Principal Engineer - Mac (Flutter/Dart)

Syndesus•Frisco, TX

4h•Hybrid

About The Position

They are seeking a highly skilled Principal Engineer with deep expertise in macOS and Flutter/Dart to help define and execute their desktop strategy. This is a hands-on technical leadership role where you will architect, build, and optimize Mac-native experiences using Flutter while shaping the long-term engineering vision for desktop applications. You’ll work at the intersection of security, performance, and user experience to deliver trusted, polished products at scale. This is a hybrid role based in Frisco, TX. Candidates must be within commuting distance. On-site presence is required as needed. Relocation assistance is not available.

Requirements

10+ years of software engineering experience with deep hands-on expertise in Flutter and Dart
Proven experience architecting and shipping production Flutter applications at scale, ideally on desktop
Strong understanding of macOS application architecture and user experience conventions
Extensive experience integrating Flutter with native macOS code via platform channels
Solid system design expertise with a focus on secure, resilient, and testable architectures
Experience with Flutter state management solutions such as Riverpod, Bloc, or Provider
Demonstrated ability to mentor senior engineers and influence architectural direction
Experience shipping applications used by millions of users
Knowledge of secure coding practices, threat modeling, and defense-in-depth principles
Familiarity with Apple Human Interface Guidelines and macOS accessibility standards
Comfort leveraging AI-assisted development tools to enhance engineering productivity

Nice To Haves

Background in security, privacy, or system-level software preferred

Responsibilities

Spend 60%+ of your time architecting and building high-performance Flutter applications for macOS
Write production-level code and lead critical technical implementations across the Flutter desktop stack
Define and own architectural standards focused on security, reliability, scalability, and long-term maintainability
Ensure truly native macOS experiences across windowing, menus, keyboard shortcuts, accessibility, animations, and system integrations
Design secure abstractions using Flutter platform channels and native macOS APIs (Swift / Objective-C)
Partner with security engineers, designers, and product leaders to translate complex technical concepts into intuitive user experiences
Drive best practices in state management, modularization, testing, and CI/CD
Lead performance optimization efforts, including startup time, memory usage, and rendering efficiency
Mentor senior engineers through design reviews, code reviews, and architectural guidance
Set technical direction for the desktop engineering team
Evaluate and adopt new Flutter and macOS capabilities while maintaining a strong security posture