Senior Staff Engineer – Web Platform - Oslo

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.