Senior Backend Engineer
Pubblicato il 12-08-2026 - PLP Group in Lombardia
Develop, operate and maintain Klarna's shared Kafka clusters — ~150 nodes, 60 MiB/s ingestion, 120 MiB/s output, 125 TiB stored.
Lead the design and implementation of core data streaming systems using Kafka, AWS, Iceberg, ECS, and S3.
Drive architectural decisions with a clear view of Klarna's data landscape, downstream consumers, and cross-team dependencies.
Derive technical requirements from the broader organization and deliver projects and integrations with minimal oversight.
Lead technical work in cross-team initiatives.
What You Are
Experienced building and running streaming platforms on AWS, including EC2 clusters and S3.
Hands-on with Python, distributed systems, and infrastructure-as-code using Terraform and Ansible.
Familiar with SSO, IAM, and AWS