[Remote] 4+ years in backend, integration or solutions engineering, with strong C# / .NET (ASP.NET Core). Solid PostgreSQL experience: schema design, migrations, query tuning. EF Core is a plus.
Hands-on AWS experience in production: S3, IAM, Secrets Manager, App Runner or ECS, CloudWatch. You can read and change IaC. Experience designing and consuming REST APIs, and writing unit and integration tests.
Strong written and spoken English. You can run a technical call with a vendor, then document what was agreed. A customer-minded, ownership-driven approach: you follow a problem from the first report to the fix.