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hedgehog lab

TypeScript Backend Developer (Contract, Outside IR35)

hedgehog lab Leeds, England, United Kingdom

Business Consulting and Services · 51-200 employees

5 h ago
typescript Mid (2-5 yrs) Contractor United Kingdom
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About the role

You will build and maintain backend services for a UK government mobile application using TypeScript and AWS Lambda. You will collaborate with mobile engineers and DevOps teams to implement secure authentication and ensure reliable service deployment.

What they look for

TypeScript AWS Lambda Serverless OIDC Backend Development Authentication DevOps Documentation Testing

Requirements

Candidates must have commercial backend development experience with a focus on serverless architectures on AWS. Proficiency in TypeScript and a strong understanding of OIDC security protocols are essential for this role.

Full description

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 you'll be doing it for

You'll 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.

You're engaged through hedgehog lab, a digital product consultancy and certified B Corp, also Great Place to Work certified.

For 20 years we've helped public and private sector organisations through digital transformation.

What you'll be doing

You'll build the services behind the app, as TypeScript Lambda functions on AWS.

You'll set up authentication using OIDC, so people can sign in securely.

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

You'll write tests and documentation as you go, so the next person can pick your work up.

What's in it for you

You'll work with TypeScript and AWS on services that support a government app.

Most of it happens from home.

What you'll 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, send your CV through [apply link].

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