Not quite sure if this is a problem, but your link should be:
Instead:
Then you can import:
import * as AWS from 'aws.sdk';
Make sure you install both type definitions:
$ typings install
And npm module:
$ npm install
Update
typings.json awsdemo, packages.config ( Visual Studio .d.ts):
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="aws-sdk.TypeScript.DefinitelyTyped" version="1.9.4" targetFramework="net451" />
<package id="node.TypeScript.DefinitelyTyped" version="3.0.0" targetFramework="net451" />
<package id="RequireJS" version="2.2.0" targetFramework="net451" />
<package id="requirejs.TypeScript.DefinitelyTyped" version="0.4.3" targetFramework="net451" />
</packages>
nuget typings, .
. , angular aws-sdk. (, es6-shim, ).