Senior Staff Engineer – Web Platform - Oslo

Sperton Global AS; Oslo; On-site; NOK 900,000 - 1,200,000; Full time

Job summary

Sperton Norway is hiring a Senior Staff Engineer for a client in the banking sector. You will help build and improve a shared web platform used by different engineering teams, covering frontend, backend, cloud infrastructure, and developer tools.

Responsibilities include designing scalable APIs, improving CI/CD, and mentoring other engineers. A degree or equivalent experience is expected; strong English skills are essential, and the role is onsite in Oslo, Norway.

Qualifications

• Several years of experience as a Software Engineer or Platform Engineer.
• Strong experience with TypeScript, React, and Node.js.
• Experience building and running large production systems.
• Good knowledge of APIs, authentication, caching, performance, debugging, and observability.
• Experience with AWS, Azure, or another cloud platform.
• Experience with DevOps, CI/CD, automation, and Infrastructure as Code.
• Experience building shared platforms, developer tools, or libraries.
• Good written and spoken English.
• Relevant degree or equivalent practical experience.

Responsibilities

• Build and improve shared web-platform services.
• Design scalable APIs, databases, caches, queues, and cloud solutions.
• Create reusable tools and libraries for other engineering teams.
• Improve CI/CD, automation, testing, deployment, and monitoring.
• Work with engineers and architects on technical solutions.
• Take ownership from technical design to production.
• Support and mentor other engineers.

Skills

TypeScript

React

Node.js

AWS/Azure

DevOps

CI/CD

APIs

Observability

Platform Eng

English

Education

Bachelor’s degree or equivalent

Tools

Terraform

Serverless

Kubernetes

IaC

Job description

Location: Oslo, Norway
Work arrangement: Onsite, five days per week
Contract: 12 months, with the possibility of extension
Start: Immediately or as soon as possible

Sperton Norway is hiring a Senior Staff Engineer for a client in the banking sector.

You will help build and improve a shared web platform used by different engineering teams. The role covers frontend, backend, cloud infrastructure, and developer tools.

What you will do

• Build and improve shared web-platform services.

• Design scalable APIs, databases, caches, queues, and cloud solutions.

• Create reusable tools and libraries for other engineering teams.

• Improve CI/CD, automation, testing, deployment, and monitoring.

• Work with engineers and architects on technical solutions.

• Take ownership from technical design to production.

• Support and mentor other engineers.

What we are looking for

• Several years of experience as a Software Engineer or Platform Engineer.

• Strong experience with TypeScript, React, and Node.js.

• Experience building and running large production systems.

• Good knowledge of APIs, authentication, caching, performance, debugging, and observability.

• Experience with AWS, Azure, or another cloud platform.

• Experience with DevOps, CI/CD, automation, and Infrastructure as Code.

• Experience building shared platforms, developer tools, or libraries.

• Good written and spoken English.

• Relevant degree or equivalent practical experience.

Nice to have

• Microfrontends and distributed frontend architecture.

• Server-side rendering and React Server Components.

• Vite, Webpack, esbuild, or similar tools.

• Terraform, serverless, or event-driven architecture.

• Multi-brand or multi-tenant applications.

• Norwegian language skills.

• Comfortable using AI tools while maintaining strong technical understanding.

If you enjoy solving complex technical problems and helping other engineers work more effectively, we would like to hear from you.

About Sperton

Sperton is a global recruitment and consulting company with offices across Europe, Asia, and the Americas. We help organisations find and engage skilled professionals through flexible solutions in recruitment, consulting services, and global mobility.