Dot Net System Application Developer

Tp Hồ Chí Minh
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Company OverviewAt Motorola Solutions, we believe that everything starts with our people. We’re a global close-knit community, united by the relentless pursuit to help keep people safer everywhere. We build and connect technologies to help protect people, property and places. Our solutions foster the collaboration that’s critical for safer communities, safer schools, safer hospitals, safer businesses, and ultimately, safer nations. Connect with a career that matters, and help us build a safer future.Department Overview .NET DeveloperJob DescriptionWe are looking for a skilled .NET Developer to build the Application Layer of a high-performance software solution running on Client/Edge devices (PC/Embedded).Your primary role is to develop the System Logic using .NET 8 (or higher) to:

Orchestrate the application workflow (Start/Stop engines, handle events).
Integrate with Native C++ Libraries via Interop.
Manage Multi-threaded operations efficiently on Linux & Windows.
Communicate with the UI and handle basic Data Persistence.

Core System Development (.NET 8+):Develop robust Console Applications / Background Services running on Windows and Linux using .NET 8+.Implement Multi-threading logic to handle simultaneous tasks (Data ingestion from Engine, UI updates, Logging) without freezing the application.Apply Asynchronous Programming (Async/Await) correctly to maximize system responsiveness.Ensure system stability: Implement "Watchdog" mechanisms, auto-recovery, and resource management (CPU/RAM).Native Integration (Interop):Use P/Invoke and Marshaling to call functions from existing Native Libraries (DLL/.so).Handle data conversion between Managed (.NET) and Unmanaged (C++) memory safely.UI Communication:Implement Real-time communication channels to push data to the Frontend UI.Work with SignalR (WebSockets), TCP/UDP Sockets, or IPC (Named Pipes/Unix Domain Sockets).Data Persistence (Experience Level):Implement local data storage using relational databases: SQLite.Use Entity Framework Core or Dapper to save logs and operational data (Deep database optimization is NOT required, just functional usage).Basic RequirementsKEY REQUIREMENTS :(MUST HAVE)Bachelor Degree/ Master Degree in Software Engineering/Computer Science or relevant fieldAt least 3 years of experience in relevant technical skill and industryA. Modern .NET & System Skills (Top Priority):Tech Stack: Proficiency in C# with a focus on .NET 8 or higher.Strong understanding of Asynchronous Programming: You must strictly distinguish between CPU-bound (Task.Run) and I/O-bound (await) operations.Multi-threading competence:Ability to work with Synchronization (Lock, Monitor, Semaphore, Mutex).Ability to debug Race Conditions and Deadlocks.System Knowledge: Understanding of Process lifecycle, Memory Management, and how Services/Daemons work on an OS level.B. Integration & Environment:Interop: Experience integrating C++ libraries (Native DLLs) into C# applications (P/Invoke).OS: Comfortable deploying and debugging .NET applications on both Windows and Linux.C. Database:Experience with SQLite: You should know how to perform basic CRUD operations using EF Core or SQL Client.NICE TO HAVE:Windows UI Development: Experience building Desktop UIs using C# (WPF, WinForms, or WinUI).Elasticsearch / NoSQL: Hands-on experience with Elasticsearch (Index design, Query DSL) or MongoDB.Docker: Experience writing Dockerfile and docker-compose to containerize .NET 8 applications.Azure Cloud: Familiarity with Azure IoT Hub or Data Synchronization.C++ Literacy: Ability to read C++ header files (.h) to understand data structures for mapping (Coding in C++ is NOT required).Travel Requirements NoneRelocation Provided NonePosition Type ExperiencedReferral Payment Plan NoEEO StatementMotorola Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion or belief, sex, sexual orientation, gender identity, national origin, disability, veteran status or any other legally-protected characteristic.We are proud of our people-first and community-focused culture, empowering every Motorolan to be their most authentic self and to do their best work to deliver on the promise of a safer world. If you’d like to join our team but feel that you don’t quite meet all of the preferred skills, we’d still love to hear why you think you’d be a great addition to our team.

Motorola Solutions

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