Northmill Bank

Senior Backend Engineer (C# & AWS)

Northmill Bank  •  Stockholm, SE (Onsite)  •  5 months ago
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Job Description


Northmill Bank is a challenger bank at the intersection of technology and finance, committed to revolutionizing the way people manage and protect their financial well-being. We are creating a different kind of banking experience, digital yet personal

Northmill Bank was founded in 2006 and have grown to over 200 employees in 3 countries, 4 000 merchants and 600 000 end users. We use the latest technology to develop safe, smart, and user-friendly products for our customers. They are the sole reason why we do what we do. We are a 100% cloud-based product company where technology is the driver to create smarter banking products.

Grab this opportunity to be a part of us and our journey!

About the role

As a Senior Backend Engineer, you will play a key role in designing and developing modern financial applications that power our banking ecosystem. You will build and enhance advanced monitoring systems that support our operations in AWS cloud environments, ensuring reliability, performance, and scalability.

In this role, you'll collaborate closely with our business teams and the clients who rely on our products, giving you meaningful influence over how our applications evolve.

Your daily work will involve technologies such as C#, .NET, ASP.NET, and AWS (including Fargate, Lambda, S3, and EventBridge), as well as tools like Jira, Confluence, Git, and Rider/Visual Studio. You will work with established architectural patterns such as DDD and CQRS, and you’ll also leverage modern AI-powered development tools to boost productivity and code quality.

Required qualifications:

  • 5+ years 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.
  • Stockholm as a place of living & SE citizenship or EES Resident status.

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 the AWS platform.
  • Experience in working with NoSQL databases

About you

You’re a creative and curious person with a genuine passion for software development. Like us, you love learning, staying up to date with the latest tech trends, and writing clean, high-quality code.

You’re comfortable sharing your thoughts, raising problems early, and contributing to thoughtful solutions. You thrive in a team environment and have experience working in an Agile setup.

As we’re a multicultural team, strong proficiency in English is required.

What we offer

  • A fantastic office in a prime Stockholm location with great spaces and views
  • An independent role with the opportunity to make a real impact
  • Great opportunities for professional development
  • Health - 5 000 kr health care allowance
  • Conference abroad every other year
  • Breakfast and fruits every day, as well as "holy fika” each Friday
  • Regular after work and celebrated successes at the office

Apply today and be a part of Northmill!

Northmill Bank

About Northmill Bank

At Northmill Bank, our mission is clear: Improve financial life. Founded in Sweden, we’re a tech-driven bank with a customer-first mindset, committed to simplifying the way individuals and businesses manage their finances. By combining innovation, data insights, and a passion for creating real value, we provide intuitive, personalised solutions that empower our customers to thrive.

For consumers, we deliver tailored financial tools and products, from flexible credit options to seamless saving solutions, all designed to meet their unique needs.

On the business side, we empower companies with comprehensive financial solutions, including small business credit lines, large financing for major investments, and versatile accounts for transactions and savings. As a certified provider of both Swish and RIX-INST, we offer businesses the speed and reliability they need in today’s fast-paced economy.

At Northmill Bank, we believe in being more than just a bank. We’re a trusted partner, building genuine connections through thoughtful customer experiences, innovative offerings, and collaboration across all touch-points. By continually raising the bar for what banking can achieve, we’re setting the benchmark for financial services in Sweden and beyond.

Industry
Finance & Insurance
Company Size
201-500 employees
Headquarters
Stockholm, SE
Year Founded
2006
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