Dot Net System Application Developer

Posted 4 Days Ago
Be an Early Applicant
Hồ Chí Minh
Hybrid
Mid level
Artificial Intelligence • Hardware • Information Technology • Security • Software • Cybersecurity • Big Data Analytics
We help people be their best in the moments that matter.
The Role
Develop high-performance software solutions using .NET 8, integrating C++ libraries, managing multi-threaded operations, and implementing data persistence with SQLite.
Summary Generated by Built In
Company Overview

At 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
VMM/CD
The Specialty Cameras/Devices Engineering team is responsible for developing cameras for special applications, such as ALPR (Automatic
License
Plate Recognition) cameras for traffic management and surveillance. The products are aimed at public and commercial safety. The team is
responsible for the development of the firmware, taking care of the entire development life cycle, from development to testing and
maintenance of the systems we build.
Job Description

We 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 Requirements

KEY REQUIREMENTS :(MUST HAVE)

  • Bachelor Degree/ Master Degree in Software Engineering/Computer Science or relevant field

  • At least 3 years of experience in relevant technical skill and industry

A. 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
None
Relocation Provided
None
Position Type
Experienced

Referral Payment PlanYes

EEO Statement

Motorola 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.

Top Skills

.Net 8
C#
Entity Framework Core
Native C++
Signalr
Sqlite
Tcp/Udp Sockets
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The Company
HQ: Chicago, IL
23,000 Employees
Year Founded: 1928

What We Do

About Motorola Solutions | Solving for safer

Safety and security are at the heart of everything we do at Motorola Solutions. 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.

Why Work With Us

We are a global family of driven, dynamic people who inspire and support everyone around us to be the best version of themselves. We embrace a “people first” philosophy – and are committed to creating and maintaining a culture of caring and inclusiveness. Are you ready to join our team and be a part of a close-knit community in a big company?

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Motorola Solutions Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

We believe that the next big idea can come from anyone, anywhere, at any time. That’s why we offer office-based, hybrid and remote working models, where Motorolans can do their best work wherever they work best.

Typical time on-site: Flexible
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