Senior Backend Developer

Do you love building backend systems that just work ? Are you the type who gets a kick out of optimizing performance, crafting solid architectures, and making everything run buttery smooth? If so, we want you on our team! Who are we? Norkon is a fast-growing SaaS company that’s been shaking up the media and finance industries since 2014. Our real-time solutions power financial portals and stock market gamification for major media houses like Dagens Næringsliv, The Telegraph, and Handelsblatt. With customers worldwide and a passionate team in Oslo, we’re on an exciting journey, and we’d love for you to hop on board! What’s the job? We need a Senior Backend Developer who can take our platform to the next level. You’ll be working with modern tech, scalable architectures, and real-time data processing. Our backend stack is built on.NET (8+), running in the cloud, and handling high-traffic workloads. If deg killer APIs, optimizing performance, and working with large datasets sounds like your kind of thing, keep reading! What you’ll be doing: Building and maintaining backend services in.NET 8 and ASP.NET Core Deg scalable architectures that handle huge datasets Working with the newest OpenAI and Google APIs to build innovative features Optimizing databases, APIs, and caching for maximum speed Implementing security best practices and ensuring data integrity Collaborating with the frontend team to deliver smooth user experiences Exploring new tech to keep us ahead of the curve What you need to bring: Solid experience in backend development with.NET 8+ and ASP.NET Core Hands-on experience working with OpenAI and Google Gemini APIs Experience handling and optimizing large datasets A deep understanding of system architecture and design principles Strong database knowledge and query optimization skills A love for writing clean, maintainable, and efficient code Bonus points if you have: Experience with financial data or crypto Knowledge of WebSockets for real-time communication Experience with YAML pipelines, DevOps, and CI/CD Proven gRPC experience What’s in it for you? Aside from working with a fun and talented team in a fast-growing company, we offer: 💰 Competitive salary and great conditions 🏢 Cool offices in the heart of Oslo 📱 Paid mobile and broadband 🖥️ Powerful hardware and all the software licenses you need 🎧 Noise-canceling headset (because deep focus is a must!) 🎉 Social events, including our legendary rooftop summer party 💪 On-site gym access ⏳ Flexible working hours (core hours from 09-15) 🌯 "Burrito Tuesday" and "Norkon Breakfast" Why join us? At Norkon, you’ll get to work with cutting-edge tech, solve real-world problems, and be part of a team that values creativity and innovation. We believe in giving our people the freedom to explore, experiment, and grow—all while building world-class solutions for the media and finance industries. If this sounds like the kind of challenge you’re up for, we’d love to hear from you! 📩 Interested? Shoot over your CV (no need for a fancy cover letter—unless you want to impress us). Let’s build something awesome together!