As an experienced full stack developer, I bring 5 years of proven expertise in .NET and C# programming to your project. My solid understanding of Telegram API coupled with my talent for creating imaginative and efficient solutions would be a huge asset to your task. Having previously worked on multiple large-scale websites, I understand what it takes to meet the demands of complex projects like yours.
My proficiency in both Core and .NET Framework allows me flexibility to work to your preference. With this, I am confident in my ability to develop a high-quality, bug-free C# console application that effectively taps into Telegram Channels and Groups to retrieve messages.
Lastly, I am a highly motivated individual who relishes new challenges. Your project stands as an exciting opportunity for me to showcase my skills and deliver exceptional results. Let's collaborate to bring this idea to life and create a successful solution for your Telegram requirements.