Senior Golang Developer with Blockchain Expertise - YeagerAI

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*****Go's concurrency model, centered around goroutines and channels, is a core part of the language. Can you describe a complex system or component you've built in Go that heavily utilized these concurrency primitives? What challenges did you face, and how did you overcome them?

*****Designing a full node involves understanding peer-to-peer networks, consensus mechanisms, and data synchronization strategies. Can you outline the high-level architecture of a blockchain node or a similar distributed system you've worked on? Highlight how you handled aspects such as data storage, network communication, and consensus.

*****Performance is critical in a full node implementation. Describe a situation where you had to optimize a Go application for better performance. Which tools and techniques did you use for profiling and identifying bottlenecks, and what were the outcomes of your optimizations?

*****Security in distributed systems, especially in blockchain technology, cannot be overstated. What are the key security concerns when designing a full node, and how do you address them in your development process? Discuss any experience you have with cryptographic techniques or security protocols in Go.

*****How do you ensure that the system is scalable and can handle a growing number of transactions or interactions? Discuss your approach to designing systems that are not only scalable but also resilient to failures. How do you implement fault tolerance in a distributed system like a full node?

*****Nodes often need to interface with various technologies, including databases, other nodes written in different languages, and APIs. Can you discuss an experience where you integrated a Go application with other technologies or services? What challenges did you face with interoperability, and how did you solve them?