Algorithms & Data Structures 2
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Understands the fundamentals of Algorithms & Complexity at a basic level. Applies simple concepts in work tasks using Dart. Follows recommendations from senior developers when solving problems.
Independently applies algorithmic thinking in Flutter: selects efficient algorithms for list filtering/sorting, understands widget tree diff algorithm behavior, evaluates state propagation algorithms for Bloc/Riverpod. Analyzes computational complexity of UI rendering operations.
Defines algorithmic standards for Flutter team: UI rendering optimization strategies, state management algorithm selection, efficient data processing patterns for mobile platforms. Conducts reviews of algorithmic decisions in performance-critical UI features.
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.
Understands the fundamentals of Data Structures at a basic level. Applies simple concepts in work tasks using Dart. Follows recommendations from senior developers when solving problems.
Independently selects appropriate data structures for Flutter: state container types for Bloc/Riverpod, list models for lazy-loaded scrollable content, freezed/built_value classes for immutable domain models. Understands trade-offs between data structure choices for widget rebuild efficiency.
Defines data structure standards for Flutter team: state management data model conventions, offline storage schema design, API response mapping patterns. Conducts reviews of data architecture decisions in Flutter applications. Establishes team guidelines for efficient data handling across platforms.
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.
Android Development 1
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Uses Navigation and Deep Links at a basic level in Flutter 3. Creates simple screens from designs. Understands the application lifecycle.
Independently implements complex screens with Navigation and Deep Links in Flutter 3. Optimizes performance and memory consumption.
Defines mobile application architecture. Establishes development standards. Conducts architectural reviews and defines the technical roadmap.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
API Protocols 1
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Understands WebSocket basics for Flutter apps: web_socket_channel package usage, connection state management with BLoC/Provider, and handling reconnection on mobile network changes. Follows team patterns for real-time data synchronization in Flutter applications.
Designs WebSocket integration for Flutter apps: typed message protocols with JSON/Protobuf serialization, offline message queuing with local persistence, and platform-adaptive reconnection strategies (WiFi/cellular). Implements WebSocket middleware for authentication, heartbeat, and message deduplication across app lifecycle events.
Defines WebSocket strategy for mobile product platform. Establishes real-time communication standards, connection management policies, and mobile-specific reliability requirements. Conducts architecture reviews for WebSocket integrations. Drives adoption of efficient real-time communication patterns across mobile teams.
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.
Architecture Patterns 1
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Understands basic architectural concepts of Clean Architecture. Follows team architectural decisions. Understands fundamental patterns.
Applies Clean Architecture in Flutter/Dart projects with proper separation of presentation, domain, and data layers. Uses BLoC/Riverpod patterns to keep business logic widget-agnostic. Understands trade-offs of layer isolation.
Defines architectural strategy for Flutter products based on Clean Architecture. Establishes guidelines for presentation/domain/data layer separation and BLoC/Riverpod usage patterns. Conducts architecture reviews ensuring widget-agnostic business logic.
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.
Authentication & Authorization 1
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Understands basic JWT/OAuth2 concepts for Flutter apps: secure token storage per platform (Keychain/Keystore), OAuth2 authorization code flow with PKCE, and handling expired tokens in HTTP interceptors. Recognizes common authentication vulnerabilities in mobile apps.
Implements secure authentication in Flutter apps: multi-provider OAuth2 integration (Google, Apple, custom IdP), biometric-backed token storage, and silent token refresh with retry logic. Handles deep link-based OAuth callbacks across platforms. Uses flutter_appauth and Dio interceptors for robust auth flows.
Defines authentication strategy for Flutter/mobile products. Establishes standards for OAuth2/OIDC integration, token management, and biometric authentication across mobile platforms. Drives adoption of secure authentication patterns and conducts architecture reviews for auth flows. Creates security testing requirements for mobile authentication.
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.
Benchmarking 1
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Understands the concept of performance budgets for Flutter apps (frame render time, app size, memory usage). Follows established thresholds for 60 FPS rendering and startup time. Uses DevTools timeline to spot obvious jank and reports metrics to the team.
Independently defines and enforces performance budgets for Flutter features: frame budget (16ms), shader compilation overhead, widget rebuild cost and asset sizes. Understands trade-offs between visual fidelity and performance on low-end devices. Integrates budget checks into CI using flutter_driver benchmarks.
Defines Performance Budgets strategy at the team/product level. Establishes standards and best practices. Conducts reviews.
Defines Performance Budgets strategy at the organizational level. Establishes enterprise approaches. Mentors leads and architects.
Cross-Platform Mobile 1
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Uses Flutter and Dart at a basic level in Flutter 3. Creates simple screens from designs. Understands the application lifecycle.
Independently implements complex screens with Flutter and Dart in Flutter 3. Optimizes performance and memory consumption.
Defines mobile application architecture. Establishes development standards. Conducts architectural reviews and defines the technical roadmap.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
E2E Testing 1
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Understands E2E testing fundamentals for Flutter apps: integration_test package, widget testing vs E2E testing distinction, and platform-specific test execution (iOS Simulator, Android Emulator). Writes basic E2E tests for navigation flows and form submissions. Follows team practices for test organization.
Implements comprehensive E2E tests for Flutter apps: platform-specific interaction testing, deep link navigation verification, and offline mode scenarios. Creates custom test drivers for complex gestures and animations. Integrates E2E tests with CI using Firebase Test Lab and platform emulators. Covers edge cases in cross-platform behavior differences.
Defines E2E testing strategy at the product/department level for Flutter applications. Establishes quality standards: coverage requirements, CI integration policies, and quality gates for releases. Drives adoption of automated E2E testing culture across mobile development teams. Creates E2E testing COE practices for cross-platform app quality.
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.
General Mobile Practices 4
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Understands basic ASO concepts for Flutter apps: keyword optimization for both App Store and Google Play, cross-platform store listing requirements, screenshot preparation for multiple device sizes. Follows team guidelines for dual-platform store metadata.
Independently manages ASO for cross-platform Flutter apps: tailors keyword strategies for iOS and Android separately, optimizes store listings per platform, conducts A/B testing of creatives. Understands platform-specific ranking algorithms and review response strategies.
Defines ASO framework for cross-platform mobile portfolio: coordinates store optimization across iOS and Android teams, establishes unified metadata management workflows, implements cross-platform keyword cannibalization analysis. Leads store presence strategy reviews.
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.
Uses Mobile CI/CD at a basic level in Flutter 3. Creates simple screens from designs. Understands the application lifecycle.
Independently implements complex screens with Mobile CI/CD in Flutter 3. Optimizes performance and memory consumption.
Defines mobile application architecture. Establishes development standards. Conducts architectural reviews and defines the technical roadmap.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
Uses Mobile Performance at a basic level in Flutter 3. Creates simple screens from designs. Understands the application lifecycle.
Independently implements complex screens with Mobile Performance in Flutter 3. Optimizes performance and memory consumption.
Defines mobile application architecture. Establishes development standards. Conducts architectural reviews and defines the technical roadmap.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
Uses Mobile Security at a basic level in Flutter 3. Creates simple screens from designs. Understands the application lifecycle.
Independently implements complex screens with Mobile Security in Flutter 3. Optimizes performance and memory consumption.
Defines mobile application architecture. Establishes development standards. Conducts architectural reviews and defines the technical roadmap.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
GraphQL 1
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Understands basics of GraphQL schema design for Flutter mobile and web applications. Writes simple queries using graphql_flutter package for data fetching and caching. Follows team conventions for structuring GraphQL operations alongside Flutter state management.
Independently designs GraphQL schemas optimized for Flutter mobile and web client consumption. Implements efficient query patterns with graphql_flutter for offline-first caching and optimistic updates. Writes comprehensive widget-level tests for GraphQL data binding and documents API usage patterns.
Defines GraphQL API strategy for Flutter application portfolios across mobile, web, and embedded platforms. Establishes schema design standards optimized for client-side state management and offline capabilities. Conducts API design reviews from a mobile consumer perspective and coordinates cross-team schema federation.
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.
iOS Development 1
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Uses Core Data and SwiftData at a basic level in Flutter 3. Creates simple screens from designs. Understands the application lifecycle.
Independently implements complex screens with Core Data and SwiftData in Flutter 3. Optimizes performance and memory consumption.
Defines mobile application architecture. Establishes development standards. Conducts architectural reviews and defines the technical roadmap.
Defines mobile strategy at the organizational level. Evaluates cross-platform vs native approaches. Shapes platform solutions.
Specialized Testing 1
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Understands the fundamentals of mobile testing in Flutter. Writes basic widget tests and simple integration tests. Uses Flutter Driver for smoke testing. Applies standard practices for validating widget rendering and platform-specific behavior in daily work.
Independently develops widget and integration tests in Flutter using Patrol and Flutter Driver. Applies test design techniques for platform-specific edge cases. Integrates Flutter test suites into CI/CD pipelines with automated device farm execution and coverage reporting.
Defines testing strategy at the product level. Establishes quality assurance standards. Implements shift-left testing culture.
Defines the organization's QA strategy. Builds quality engineering culture. Implements platform testing solutions.
State Management 1
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Uses Data Fetching at a basic level in Flutter 3. Creates simple components from designs. Understands basic concepts and follows component guidelines.
Independently implements complex UI components with Data Fetching. Optimizes rendering performance. Writes tests with flutter_test/integration_test. Applies BLoC/Riverpod for state management.
Defines frontend architecture at the product level with Data Fetching. Establishes standards and best practices. Conducts architectural reviews.
Defines the organization's frontend strategy. Evaluates frameworks and approaches. Shapes platform solutions for all frontend teams.
Web Standards & APIs 1
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Uses Accessibility at a basic level in Flutter 3. Creates simple components from designs. Understands basic concepts and follows component guidelines.
Independently implements complex UI components with Accessibility. Optimizes rendering performance. Writes tests with flutter_test/integration_test. Applies BLoC/Riverpod for state management.
Defines frontend architecture at the product level with Accessibility. Establishes standards and best practices. Conducts architectural reviews.
Defines the organization's frontend strategy. Evaluates frameworks and approaches. Shapes platform solutions for all frontend teams.