Senior Backend Engineer (C# & AWS)
We are far from your average bank 🚀
Northmill is a Swedish technology neo-bank that develops straightforward and secure financial services for customers. Our mission is improve people’s financial lives through technology, innovation and lots of passion. We use the latest technology to develop safe, smart, and user-friendly products. We are a challenging profitable product-company where technology rules. We are a 100% cloud company ☁️
What's in it for you?
You should choose Northmill if you want to take part in a unique journey that will give you the opportunity to develop yourself and a chance to make a change. If you are the kind of person that dares to get out of your comfort zone and explore, Northmill is perfect for you.
The Team
Development and product team is located in Poland and Sweden (50 people). And now we plan to extend our dev team.
The scope of your role:
As a Senior Backend Engineer, you will take part in the process of the design and development of modern financial applications.
You will develop advanced monitoring systems used in running operations in the AWS cloud environments.
You will have an impact on our applications by working closely with businesses and clients who use our banking products.
You will work with: C#, .NET Core, ASP .Net Core, AWS ( incl. fargate, lambda, S3, event bridge), Jira, Confluence,Git, Rider/Visual Studio.
You will use DDD and CQRS.
Who are you?
You are a creative and curious person with a genuine interest in software development. We are always looking for new knowledge and have a curiosity out of this world, we think that you have the same mindset and you are excited to read about the latest tech trends. You might also, like us, love to write nice and high-quality code.
We hope you are not afraid to inform about problems and have your thoughts on various solutions.
You are a team player and used to work in an Agile environment.
Since we are a multicultural team English is the required language.
Required qualifications:
5+ year of commercial experience in creating web applications.
Solid experience developing applications using C#.
Solid experience in working with SQL databases.
Willingness and interest to collaborate and work in a team.
Poland as country of residence and Polish citizenship or EU country citizenship
Preferred qualifications:
Experience with software engineering best practices (code reviews, continuous integration, continuous deployment, testing).
Exposure to Agile development methodologies.
Familiar with Web services/web API.
Familiar with AWS platform.
Be inspired by what we offer:
Projects (also from a scratch) within group of experts who are one of the best in Europe! 💪
Real influence on company products and culture, small project teams (max. 8 team members)
A non-corporate atmosphere full of openness to innovation, improvement, teamwork and data-driven approach
Flexible work hours in a hybrid mode with office in Katowice city center
We love to celebrate our successes - this year we were in Spain (Alicante) 🇪🇸
Support your professional growth with the opportunity to attend training workshops and industry conferences
Benefits package (medical healthcare, life insurance, Multisport - and partially founded card for the family, English lessons, library, concierge service)
Internal conferences, trainings and parties: Northcon, Northdevtalks, Northchill
- Department
- Product Engineering
- Role
- Backend Developer
- Locations
- Katowice
- Remote status
- Hybrid Remote

Katowice
Meet our people ✨
At Northmill, you will get a bunch of friendly, driven and nerdy colleagues. Representing 30 different nationalities, the set of different skills and experiences our employees possess is the key to success across all areas of business.
About Northmill
Northmill is a tech company with a banking license aiming to improve financial life, offer merchants smart solutions and erase the borders between in-store and online.
Northmill creates a more personal and relevant experience for people and companies, helping more than 2,500 merchants and 600,000 end users.
Founded in 2006
Revenue 500 MSEK
FTE 160
Saved for users 31 MSEK
Trustpilot 4.8 of 5
Cloud 100 %
End users 600 000
Senior Backend Engineer (C# & AWS)
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