Describe your experience in developing and supporting high-load systems

In high-load projects, I have encountered tasks related to optimizing performance and scalability. My main experiences include:

• Using efficient algorithms and data structures to reduce response times.
• Profiling and optimizing bottlenecks in the code, such as reducing lock contention and memory optimization.
• Applying goroutines and channels in Go for organizing concurrent request processing.
• Horizontal scaling of services using load balancers.
• Caching frequently requested data to reduce database load.
• Monitoring and logging for quick problem detection.

An example of using goroutines for parallel request processing:

func handleRequests(requests []Request) {
    var wg sync.WaitGroup
    for _, req := range requests {
        wg.Add(1)
        go func(r Request) {
            defer wg.Done()
            process(r)
        }(req)
    }
    wg.Wait()
}

This approach allows efficient resource utilization and ensures high throughput.