Jobs / Anonymized summary

Senior Software Developer Backend

Confidential employer · Oslo · Posted 6 Oct 2026

Job summary

Seeking a senior backend software developer experienced in C# and .NET to develop and maintain backend services for a platform serving the global energy sector. The role involves building microservices, designing APIs, and contributing to production stability in a modern engineering environment. Familiarity with functional programming (F#) and AI-assisted development tools is a plus.

Location and work setup

Location
Oslo
Work setup
On-site

Responsibilities

Design, build, and maintain .NET backend services using C#, ASP.NET Core, and ORM tools. Develop and extend parts of the platform written in F#. Take ownership of features from design through implementation and support. Work within a microservices architecture to design REST APIs and message-based service integrations. Collaborate with data and DevOps teams for integration with data stores and streaming infrastructure. Maintain high code quality standards including automated testing and code reviews. Utilize AI-assisted coding tools as part of daily development. Foster a collaborative engineering culture through knowledge sharing and peer reviews.

Qualifications

Master’s degree in Computer Science, Software Engineering, or a related STEM field. Proven experience in backend development using C# and .NET technologies, specifically ASP.NET Core and ORM frameworks like Entity Framework. Skilled in microservices architecture, REST API design, and messaging between services. Comfortable leveraging AI-assisted coding tools. Preferred experience includes working with F#, PostgreSQL, Kafka, Kubernetes, Azure, and familiarity with the energy domain. Open to candidates who demonstrate strong potential and a willingness to learn new technologies.

Skills

C#ASP.NET CoreEntity FrameworkMicroservices architectureREST API designMessage-based communicationF# (preferred)AI-assisted coding toolsPostgreSQL (preferred)Kafka (preferred)Kubernetes (preferred)Azure (preferred)