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Principal Software Engineer- Privileged Access & Infrastructure

Klarna
Italy  Milan, Italy
IT/Technology, English
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Job Description:

What you will do
* Build and operate cloud-native, security-critical platform services on AWS.
* Take ownership of complex systems end-to-end, from design through production operation.
* Contribute to technical direction and architectural decisions for the team's services.
* Work across multiple languages (Python, Go, TypeScript) adapting to the right tool for each problem.
* Design, build, and operate reliable systems at scale.
* Collaborate closely with other engineers and stakeholders.
Who you are
* Strong experience building and operating cloud-native services on AWS (Lambda, DynamoDB, S3, EC2, SQS, EventBridge, CloudWatch, Route 53).
* Proficiency in Python; experience with Go for performance-critical services and tooling.
* Familiarity with infrastructure-as-code (CloudFormation and Terraform).
* Experience with frontend development (Svelte/TypeScript) is a plus.
* Strong technical judgment and ability to design reliable systems at scale.
* Proactive ownership mindset with the ability to take end-to-end responsibility for complex systems.

Please include a CV in English.
Curious to learn more about Klarna and what it's like to work here? Explore our career site

Source: Company website
Posted on: 27 Feb 2026  (verified 20 Mar 2026)
Type of offer: Graduate job
Industry: Banking / Finance
Languages: English
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