Hi there,
Based on project description you are looking for FIX Automation support in C#.
It would be good if you share details about project scope so we can estimate time and cost. I already done Automation & Realtime project previously you can find same on my profile page.
Please find my profile and portfolio link: https://www.freelancer.com/u/veerendarshah
Overall, I have 7+ years of experience in .NET, Node.js, HTML, CSS, JS, and Web Development tools and exposure systems in various domains such as Realtime, Database, IoT, Web, and Automation.
Let's talk further on the chatbox, waiting for your reply.
Veerendra