5 AWS Concepts Every .NET Developer Should Learn First (Before Wasting Time on the Rest
A practical starting-point guide for .NET developers moving into AWS — skip the overwhelm and focus on what actually matters first.
When .NET developers start learning AWS, the usual approach is "go through every service alphabetically." That's a mistake. AWS has 200+ services, and most of them don't matter for your first six months.
Here are the 5 concepts I focused on first, and why they matter specifically if you're coming from an ASP.NET / enterprise .NET background.
1. IAM (Identity and Access Management)
If you've ever set up roles and permissions in an enterprise app, this will feel familiar — just at the infrastructure level instead of the application level. Get comfortable with the difference between a user, a role, and a policy before touching anything else. Almost every AWS mistake traces back to a misunderstood permission.
2. EC2 vs. Elastic Beanstalk vs. ECS
This is the single most confusing decision for .NET developers moving to AWS, because on-prem/IIS experience doesn't map cleanly onto any of these.
- EC2 = a virtual machine, full control, closest to a traditional server
- Elastic Beanstalk = you hand over a .NET app, AWS manages the infrastructure — closest to "just deploy it" simplicity
- ECS = containerized apps (if you're already using Docker, this is where you're headed)
Start with Elastic Beanstalk if you want to deploy something fast without learning infrastructure management first.
3. RDS (specifically SQL Server support)
Most enterprise .NET apps run on SQL Server. RDS supports it directly, which means your existing connection strings and EF Core setup translate over with minimal rework. Learn this before touching DynamoDB — you don't need a NoSQL database yet.
4. VPC basics (just enough, not a deep dive)
You don't need to become a networking expert immediately. You just need to understand: public subnet vs. private subnet, and why your database should never sit in a public one. That single concept prevents most beginner security mistakes.
5. CloudWatch
Every enterprise .NET developer already values logging and monitoring (Serilog, Application Insights, etc.). CloudWatch is AWS's equivalent — learn it early so you're not flying blind once something's actually deployed.
What I'd skip for now
Lambda, Step Functions, EKS, anything serverless-advanced — all useful eventually, none of it matters until you've deployed one working application and understand why it works.
If you're a .NET developer starting this path — what order did you learn things in? Did you skip something that turned out to matter more than expected?
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