---
id: 660add10cb82ac38a17513be
title: Legacy Back End Certificate
challengeType: 7
isPrivate: true
---
## Description
## Instructions
## Tests
```yml
tests:
- id: bd7158d8c443edefaeb5bdef
title: Timestamp Microservice
- id: bd7158d8c443edefaeb5bdff
title: Request Header Parser Microservice
- id: bd7158d8c443edefaeb5bd0e
title: URL Shortener Microservice
- id: bd7158d8c443edefaeb5bdee
title: Image Search Abstraction Layer
- id: bd7158d8c443edefaeb5bd0f
title: File Metadata Microservice
- id: bd7158d8c443eddfaeb5bdef
title: Build a Voting App
- id: bd7158d8c443eddfaeb5bdff
title: Build a Nightlife Coordination App
- id: bd7158d8c443eddfaeb5bd0e
title: Chart the Stock Market
- id: bd7158d8c443eddfaeb5bd0f
title: Manage a Book Trading Club
- id: bd7158d8c443eddfaeb5bdee
title: Build a Pinterest Clone
```
## Challenge Seed
## Solution
```js
// solution required
```