5+ years of backend development with C# and .NET (6+) Experience with cloud-based production systems and cloud migrations Experience with Azure or AWS (serverless: Azure Functions/AWS Lambda; Kubernetes: AKS/EKS) Strong understanding of asynchronous programming, concurrency, and parallelism Experience with Docker and containerized applications Working knowledge of NoSQL databases Experience with message brokers Solid API design and integration skills Experience with production monitoring, alerting, and incident troubleshooting using Splunk, Datadog, or New Relic Ability to work independently and communicate effectively with teams and clients Experience in Agile/Scrum environments Upper-Intermediate+ English level Proactivity and initiative to suggest improvements