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Azumo is seeking a highly motivated Senior Flutter/Dart Systems Engineer to design and implement robust, high-performing and scalable cross-platform software. This specialized role focuses on system-level interaction, robust packaging, and deep Operating System integration for enterprise applications. The position is FULLY REMOTE, based in Latin America. You will thrive in this role if you enjoy leveraging Flutter's multi-platform capabilities to build applications that go beyond the UI, requiring deep integration with the host operating system and mastery of installation/packaging best practices. At Azumo, we strive for excellence and strongly believe in professional and personal growth. We want each individual to be successful and pledge to help you achieve your goals while at Azumo and beyond. Challenging ourselves and diligently learning new technologies are at the core of our operations. Based in San Francisco, California, Azumo is an innovative software development firm dedicated to helping organizations build intelligent apps leveraging the latest advancements in AI, data, and cloud technology. We are passionate about solving complex problems for clients across the globe. Requirements 1. Flutter/Dart Core Proficiency: Deep Expertise: Solid, demonstrable experience in developing robust, high-performance applications across multiple platforms using Flutter and Dart. State Management: Advanced knowledge and practical application of major state management approaches (e.g., Provider, BLoC/Cubit, Riverpod ). Networking: Proven ability to integrate and consume RESTful APIs/Endpoints effectively (using packages like http or Dio). 2. Operating System & System Command Interaction: Process and Service Management: In-depth understanding of process and service management mechanisms in both macOS (e.g., Launch Daemons/Agents ) and Windows (e.g., Windows Services, The Registry ). macOS System Commands: Hands-on experience executing shell/terminal commands on macOS using dart:io Process or native bridging, including: Interacting with system services (launchctl). Modifying system preferences (defaults). Managing application and package installations (.pkg, .app). Windows System Commands: Proficiency in utilizing dart:io Process to execute commands via PowerShell or cmd.exe , including: Service management. Installation/uninstallation of .exe/.msi files. Reading and manipulating the Windows Registry . 3. Advanced Application Packaging & Distribution: Windows Installer Mastery (Advanced Installer): Expert-level proficiency in using tools like Advanced Installer to create resilient Windows installation packages (.exe, .msi). This includes: Configuring prerequisites and system requirements. Developing and deploying Custom Actions to execute scripts or system commands during installation (e.g., setting environment variables or configuring services). Managing installation paths, uninstallation routines, and update mechanisms, adhering strictly to Windows Installer (MSI) best practices . macOS Packaging (.pkg): Experience creating standard macOS installer packages (.pkg), utilizing command-line tools ( pkgbuild , productbuild ) or utilities like Xcode/Packages. Ability to include and configure pre-install and post-install scripts within the package to automate necessary command execution and system setup. Experience integrating solutions with 3rd party APIs (RESTful, OAuth, JSON) Self-driven and motivated, with a strong work ethic and a passion for problem solving Preferred Qualifications: Love for coding and willingness to be agile Hacker spirit within a collaborative team Benefits Company benefits include: Paid Time Off Training Udemy Free Premium access Mentored Career Development U.S. Holidays USD Remuneration Profit Sharing Maternity Coverage At Azumo we strive for excellence and strongly believe in profess