Senior Software Engineer (.NET) - Merchant Experience

  • Full-time
  • CKO Department: Technology

Company Description is one of the most exciting fintechs in the world. Our mission is to enable businesses and their communities to thrive in the digital economy. We’re the strategic payments partner for some of the best known fast-moving brands globally such as Wise, Hut Group, Sony Electronics, Homebase, Henkel, Klarna and many others. Purpose-built with performance and scalability in mind, our flexible cloud-based payments platform helps global enterprises launch new products and create experiences customers love. And it's not just what we build that makes us different. It's how.

We empower passionate problem-solvers to collaborate, innovate and do their best work. That’s why we’re on the Forbes Cloud 100 list and a Great Place to Work accredited company. And we’re just getting started. We’re building diverse and inclusive teams around the world — because that’s how we create even better experiences for our merchants and our partners. And we need your help. Join us to build the digital economy of tomorrow.

Job Description

The Merchant Experience team

This team is home to our merchant platform, including our client facing platform, and merchant account and configuration. Our mission is to provide our merchants with a delightful, secure yet compliant platform that allows them to make the best use of products. They also continuously work with other teams to expand our product suite and build interfaces for other product areas that bring their capabilities to life.

Our Merchant Trust and Care team sits under the Portals product group that is responsible for building an industry leading portal platform and providing an unique experience while serving reliable financial data to our merchants.

In order to thrive in a constantly evolving digital economy, merchants and their developers seek education, support and a partner they can rely on when thinking about payments. It's critical that The Merchant Care and Trust team provides timely and scalable solutions when a merchant is integrating, raising a request and processing payments, through self-serve platforms and delightful experiences.

The role

This is an opportunity to contribute towards the foundational work for our end-to-end merchant care and trust platform, get exposure to other areas of our business and shape future experiences.

At, we embrace the owner-operator model of work in which our teams are responsible for development, testing and operations and are now looking for a senior engineer to come join us and help us build great products.

Our tech stack consists of .NET Core 6, C#, AWS (Fargate; DynamoDB; Lambda; SQS...), Docker, Terraform, Elasticsearch, Grafana and Datadog.

How you’ll make an impact

  • Plan for the long term vision of our infrastructure and its quality while not overengineering.
  • Contribute to designing, developing, and delivering new features for our products while also maintaining existing ones.
  • Collaborate with our multidisciplinary team to deliver key functionalities.
  • Assist in requirements identification and in producing specifications.
  • Maintain high quality standards and best practices for code, infrastructure and documentation.
  • Support the creation and maintenance of technical documentation.
  • Participate in team knowledge management and make recommendations for continuous improvement of SDLC.


What we’re looking for

  • Proven background in Software Development, Design and Architecture, with security in mind.
  • Solid knowledge of software design patterns.
  • Strong experience with .NET Core and ASP.NET Core.
  • Excellent practical knowledge of OOP concepts and SOLID principles.
  • Hands-on experience with SQL and NoSQL.
  • Experience with Unit and Integration testing.
  • Experience with Continuous Integration and Deployment workflows.
  • Cloud-based application development experience.
  • Enjoy learning new skills and using the best tools for the job.
  • Superb communication skills and ability to interact effectively with multidisciplinary teams.

Additional Information

Apply without meeting all requirements statement 

If you don't meet all the requirements but think you might still be right for the role, please apply anyway. We're always keen to speak to people who connect with our mission and values.

We believe in equal opportunities

We work as one team. Wherever you come from. However you identify. And whichever payment method you use. 

Our clients come from all over the world — and so do we. Hiring hard-working people and giving them a community to thrive in is critical to our success.

When you join our team, we’ll empower you to unlock your potential so you can do your best work. We’d love to hear how you think you could make a difference here with us. 

We want to set you up for success and make our process as accessible as possible. So let us know in your application, or tell your recruiter directly, if you need anything to make your experience or working environment more comfortable. We’ll be happy to support you.

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