Senior Backend Developer (.NET)

About the Position

Senior Backend Developer (.NET)

A well-established software product company is looking to hire a Senior Backend Developer to strengthen a core development team working on a long-lived, business-critical platform. The company develops and maintains a complex SaaS product with a large and stable customer base. The platform has evolved over many years and is now undergoing continuous modernization, with a strong focus on performance, security, scalability, and integrations.

This is a permanent position suited to someone who enjoys working with real-world systems, taking ownership of backend development, and contributing to the long-term technical direction of a product.

Responsibilities

• Backend development using modern.NET
• Designing, improving, and maintaining REST APIs
• Working with databases such as PostgreSQL and MS SQL
• Building and maintaining external integrations with third-party systems
• Improving performance, security, and maintainability across the codebase
• Collaborating with frontend developers to support new functionality
• Reading and understanding legacy code where needed (new development is modern)
• Contributing to architectural discussions and longer-term technical improvements

Requirements

• 5+ years of professional backend development experience
• Strong experience with C# /.NET /.NET Core
• Solid understanding of relational databases
• Experience working with APIs and integrations
• Familiarity with cloud environments (primarily Azure)
• Experience with Docker / containerised deployments
• Comfortable working in Git-based workflows
• Able to work independently while contributing actively within a team

Nice to Have

• Experience working on long-lived or evolving platforms
• Exposure to multiple products within the same ecosystem
• Architectural mindset or interest in technical leadership
• Experience supporting or influencing frontend teams

We Offer

• Competitive salary aligned with senior-level backend profiles
• Hybrid working model with good flexibility
• Core collaboration hours during the day
• Strong emphasis on trust, ownership, and teamwork
• Developers are encouraged to solve problems end-to-end while staying aligned with the wider team
• AI tools are actively used to improve productivity, with company-provided licenses

Growth & Development

• Long-term role with meaningful influence over the product's evolution
• Clear opportunity to grow into a technical leadership role over time
• Supported learning through courses, training, and conferences
• Stable business with a long-term view, not driven by short-term delivery pressure

Practical Details

• Position: Permanent
• Location: Oslo, Norway (Hybrid)
• Salary: NOK 800,000 to NOK 1,050,000
• Start: As soon as possible

About the Company

Reach out to Elizabeth Tyler at [email protected] for more information or to apply.