Job Title
Senior Flutter Developer for macOS Desktop.
We are seeking an experienced Senior Flutter Developer to join our team and build a high-performance, stable, and well-instrumented desktop client for macOS. The successful candidate will have a strong background in building desktop applications with Flutter and Dart, as well as expertise in reducing CPU/GPU usage.
About the Role
1. Design, build, and maintain the Flutter macOS app with clean architecture, modular layers, and reliable state management.
2. Integrate RESTful APIs and real-time services (e.g., WebSockets/Streams).
3. Implement A/V features (e.g., flutter_webrtc): device selection, camera/mic permissions, I/O routing, and stability under variable networks.
4. Evaluate CPU & GPU Optimizations:
* Minimize rebuilds: effective state selection (BLoC/Riverpod/Provider), const constructors, proper Keys, split large widgets.
* Cut redundant layout/work: avoid heavy logic in build, cache computed values, reduce intrinsic measurements, coalesce events, debounce/throttle streams.
* Move heavy tasks off the UI thread: isolates (compute/custom), lazy JSON parsing, incremental work units.
* Frame scheduling discipline: prevent setState loops; render only when state actually changes.
5. GPU:
* Reduce overdraw/repaints: place RepaintBoundary wisely; optimize CustomPainter (shouldRepaint); avoid large Opacity on complex subtrees.
* Avoid expensive effects: minimize saveLayer, heavy blurs/gradients and big shadows.
* Use right-sized images & filterQuality (low/none when acceptable); limit transforms on large layers.
* Shader jank control: warm up shaders / capture SkSL where applicable; keep fragment shaders simple.
* Pause/disable animations when off-screen; keep animation count/area minimal.
6. Evaluate Measurement & Guardrails:
* Profile with Flutter DevTools (CPU/GPU/frame timeline) and add perf budgets (avg CPU%/GPU frame time) to CI gates.
* Track before/after metrics per feature; regressions must be fixed before release.
Requirements
* Fluent English (spoken and written): comfortable in daily English standups and writing EOD reports.
* Strong experience with Flutter and Dart building Desktop apps (preferably macOS).
* Proven work reducing CPU/GPU usage in Flutter apps (ideally desktop/macOS) with measurable before/after results.
* Solid grasp of architectural patterns (MVC/MVVM/Clean), DI, and state management (BLoC/Riverpod/Provider).
* Hands-on with RESTful APIs, WebSockets/Streams, async/isolates, and robust error handling.
* Firebase (Auth, Firestore, Analytics) or equivalent, Microsoft Clarity (for UX/session insights in web-embedded contexts), and Sentry for error/performance monitoring.
* Git proficiency, code reviews, CI (e.g., GitHub Actions/GitLab CI), and Jira work logs/time tracking.
Nice to Have
* Deep macOS expertise: signing, notarization, App Sandbox, entitlements, Keychain, packaging, and updater pipelines.
* Practical WebRTC experience; spatial audio; jitter/latency tuning.
* Android/iOS publishing (fastlane or equivalent), push notifications, and in-app review flows.
* Docker, CDN, and networking basics for real-time apps.
* Accessibility (VoiceOver/TalkBack) and internationalization.
Benefits
* Remote-first, flexible hours, and competitive market range.
* Fast feedback loops, ownership, and a product with real impact on how teams work every day.
* Support for learning, events, and continuous improvement.