Principal Software Engineer

Cognite - AI for Industry; Oslo fylke; On-site; NOK 1,100,000 - 1,400,000; Full time

Benefits offered by this job

Diversity, Equality and Inclusion (DEI

Modern and fun working environment

Flat structure with direct access to决决

Cognite Care health services

Subsidized lunch at the cantine

Cognite exclusive coffee bar

Gym on-site

Pet-friendly office

Job summary

Cognite is seeking a Principal Engineer focused on security and backend systems to design, implement, and secure core authentication and authorization services. You will scale gRPC/HTTP APIs and microservices on Kubernetes, drive backend innovation, and mentor teams to raise the bar for secure-by-default engineering across a fast-growing platform.

The role emphasizes ownership of security-critical backend components, working closely with multiple teams to protect data and ensure resilience in a

Qualifications

• Significant experience building and operating distributed backend systems in a modern, typed language.
• Strong proficiency in Kotlin; deep expertise in authentication/authorization concepts (OIDC, OAuth2, RBAC/ABAC).
• Hands-on experience with cloud-native technologies, particularly Elasticsearch and cloud platforms like GCP, AWS or Azure.

Responsibilities

• Architect and build core authentication and authorization services, protecting all customer data.
• Design and scale resilient gRPC/HTTP APIs and microservices on Kubernetes for high availability and low latency.
• Drive backend innovation with clean, maintainable code and scalable service architecture.
• Lead development initiatives including threat modeling, performance tuning, and reliability engineering.
• Mentor engineers and collaborate across teams to shape the technical roadmap.

Skills

Kotlin

Distributed backend systems

Security concepts

Cloud-native technologies

APIs & gRPC/HTTP

Tools

Kubernetes

Elasticsearch

Job description

What Cognite is: Relentless to achieve

Cognite operates at the forefront of industrial digitalization, building AI, and data solutions that solve the world’s hardest, highest-impact problems. With unmatched industrial heritage and a comprehensive suite of AI capabilities, including low-code AI agents, Cognite accelerates the digital transformation to drive operational improvements.

We thrive in challenges. We challenge assumptions. We execute with speed and ownership. If you view obstacles as signals to step forward - not backwards - you’ll feel right at home here.

Our Moonshot is bold: Unlock $100B in customer value by 2035, and redefine how global industry works. Join us in this venture where AI and data meet ingenuity, and together, we will forge the path to a smarter, more connected industrial future.

How you’ll demonstrate Ownership

As the first line of defense for securing privileged customer data, our work is crucial to customer and company success. We operate where security, infrastructure, and product meet: designing authorization, identity, and audit solutions that are fast, correct, and observable. As a Principal Engineer, you will take ownership of security-critical backend systems, directly impacting how our platform is secured and used.

The Impact you bring to Cognite

• Architecting and building our core authentication and authorization services, applying modern security principles to protect all customer data.


• Designing and scaling resilient gRPC/HTTP APIs and microservices on Kubernetes, ensuring high availability, low latency, and ease of integration for other internal teams.


• Driving backend innovation by writing clean, maintainable code and refining our service architecture to support rapid product growth.


• Leading development initiatives including threat modeling, performance tuning, and reliability engineering to harden our systems against evolving security challenges.


• Mentoring engineers and collaborating across teams to shape our technical roadmap and foster a culture of secure-by-default engineering.

Required Qualifications

• Significant experience building and operating distributed backend systems in a modern, typed language.


• Strong proficiency in Kotlin. We value deep expertise in either language and a pragmatic approach to choosing the right tool for the job.


• Deep expertise in modern authentication and authorization concepts (e.g., OIDC, OAuth2, RBAC/ABAC) and their practical application in building secure services.


• Hands‑on experience with cloud‑native technologies, particularly Elasticsearch and cloud platforms like GCP, AWS or Azure.

Preferred Experience

• A proven track record of owning services in production, from initial design and development to deployment, monitoring, and incident response.


• A collaborative and pragmatic mindset, with good communication skills and a desire to mentor others.

A snapshot of our many perks and benefits as a Cogniter

• Join an organization of 60 different nationalities with Diversity, Equality and Inclusion (DEI) in focus


• A highly modern and fun working environment with sublime culture across the organization, follow us on Instagram @cognitedata to know more


• Flat structure with direct access to decision-makers


• Opportunity to work with and learn from some of the best people on some of the most ambitious projects found anywhere, across industries, with cutting edge technology


• Join our HUB to be part of the conversation directly with Cogniters and our partners.


• Get access to private health services with Cognite Care.


• Hungry? We’ve got your back. A subsidized lunch at the canteen is delivered by the chefs at Fornebuporten (Aker Tech House)


• Our own Cognite exclusive coffee bar with the friendliest baristas is here to brew coffee for coffee lovers, tea for tea lovers, smoothie for smoothie lovers, and the baristas creative concoctions when the mood strikes.


• We take your mental- and physical health seriously by having a broad health offering and a free membership to our fully-staffed gym on-site.


• A pet lover? Get the chance to meet Spotat the Robot Garden!

Learn more about us

• Impact 2025


• Cognite’s Industrial AI: Moonshot


• We’re globally recognized domain experts with an international presence that spans Phoenix, Houston, Oslo Tokyo, Bengaluru, and Abu Dhabi.

Equal Opportunity

Cognite is committed to creating a diverse and inclusive environment at work and is proud to be an equal opportunity employer. All qualified applicants will receive the same level of consideration for employment.