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May 11, 2026

Mid-Level .NET Developer – Banking Solutions

Mid • Hybrid

14,700 - 19,320 PLN

Lodz, Poland

Unleash Innovation in Financial Technology — Shape the Future of Online Banking!

Łódź-based opportunity with a hybrid work model (2 days in the office per month)

As a Mid-Level .NET Developer, you will be working for our client, a leader in online banking, on cutting-edge financial technology projects designed to enhance user experience and system efficiency. Join a fast-paced environment where your expertise drives digital transformation and financial innovation.

Your main responsibilities:

  • Develop and maintain applications using C#, .NET Core
  • Implement and integrate RESTful APIs
  • Write unit tests to ensure code quality
  • Follow and apply design patterns and best practices such as OOP and SOLID
  • Work with MSSQL databases
  • Collaborate with cross-functional teams using tools like Bitbucket, JIRA, and TeamCity
  • Participate in Agile/Scrum meetings and contribute to sprint planning and review
  • Troubleshoot and resolve complex technical issues

You're ideal for this role if you have:

  • At least 3 years of experience with C#, .NET Core, .NET 5/6, or .NET Framework
  • Solid experience with MSSQL
  • Basic knowledge of Kubernetes and Docker
  • Experience in implementing REST APIs
  • Proficiency in writing unit tests with xUnit and xRay
  • Experience with message queuing systems (e.g., RabbitMQ, Kafka)
  • Knowledge of design patterns and best practices (OOP, SOLID)
  • Familiarity with Agile/Scrum methodologies
  • Proficiency with CI/CD tools
  • Strong problem-solving skills and attention to detail

It is a strong plus if you have: (optional)

  • Basic knowledge of COBOL
  • Knowledge of WCF, WinForms

Language required for the role:
Communicative proficiency in English

Eligibility to work in Europe:
Only candidates with an existing legal right to work in the European Union will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.