Senior Backend Engineer: Security & Auth (Kotlin)

Cognite; Oslo fylke; Hybrid; NOK 900,000 - 1,300,000; Full time

Benefits offered by this job

DEI focus

Cognite Care

Subsidized lunch

Coffee bar

Gym on-site

Flat structure

Global presence

Job summary

Cognite in Oslo is seeking a Senior or Principal Engineer to own security-critical backend services, shaping authentication and authorization for our platform. You will design scalable gRPC/HTTP APIs on Kubernetes and drive secure-by-default engineering across teams.

Join a fast-moving environment with a focus on security, reliability, and product growth, mentoring others and influencing our technical roadmap while working with cutting-edge tech.

Qualifications

• Significant experience building distributed backend systems in a modern, typed language.
• Strong proficiency in Kotlin and a pragmatic approach to tool choice.
• Deep expertise in authentication and authorization concepts (OIDC, OAuth2, RBAC/ABAC).

Responsibilities

• Architect and build core authentication and authorization services.
• Design and scale resilient gRPC/HTTP APIs and microservices on Kubernetes.
• Drive backend innovation through clean, maintainable code and scalable service architecture.
• Lead initiatives like threat modeling, performance tuning, and reliability engineering.
• Mentor engineers and collaborate to shape the technical roadmap.

Skills

Distributed backend systems

Kotlin

Authentication & Authorization

gRPC / APIs

Security engineering

Cloud platforms (GCP/AWS/Azure)

Kubernetes

Tools

Elasticsearch

Kubernetes

Job description

Cognite in Oslo is seeking a Senior or Principal Engineer to own security-critical backend services, shaping authentication and authorization for our platform. You will design scalable gRPC/HTTP APIs on Kubernetes and drive secure-by-default engineering across teams.

Join a fast-moving environment with a focus on security, reliability, and product growth, mentoring others and influencing our technical roadmap while working with cutting-edge tech.