TypeScript Backend Developer (Contract, Outside IR35)

TypeScript Backend Developer (Contract Outside IR35)

Contract status: Outside IR35
Start date: 2nd November
Contract length: To the end of December 2026 with extension possible
Location: Remote first
London days: Once or twice a month

Who youll be doing it for

Youll join the mobile platform team on a UK government app working on the app and the services that support it.

The team builds and maintains the common parts of the app such as login. It also brings in key features built by other teams and manages app releases.

Youre engaged through hedgehog lab a digital product consultancy and certified B Corp also Great Place to Work certified.

For 20 years weve helped public and private sector organisations through digital transformation.

What youll be doing

Youll build the services behind the app as TypeScript Lambda functions on AWS.

Youll set up authentication using OIDC so people can sign in securely.

Youll agree with the mobile engineers what the app needs from the backend. Youll work with DevOps to get your changes out safely.

Youll write tests and documentation as you go so the next person can pick your work up.

Whats in it for you

Youll work with TypeScript and AWS on services that support a government app.

Most of it happens from home.

What youll need to be considered

You need commercial backend development experience.

You should have built serverless services in TypeScript on AWS Lambda and understand how OIDC works.

You take security seriously which matters a great deal on government work.

How to apply

If that sounds like you please apply.