagrams-as-code approach: Mermaid/PlantUML in Git, auto-generation from code, CI validation. Creates interactive diagrams for the developer portal (clickable architecture maps).

Defines diagramming strategy for threat modeling, attack surface visualization, and incident response documentation. Establishes standards for security architecture diagrams, network topology maps, and compliance visuals. Conducts reviews of security diagram accuracy and completeness.

Defines diagramming strategy for system architecture, C4 model adoption, and integration pattern documentation at the product level. Establishes standards for deployment diagrams, infrastructure visuals, and architecture decision records. Conducts reviews of architectural diagram consistency.

Defines diagramming strategy for technical design documentation, component modeling, and data flow visualization at the team level. Establishes standards for sequence diagrams, API interaction visuals, and system boundary maps. Conducts reviews of technical diagram clarity and accuracy.

Defines diagram standards and templates for the product division. Introduces diagrams-as-code approach (Mermaid, PlantUML) with versioning. Trains teams on effective visual communication of architectural decisions.

Defines organizational standards for technical information visualization: notations, tools, color schemes, templates. Coordinates creation of unified system landscape diagrams combining knowledge from different teams. Trains on visualization techniques.

Defines organization-wide diagramming strategy for enterprise threat modeling, security architecture documentation, and compliance reporting visuals. Establishes enterprise approaches to attack surface mapping and incident response diagramming. Mentors leads and architects on security visualization standards.

Defines organization-wide diagramming strategy for enterprise architecture, C4 model governance, and integration pattern standardization. Establishes enterprise approaches to deployment and infrastructure diagramming across all product lines. Mentors leads and architects on architectural visualization maturity.

Defines organization-wide diagramming strategy for technical design documentation, component modeling standards, and data flow visualization patterns. Establishes enterprise approaches to sequence diagrams and system boundary mapping. Mentors leads and architects on technical diagramming excellence.

Shapes enterprise approach to visual architecture documentation. Defines catalog of diagram types for different stakeholders. Integrates diagrams into developer portal and organization's architecture repository.

Shapes technical knowledge visualization strategy at the company level. Defines tools and approaches for diagramming automation. Ensures visual documentation serves as living documentation reflecting the actual state of systems.