Fullstack Developer (.NET + React)

Łódź-based opportunity with hybrid work model (2 times in the office/month).

As a Fullstack .NET Developer you will be working for our client, one of the leaders in online banking, involved in developing and maintaining cutting-edge digital banking platforms. You’ll contribute to building high-performance, scalable, and secure systems using modern technologies such as .NET 8.0 and React.js. The project involves close collaboration with cross-functional teams to implement new features, automate processes, and ensure high-quality code using best practices and testing strategies. This is a great opportunity to make an impact in the fintech space, supporting millions of users across digital channels.

Your main responsibilities: 

• Develop new features using .NET 8.0 and React.js
• Write and maintain unit and automated tests
• Apply and promote design patterns and software architecture principles
• Collaborate with cross-functional teams in an Agile environment
• Participate in code reviews and provide constructive feedback
• Integrate solutions with MSSQL databases and CI/CD pipelines
• Troubleshoot and resolve technical issues across environments
• Use tools like GIT and TeamCity for version control and continuous integration
• Follow and promote best practices such as SOLID principles
• Document technical solutions and contribute to system documentation

You're ideal for this role if you have:

• Commercial experience with C# and .NET 8.0
• Proficiency in React.js for frontend development
• Strong knowledge of unit and automated testing practices
• Practical experience with software design patterns
• Understanding of software engineering best practices (e.g., SOLID)
• Good command of English for reading and writing technical documentation
• Familiarity with MSSQL, Visual Studio, GIT, and TeamCity
• Experience working with Kubernetes in production environments
• Knowledge of Ansible for configuration management
• Ability to work effectively in a collaborative and Agile environment

Nice to have:

• Experience with SpecFlow/Gherkin
• Familiarity with PowerShell
• Grafana

Internal number #6723

The data controller of your personal data is ITDS Polska sp. z o.o. with its registered seat in Warsaw. We will process your personal data for the purpose of current recruitment process on the basis of art. 6(1)(b) GDPR in conjunction with art. 22(1).1 Labor Code (if you are applying for position with employment contract), as well as Article 6.1.a. in the scope specified in art. 22(1a).1 of Labor Code, for the purpose of fulfilling legal obligations related to recruitment for employment or cooperation (art. 6(1)(c) GDPR).

You can report violations in accordance with ITDS’s Whistleblower Procedure, available here