Windows Desktop Agent (.NET/C#) — eSSL Biometric Device Integration via zkemkeeper.dll -- 2

@efanntyo

Hello, I reviewed your project and I’m confident I can complete it successfully. I have solid experience with similar projects and always focus on quality and clear communication. If you share the details, I can start immediately. Let’s discuss in private chat. Thanks.

@hien223234

✅Hi, Client. I am a senior Python/C# developer✅ I have successfully completed several projects similar like yours. I am interested in your project. I would like to work for you in the long term. Please send a message to discuss this project. I look forward to hearing from you. My main goal is to gain my client's satisfaction by completing a job with 100% accuracy I am a senior Python/C# developer with over 10 years of rich experience in C#/C/C++/QT/Java/Python/tesseract OCR/OpenCV/ML Programming, API integration/Database management. So, I can complete it within your timeline. Best regards! From Hien ...

@MQamar123

As an experienced software developer with over 7 years of expertise, I'm confident that I possess the skills and knowledge required for your project. Being familiar with multiple languages and frameworks such as C#/.NET, Node.js and more, my adaptability allows me to quickly learn new technologies and deliver impactful results. Though I haven't worked directly with eSSL Biometric devices before, I do have hands-on experience in COM/ActiveX interop, TCP/IP socket communication along with C#/.NET. To ensure smooth execution, I'm open to collaborating with your vendor support contact should there be any SDK issues and also welcome the opportunity to get familiarize myself by working with your provided SDK functions documentation as well as eSSL Standalone SDK v2.3 manual + Communication Protocol SDK with C# samples. Let's leverage my skills to build a seamless biometric data-synchronization system for your platform. Once again, trust me with your project, and you'll receive nothing short of exemplary results.

@anilptk

Dear Sir With my extensive experience in .NET and C# programming, as well as my background in Windows desktop environments, I am confident in my ability to successfully develop the Windows Desktop Agent for your gym management platform. I have a strong understanding of TCP/IP socket communication and experience with RESTful API development, making me well-equipped to handle the integration of eSSL/ZKTeco biometric fingerprint devices via zkemkeeper.dll. I have worked on similar projects involving SDK functions like Connect_Net, SSR_SetUserInfo, and SetDeviceTime2, and I am familiar with the required tech stack including WinForms/WPF, COM interop, and HttpClient for cloud communication. Additionally, I am eager to leverage the resources provided by you to

@sumitwebrainbows

As someone who has been developing software solutions for over 14 years, I can confidently say that I have the expertise you need to create this Windows desktop agent for your gym management platform. My proficiency in .NET, C#, and COM/ActiveX interop will prove invaluable in integrating eSSL/ZKTeco biometric fingerprint devices on a local network through zkemkeeper.dll. The client brief, the eSSL SDK manuals you're providing along with a physical device, and my experience working across platforms with TCP/IP socket communication will expedite the creation of the agent. Having worked extensively on REST API clients, I am well-versed in ensuring seamless communication between your data agent and cloud backend. I am also comfortable with Inno setup/WiX and will provide you a user-friendly, single .msi/.exe installer. More importantly, I've built a reputation for thoroughness and attention to detail; two vital skills when it comes to running an agent interacting deeply with hardware like the one we need to build. My proven problem-solving ability paired with consistent post-development support ensures not just the delivery of an efficient agent but also a long-term reliable solution for your SaaS gym management system.

@sergiom17

Hi, I’m very comfortable building this kind of Windows agent that bridges hardware ↔ cloud. I’ve worked with C#/.NET desktop apps, COM/ActiveX interop, and device integrations over TCP/IP, so connecting to eSSL/ZKTeco via port 4370 and wrapping the SDK calls is straightforward. My approach: • Build a stable service layer handling device connection, retries, and command execution (Connect_Net, SSR_SetUserInfo, logs, etc.) • Implement a polling/sync engine with your REST API (idempotent, logged, fault-tolerant) • Clean system tray app + setup wizard (API key → auto-discovery → connect) • Handle edge cases: device offline, partial syncs, batch updates I’ll keep it robust and production-safe—structured logging, retries, and clear status reporting back to your backend. Packaging will be done via Inno Setup/WiX with auto-start and smooth install. I haven’t directly used eSSL F22, but I’ve integrated similar SDK-driven devices, so ramp-up will be quick with your docs + hardware. Goal: a reliable, low-maintenance agent that just runs in the background and syncs flawlessly. I would be happy to dive into the SDK docs and start Regards, Sergio