Product like co-pilot (github), which helps the developers to write better code through geting powerful insights from their code regarding potential bottlenecks, errors, security issues, etc. and generates feedback on your code to improve it
You are
.NET developer looking to join the core team of a SaaS product for developers
At least 5 years (better 6+) of experience developing complex .NET backend applications
Technical leadership or TL experience
Expertise in the design/architecture of distributed systems
Looking for a "builder" rather than simply a developer looking to take on full ownership of feature implementation including aspects of design, testing, and deployment