.NET Developer (digital payment)

Join an international technology team building next-generation open banking solutions used across Europe. Our platform enables secure, reliable, and high-quality connectivity to financial institutions—powering innovative products and services in the digital payments ecosystem.

You will work in a highly skilled, collaborative environment alongside teammates located mainly in Denmark, Ireland, and Romania.

As a .NET Developer, you will contribute to the development, improvement, and maintenance of a large-scale open banking platform. You will work on advanced API solutions focused on security, data processing, monitoring, onboarding automation, and high-performance connectivity.

This role is ideal for engineers who enjoy solving complex problems, working in modern cloud environments, and collaborating with international teams.

Our expectations:

• Higher education degree in Computer Science or a related field,

• Minimum 6 years of commercial experience in .NET development,

• Strong experience with C#, .NET (latest versions), ASP.NET, and API development,

• Experience building software using modern engineering practices: Version control systems; CI/CD pipelines; Automated testing; Ticketing systems (e.g., Azure DevOps),

• Experience deploying applications to cloud environments (Azure or AWS),

• Ability to work effectively in an international, cross-functional team.

• Proficiency in English, fluent Polish,

• Hybrid work 2-3 days per week (Warsaw or Gdansk).

  
  

Nice to have:

• Experience with Infrastructure as Code (IaC), ideally Terraform,

• Knowledge of application and API security (Certificates, HTTPS, etc.),

• Experience in highly regulated industries (finance, healthcare, public sector),

• Passion for problem-solving and continuous learning.

  
  

Main responsibilities:

• Design, develop, and deliver software solutions based on modern .NET technologies,

• Modernize and adjust existing applications according to internal standards and best practices,

• Perform system maintenance, identify root causes, and resolve issues efficiently,

• Develop, optimize, and maintain backend services and APIs,

• Collaborate closely with developers, testers, architects, and business stakeholders to design new features and enhancements,

• Work within a team environment to achieve shared goals using modern engineering tools and processes (VCS, CI/CD, test automation, ticketing systems).