Roles · Technical Writer · Principal

What a Principal } should know

10 core skills, 45 in total. Expectations per skill, and what changes at the next level.

This page lists what a Principal } is expected to know and do, skill by skill. Core skills are the ones a manager and peers assess in a review cycle; the rest count only in self-assessment. Main areas: API & Integration, Version Control & Collaboration, Documentation.

10core skills
35additional skills
3skill areas
100%at Advanced or Expert
Assess myself as Principal Full role matrix

Core skills for a Principal

Grouped by area. The label on the right is the expected depth: Awareness, Working, Advanced or Expert.

API & Integration · 1

Shapes corporate API strategy from a documentation and developer experience perspective. Defines how API documentation supports business goals: partner ecosystem, platform strategy, API monetization.

Version Control & Collaboration · 1

Shapes documentation-as-code strategy at the corporate level. Defines how docs-as-code integrates with SDLC, developer experience, and knowledge management. Ensures scalability of the approach as the organization grows.

Documentation · 8

Defines technical writing standards for API documentation at the company scale. Shapes approaches to multi-audience documentation (internal devs, partners, public). Researches and implements best practices from leading developer portals (Stripe, Twilio, GitHub).

Shapes the company's architectural knowledge strategy: unified architecture knowledge base, enterprise architecture integration, governance processes. Defines how architecture documentation supports strategic technical decision-making.

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.

Shapes long-term documentation platform strategy: technology selection, roadmap development, integration with developer ecosystem. Determines investments in documentation infrastructure and custom tooling.

Shapes corporate knowledge management strategy. Determines investments in knowledge management tools and infrastructure. Builds connections between tacit and explicit knowledge, ensuring organizational learning.

Shapes operational documentation strategy at the corporate level. Defines how runbooks integrate with SRE practices, incident management, and organizational resilience. Ensures knowledge transfer during incidents.

Shapes technical content strategy at the company level. Defines how engineering blog supports business goals: developer adoption, hiring, thought leadership, partner ecosystem. Manages content budget and team.

Shapes customer-facing documentation strategy at the company level. Determines investments in documentation tools and team. Ensures documentation supports product adoption, customer success, and self-service support.

Additional skills

Not assessed by the team, but part of the self-assessment and the development plan.

AI Documentation GenerationAlgorithms & ComplexityAPI DocumentationAPI Versioning StrategiesArchitecture Decision Records (ADR)Async ProgrammingAWSChatGPT / ClaudeClean ArchitectureCode Quality & RefactoringCode ReviewData StructuresDesign PatternsDockerGit AdvancedGit LFSGitHub Actions / GitLab CIGitHub CopilotGraphQL DesigngRPC & Protocol BuffersHexagonal ArchitectureInnerSource PracticesIntegration TestingKubernetes CoreMicroservices DecompositionOOP & SOLID PrinciplesOWASP & Application SecurityPostgreSQLPrometheus & GrafanaPrompt Engineering for CodeServer-Sent Events & StreamingStructured LoggingSystem Design FundamentalsUnit TestingWebSocket API Design
Run this with your whole team
Self-assessment plus manager and peer reviews against the same matrix, gap analysis and next-level readiness for every engineer. Team Pro is free for 14 days; individual tools stay free forever.
Start a team trial (14 days free) Send to my manager

} in the open competency matrix: 45 skills across 5 levels. The matrix is free for individuals and stays free.