Backend .NET Developer

About the job Backend .NET Developer Intro:

LetsReg by Deltager AS has been a market leader in registration and payment solutions in Norway since 2000. Licensed as a payment institution, we securely process over NOK 1 billion annually through our client account system, used by both small and large businesses. In recent years, we have accelerated and made significant investments to reach new heights through a newly launched booking solution and a 360-degree rebranding to LetsReg. In addition, we have subsidiaries in Sandefjord (Pindena AS) and England (Participant UK), as well as tech teams in India and Ukraine.

We are a small but international company with high growth ambitions, to be realized through stable and scalable solutions. Our next goals include putting a strong focus on User Experience with our new React frontend, and a global expansion starting with European markets first.

What you'll do:

• Build and improve our core platform using the latest .NETecosystem

• Work closely with product and designers, decisions are fast and data-driven

• Own your designs and solutions end-to-end (API, architecture, integrations, performance, testing)

• Help shape our culture, processes, and product direction

What we are looking for:

• 3-5 years of experience with ASP.NET Core (C#)

• Comfortable using AI tools (Copilot, ChatGPT, Builder.io, Claude) in daily work

• Bonus: worked with React, Azure, GitHub Actions, SQL Server , Cloudflare , Service Bus

• Bonus: experience with event organization and mobile app development

• Drive and ambition, someone who wants to grow and have fun with us

• A T-shaped mindset expert in one area, curious about others

Why join us:

• Competitive salary and total package, including the possibility for equity

• Small, ambitious team -> no bureaucracy, direct influence

• Flexible work setup at the newly opened Rebel in central Oslo

• Scale up with strong owners, solid customers and 25 years on the market

• Relocation package available for the right candidate relocating within the EU/EEA to Oslo region

Location: Oslo, Norway (we support relocation from within EU/EEA).

Package Details

• Possibility for C o-Ownership/Equity

• Attractive Pension Scheme

• Health Insurance

• Mobile Phone and Subscription

• Freedom to choose your hardware

• Office first, but flexible