Senior Backend Engineer - Security & Auth (Kotlin)

Cognite - AI for Industry; Oslo fylke; On-site; NOK 900,000 - 1,300,000; Full time

Benefits offered by this job

Diversity and inclusion focus

Modern working environment

Flat structure with direct access to决决

Job summary

Cognite in Oslo is seeking a Senior/Principal Backend Engineer to own security-critical services and authentication infrastructure. You will design and operate distributed backends and APIs, using Kotlin and cloud-native patterns.

You’ll work with Kubernetes, OIDC/OAuth2, RBAC/ABAC, and modern security principles to protect customer data, while mentoring peers and shaping the technical roadmap. This is a hands-on role in a diverse, fast-moving team with opportunities to contribute across

Qualifications

• Significant experience building and operating distributed backend systems.
• Strong proficiency in Kotlin and security concepts (OIDC/OAuth2).
• Hands-on with cloud-native tech and major cloud platforms (GCP/AWS/Azure).

Responsibilities

• Architect and build core authentication and authorization services.
• Design and scale resilient gRPC/HTTP APIs and microservices on Kubernetes.
• Drive backend innovation and refine service architecture for growth.
• Lead development initiatives including threat modeling and reliability engineering.
• Mentor engineers and collaborate across teams to shape the technical roadmap.

Skills

Kotlin

OIDC/OAuth2

RBAC/ABAC

Distributed backend design

Tools

Kubernetes

Elasticsearch

GCP/AWS/Azure

Job description

Cognite in Oslo is seeking a Senior/Principal Backend Engineer to own security-critical services and authentication infrastructure. You will design and operate distributed backends and APIs, using Kotlin and cloud-native patterns.

You’ll work with Kubernetes, OIDC/OAuth2, RBAC/ABAC, and modern security principles to protect customer data, while mentoring peers and shaping the technical roadmap. This is a hands-on role in a diverse, fast-moving team with opportunities to contribute across