Defines organizational algorithmic strategy for mobile development: enterprise mobile performance standards, cross-platform rendering optimization governance, mobile-specific computational efficiency frameworks. Makes strategic decisions on mobile platform performance investments.
Roles · Flutter Developer · Principal
What a Principal } should know
34 core skills, 49 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: Programming Fundamentals, Frontend Development, Mobile Development.
Core skills for a Principal
Grouped by area. The label on the right is the expected depth: Awareness, Working, Advanced or Expert.
Programming Fundamentals · 7
Defines organizational async strategy for mobile: enterprise Dart async standards, cross-platform concurrency governance, async architecture maturity model for mobile development. Makes strategic decisions on async infrastructure for mobile workloads.
Defines organizational code quality strategy for Flutter/mobile development: cross-platform code sharing standards, widget architecture governance, mobile-specific quality frameworks. Makes decisions on Dart/Flutter tooling investments and shapes organization-wide mobile development practices.
Defines organizational data structure strategy for mobile development: cross-platform data model governance, offline-first architecture standards, mobile data synchronization frameworks. Makes strategic decisions on mobile data infrastructure investments.
Defines organizational strategy for design patterns in mobile: evaluates enterprise approaches to mobile architecture patterns, makes technology decisions on state management and app architecture standards, mentors leads on strategic pattern application for mobile product lines.
Defines organizational OOP strategy for mobile development: enterprise Flutter/Dart architecture standards, cross-platform widget composition governance, mobile code design maturity frameworks. Makes strategic decisions on mobile architecture patterns and tooling investments.
Defines organizational strategy for type safety in Flutter/Dart ecosystems — makes strategic decisions on analysis strictness levels, codegen tooling adoption, and cross-platform type sharing approaches. Mentors lead developers on type-driven architecture and shapes technical vision for type-safe mobile development practices.
Frontend Development · 2
Defines the organization's frontend strategy. Evaluates frameworks and approaches. Shapes platform solutions for all frontend teams.
Defines the organization's frontend strategy. Evaluates frameworks and approaches. Shapes platform solutions for all frontend teams.
Mobile Development · 7
Shapes organizational mobile discoverability strategy for cross-platform products: evaluates enterprise ASO tooling, designs global localization frameworks for store listings, establishes data-driven experimentation culture for store optimization across all product lines.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
API & Integration · 4
Defines organizational API documentation strategy for mobile-first platforms spanning Flutter, backend services, and platform SDKs. Designs platform-level documentation architecture for client-facing APIs with automated SDK documentation generation. Establishes enterprise API governance standards ensuring exceptional developer experience across all mobile consumer teams.
Defines organizational GraphQL API strategy for cross-platform Flutter ecosystems. Designs platform-level GraphQL gateway architecture serving mobile, web, and embedded clients. Establishes enterprise API governance standards balancing developer experience with performance and security requirements across product lines.
Defines organizational API strategy for mobile: enterprise mobile API platform standards, cross-team mobile API governance, API infrastructure investment decisions for mobile clients. Designs enterprise-grade API architecture for mobile applications.
Defines enterprise real-time communication strategy for mobile platforms. Evaluates WebSocket vs Server-Sent Events vs gRPC streaming for different mobile use cases. Establishes organizational standards for real-time mobile infrastructure. Drives adoption of efficient real-time communication architectures at scale.
DevOps & CI/CD · 1
Defines organizational DevOps strategy for mobile: designs internal developer platform for enterprise mobile CI/CD, builds engineering excellence culture for mobile release management, evaluates platform engineering approaches for Flutter/mobile development at scale.
Testing & QA · 4
Defines organizational QA strategy for Flutter/mobile applications. Builds quality engineering culture across mobile development teams. Implements platform testing solutions for device fragmentation and cross-platform consistency. Shapes industry practices for mobile app quality assurance and automated E2E testing.
Defines organizational QA strategy for Flutter-based product portfolios spanning mobile, web, and embedded platforms. Builds quality engineering culture integrating widget testing, golden file validation, and end-to-end cross-platform verification. Implements platform testing solutions including shared device farms, visual regression infrastructure, and automated compatibility matrices.
Defines the organization's QA strategy. Builds quality engineering culture. Implements platform testing solutions.
Defines organizational QA strategy for Flutter/mobile development: enterprise mobile testing standards, cross-platform test automation governance, quality engineering frameworks for mobile releases. Implements platform-wide testing solutions for Flutter app reliability.
Security · 2
Defines enterprise mobile authentication strategy encompassing JWT/OAuth2/OIDC, biometric authentication, and device trust models. Shapes organizational security architecture for mobile identity management. Drives adoption of modern authentication standards (Passkeys, FIDO2) for mobile platforms. Coordinates compliance requirements for mobile authentication.
Defines enterprise mobile secure coding strategy for Flutter and cross-platform ecosystems. Shapes mobile security architecture integrating OWASP MASVS compliance with organizational development standards. Coordinates mobile security compliance and represents the organization in mobile security communities and platform security programs.
AI-Assisted Development · 2
Defines organizational strategy for ChatGPT/Claude adoption across Flutter development teams. Establishes enterprise-wide AI-assisted mobile development frameworks balancing code generation efficiency with cross-platform quality standards. Mentors leads and architects on strategic AI tool integration for scaling Flutter development across product portfolios.
Defines organizational GitHub Copilot strategy for mobile: evaluates enterprise AI-assisted development approaches for mobile/Flutter teams, designs governance for AI-generated cross-platform code quality, establishes standards for responsible AI tool adoption across mobile development organizations.
Architecture & System Design · 2
Defines the organization's architectural strategy for Flutter/Dart platforms based on Clean Architecture. Designs reference architectures with presentation/domain/data layer patterns. Establishes architecture governance and cross-team consistency standards.
Defines organizational mobile/cross-platform architecture strategy. Designs reference architectures for Flutter applications at enterprise scale. Establishes architecture governance for mobile platforms. Evaluates emerging mobile technologies and frameworks for organizational adoption. Shapes industry practices through thought leadership.
Version Control & Collaboration · 2
Defines organizational code review strategy for mobile: enterprise mobile code review standards, cross-team review governance for Flutter/mobile projects, review culture maturity model for mobile teams. Mentors leads on mobile code review best practices.
Defines organizational Git strategy for mobile/Flutter: evaluates enterprise approaches for mobile release management through version control, designs governance for cross-platform code sharing and dependency management, establishes standards for Git-based CI/CD across mobile teams.
Performance Engineering · 1
Defines Performance Budgets strategy at the organizational level. Establishes enterprise approaches. Mentors leads and architects.
Additional skills
Not assessed by the team, but part of the self-assessment and the development plan.
} in the open competency matrix: 49 skills across 5 levels. The matrix is free for individuals and stays free.