Flutter Developer
Cross-platform mobile application development with Flutter/Dart
Flutter Developer is a role in the Mobile Development family. It has 51 skills across 5 levels (from Junior to Principal). 102 skills are mandatory. Key domains: Programming Fundamentals, Backend Development, Frontend Development.
Technology Stack
Focus by Level
Building UI screens from designs. Working with widgets. Navigation (GoRouter). HTTP requests (Dio). Writing widget tests.
Application architecture (BLoC/Riverpod). Working with platform channels. Caching and offline. Animations. Code review.
Flutter application architecture. Performance optimization (DevTools). Custom rendering. Native code integration. Mentoring.
Flutter platform: CI/CD, flavors, design system. Flutter vs native strategy. Mono-repo (Melos). Coordination.
Cross-platform strategy. Flutter for Web/Desktop. Custom engine modifications. Ecosystem contributions.
Skill Matrix
51 skills × 5 levels. Click on a cell for details.
AI-Assisted Development
4 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| GitHub Copilot | A | W | A | E | E |
| Cursor IDE | A | W | A | A | — |
| ChatGPT / Claude | A | W | A | E | E |
| Prompt Engineering for Code | A | W | A | E | — |
API & Integration
4 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| REST API Design | A | W | A | E | E |
| GraphQL Design | A | W | A | E | E |
| WebSocket API Design | A | W | A | E | E |
| API Documentation | A | W | A | E | E |
Architecture & System Design
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| System Design Fundamentals | A | W | A | E | E |
| Clean Architecture | A | W | A | E | E |
Backend Development
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Apache Kafka | A | W | A | E | E |
| Redis | A | W | A | E | E |
Cloud & Infrastructure
5 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Docker | A | W | A | E | E |
| Kubernetes Core | A | W | A | E | E |
| Terraform | A | W | A | E | E |
| AWS | A | W | A | E | E |
| Network Fundamentals | A | W | A | E | E |
Database Management
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| PostgreSQL | A | W | A | E | E |
| Database Indexing | A | W | A | E | E |
DevOps & CI/CD
1 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| GitHub Actions / GitLab CI | A | W | A | E | E |
Frontend Development
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Web Accessibility | A | W | A | E | E |
| Data Fetching | A | W | A | E | E |
Mobile Development
7 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Core Data & SwiftData | A | W | A | E | E |
| Navigation & Deep Links | A | W | A | E | E |
| Flutter & Dart | A | W | A | E | E |
| Mobile CI/CD | A | W | A | E | E |
| Mobile Security | A | W | A | E | E |
| Mobile Performance | A | W | A | E | E |
| App Store Optimization (ASO) | A | W | A | E | E |
Observability & Monitoring
4 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Structured Logging | A | W | A | E | E |
| Prometheus & Grafana | A | W | A | E | E |
| OpenTelemetry | A | W | A | E | E |
| SLI / SLO / SLA | A | W | A | E | E |
Performance Engineering
1 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Performance Budgets | A | W | A | E | E |
Programming Fundamentals
8 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Algorithms & Complexity | A | W | A | E | E |
| Data Structures | A | W | A | E | E |
| OOP & SOLID Principles | A | W | A | E | E |
| Design Patterns | A | W | A | E | E |
| Multithreading | A | W | A | E | E |
| Async Programming | A | W | A | E | E |
| Code Quality & Refactoring | A | W | A | E | E |
| Type Safety & Type Systems | A | W | A | E | E |
Security
3 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| OWASP & Application Security | A | W | A | E | E |
| Secure Coding Practices | A | W | A | E | E |
| JWT / OAuth2 / OIDC | A | W | A | E | E |
Testing & QA
4 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Unit Testing | A | W | A | E | E |
| Integration Testing | A | W | A | E | E |
| E2E Testing | A | W | A | E | E |
| Mobile Testing | A | W | A | E | E |
Version Control & Collaboration
2 skills| Skills | Jun | Mid | Sen | Lead | Princ |
|---|---|---|---|---|---|
| Git Advanced | A | W | A | E | E |
| Code Review | A | W | A | E | E |
FAQ
What skills are needed for the Flutter Developer role?
The Flutter Developer role requires 51 skills, of which 102 are mandatory. Skills are distributed across 5 levels: from Junior to Principal. See full matrix.
How to advance to the next level in the Flutter Developer role?
Use the Grade Calculator to assess your current level and get personalized recommendations. The system will show which skills need to be developed for the next level.
What tech stack is used in the Flutter Developer role?
The stack includes 5 technologies at different levels. Dart 3.2+, Flutter 3.19+, Widgets, GoRouter, Dio, Provider/Riverpod basics, flutter_test, Dart 3.2+, Flutter 3.19+, BLoC/Riverpod, Freezed, Drift (SQLite), Platform channels, Firebase, Dart 3.2+, Flutter advanced, Custom RenderObjects, FFI, Isolates, Flutter DevTools profiling, Golden tests...
How does the community define requirements for the Flutter Developer role?
Role requirements are shaped by the community through a proposal system. Any member can suggest changes that go through voting and expert review.