Warsaw/Łódź-based opportunity with hybrid work model (2 times in the office/month).
As a Lead Senior .NET Developer you will be working for our client, a leading company in the online banking sector that is currently expanding its digital solutions to provide secure, scalable, and efficient services to millions of customers. You will play a key role in developing and implementing backend systems that ensure high performance and reliability, while also taking responsibility for guiding project design, development, and deployment. This position offers the opportunity to contribute to cutting-edge financial solutions while collaborating with a highly skilled technical team.
responsibilities :
Implement backend solutions using .NET Core, .NET Framework, and MS SQL
Ensure high code quality by writing unit and automated tests
Lead project design, development, and deployment activities
Collaborate with cross-functional teams to define technical requirements
Review and optimize code to improve performance and scalability
Maintain technical documentation and contribute to knowledge sharing
Support integration of REST APIs with internal and external systems
Mentor junior developers and provide technical leadership
requirements-expected :
At least five years of experience in backend development with C#, SQL, and REST API
Advanced knowledge of .NET Framework, .NET Core, and ASP.NET WebAPI
Strong understanding of architectural patterns for scalable and high-performance solutions
Proficiency with version control and collaboration tools such as Git, Jira, and Confluence
Experience in writing unit and automated tests
Ability to design and implement secure, reliable, and maintainable solutions
Strong problem-solving and analytical skills
Solid communication skills in English for reading, writing, and technical discussions
Ability to work independently as well as in a team-oriented environment
offered :
Stable and long-term cooperation with very good conditions
Access to attractive Medical Package
Enhance your skills and develop your expertise in the financial industry
Access to Multisport Program
Work on the most strategic projects available in the market
Access to Pluralsight
Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
Flexible hours
Participate in Social Events, training, and work in an international environment