Principal DevOps Engineer — Self-Service Cloud Platform

Worldline; Stockholms kommun; On-site; SEK 900,000 - 1,200,000; Full time

Benefits offered by this job

Annual leave 30 days

Private medical insurance

Flexible benefits

Training & development

Job summary

Worldline Sweden is building an internal engineering platform to empower product teams with self-service tooling for real-time authorization services. You will design and run scalable systems, focusing on security, governance, and observability while working in a domain-driven team.

We seek developers with 5+ years in software, strong Python/Go and AWS experience, and a passion for mentoring others. Fluency in English and/or Swedish is required, with a valid Swedish work permit.

Qualifications

• 5+ years of hands-on software development with production Python.
• Strong knowledge of SSO, authentication and access control.
• Proficiency in Python and Go and REST APIs/HTTP(S).
• Extensive AWS experience and cloud-native networking concepts.
• IaC with Terraform and/or CloudFormation.
• CI/CD experience with Jenkins and Docker; AWS ECS preferred.
• Degree in Computer Science, Engineering, or related field.
• Fluent in English and/or Swedish with Swedish work permit.
• Bonus: React experience; autonomous team player.

Responsibilities

• Build and run the platform enabling developers to create, test, launch and monitor real-time auth services.
• Design and deliver an internal platform offering self-service access to tools.
• Reduce non-development overhead and cross-team delays.
• Lower cognitive load for security, governance and compliance.
• Ensure outcomes are observable and tied to business metrics.
• Work in a domain-driven team and participate in on-call rotation.
• Mentor and collaborate across teams to scale operations.

Skills

5+ years hands-on software development

Production Python

SSO authentication access control

Python

Go

REST APIs/HTTP(S)

NGINX

AWS

CI/CD

Jenkins

Docker

AWS ECS

Computer Science degree

English and/or Swedish

Education

Degree in Computer Science or related

Tools

Git

Flask

OAuth 2.0

OpenID Connect

Terraform

CloudFormation

AWS IAM

Job description

Worldline Sweden is building an internal engineering platform to empower product teams with self-service tooling for real-time authorization services. You will design and run scalable systems, focusing on security, governance, and observability while working in a domain-driven team.

We seek developers with 5+ years in software, strong Python/Go and AWS experience, and a passion for mentoring others. Fluency in English and/or Swedish is required, with a valid Swedish work permit.