Klarna·Milan, ITMilan, Italy·First seen
Senior Offensive Security Engineer
Senior Offensive Security Engineer at Klarna in Milan, responsible for running penetration tests and maturing the security program.
NewOnsiteSecuritySeniorFinTechSecurity
Klarna
🦄 EunicornStockholm, SE · Founded 2007 · 5000+ staff
FinTechAI/ML
Klarna is a global payments and shopping service that provides smooth and flexible solutions to millions of shoppers and merchants.
Open roles at a glance
7 live roles3 Data · 2 Software · 1 ML / AI · 1 Security
Roles based in: London, Milan, Stockholm
Engineering at Klarna
Builds in: FinTech · Infrastructure
Works with:PythonJavaAWSAWS GlueDatabricksIcebergJavaScriptRedshiftS3Spark
Seniority: 2 Senior · 4 Lead
Hiring engineering roles here since July 2026
7 open Engineering roles
Curated from live Klarna postings. Click any role for the full brief.
Klarna·London, GBLondon, the United Kingdom·First seen
Lead Engineer
Lead Engineer at Klarna in London building and owning systems that move money for millions of people.
OnsiteSoftwareLeadFinTechInfrastructure
Klarna·Milan, ITMilan, Italy·First seen
Lead Engineer
Lead Engineer at Klarna in Milan building and owning systems that move money for millions of people.
OnsiteSoftwareLeadFinTechInfrastructure
Klarna·Milan, ITMilan, Italy·First seen
Lead Data Engineer
Lead Data Engineer at Klarna in Milan to build and scale analytical data platforms on AWS.
OnsiteDataLeadPlatformInfrastructure
Klarna·Stockholm, SE +1 locationsStockholm, Sweden +1 locations·First seen
Lead Data Engineer
Lead the design and operation of Klarna's analytical data processing platforms on AWS supporting large-scale batch workloads.
OnsiteDataLeadanalytical data processing platforms
Klarna·Milan, ITMilan, Italy·First seen
Credit Data Engineer
Own global UW tables for Klarna's credit decisioning platform using SQL, PySpark, Python, and AWS services in Milan.
OnsiteDataCreditUnderwriting
Klarna·Stockholm, SEStockholm, Sweden·First seen
Senior MLOps Engineer
Build and productionize machine learning pipelines powering Klarna's credit decisioning at scale.
OnsiteML / AISeniorcredit riskfraud
Archived roles (8)
No longer open on Klarna's site. Kept for reference — saved archived roles stay in your dashboard.
Klarna·Stockholm, SEStockholm, Sweden·First seen
Senior Fullstack Engineer - Javascript
Design, develop, test, deploy, and maintain software at massive scale using TypeScript and Node.js for Klarna's platform in Stockholm.
ArchivedOnsiteSoftwareSenior
Klarna·Stockholm, SEStockholm, Sweden·First seen
Lead Fullstack Engineer - Javascript
Lead the design and development of scalable JavaScript applications using TypeScript, Node.js, React, and AWS at Klarna's Stockholm office.
ArchivedOnsiteSoftwareLeadfintech
Klarna·Milan, ITMilan, Italy·First seen
Principal Engineer
Drive Klarna's technical direction by architecting scalable and resilient distributed systems in Milan.
ArchivedOnsiteArchitecturePrincipalpaymentse-commerce
Klarna·Stockholm, SE +1 locationsStockholm, Sweden +1 locations·First seen
Principal Engineer-Client Platform
Own and evolve Klarna's client platform using React Native to shape foundational capabilities for iOS and Android apps.
ArchivedOnsiteArchitecturePrincipalClient Platform
Klarna·Stockholm, SEStockholm, Sweden·First seen
Senior Data Engineer
Own and evolve data pipelines powering Klarna's externally-facing dashboards for hundreds of thousands of merchants worldwide.
ArchivedOnsiteDataSeniorMerchant ReportingFunnel Metrics
Klarna·Milan, ITMilan, Italy·First seen
Senior Software Engineer - Java
Design and deploy scalable backend Java services for Klarna's critical problem spaces at massive scale in Milan.
ArchivedOnsiteSoftwareSenior
Klarna·Stockholm, SE +1 locationsStockholm, Sweden +1 locations·First seen
Senior Backend Engineer -Kafka Platform
Develop and operate Klarna's shared Kafka clusters handling 125 TiB of data across Stockholm or Milan.
ArchivedPlatform / DevOpsSeniorData Streaming
Klarna·Stockholm, SEStockholm, Sweden·First seen
Platform Software Engineer - Go
Develop infrastructure and features for KEP Pipelines, Klarna's main CI platform using Go or Python in Stockholm.
ArchivedOnsitePlatform / DevOpsCI/CD