Senior Fullstack Developer

.NET Developer Are you passionate about building technology that powers seamless digital experiences at scale? An innovative Norwegian technology-driven business is looking for a .NET Developer to join its growing development team. The company is a market leader within its industry, delivering proprietary digital platforms, data-driven services, and customer-facing solutions used by businesses across Norway and the wider Nordic region. The organisation has made significant investments in technology and product development, with software playing a central role in its future growth strategy. This is an opportunity to work on business-critical systems, modernise platforms, and contribute to products used by thousands of users every day. The Role As a Senior .NET Developer, you will be responsible for designing, developing, and maintaining modern applications and services that support both customer and internal business operations. You will collaborate closely with developers, product specialists, architects, and stakeholders to deliver high-quality software solutions while influencing technical direction and best practices across the team. Responsibilities

• Develop and maintain scalable applications using .NET and C#
• Design and build APIs, integrations, and backend services
• Contribute to architecture decisions and technical roadmaps
• Drive code quality through reviews, testing, and mentoring
• Work closely with product teams to translate business requirements into technical solutions
• Improve system performance, reliability, and security
• Support the continued evolution of cloud-based and data-driven solutions

Desired Experience

• Strong commercial experience with C# and .NET
• Experience building distributed systems, APIs, and integrations
• Knowledge of Azure and cloud-native development practices
• Experience working with SQL databases
• Familiarity with modern frontend technologies is advantageous
• Strong understanding of software architecture and engineering best practices
• Experience working within agile development environments

What They're Looking For

• A collaborative and proactive mindset
• Passion for technology and continuous improvement
• Strong communication skills
• Ability to balance technical excellence with business value
• Someone who enjoys taking ownership and influencing technical decisions

Why Join?

• Opportunity to work for a well-established business undergoing continued technology investment and growth
• Modern technology environment with a strong focus on in-house product development
• Collaborative and supportive engineering culture
• Significant autonomy and influence over technical solutions
• Competitive salary and benefits package
• Flexible and hybrid working environment

Location: Oslo Position: Permanent Language: Full Norwegian proficiency required If you're an experienced .NET developer looking to work on impactful products in a technology-led organisation, we'd love to hear from you. Please reach out to Elizabeth Tyler at e.tyler@tenthrevolution.com so more information.