Mid-Level .NET Core Developer – Banking Solutions

Mid-Level .NET Core Developer – Banking Solutions Lodz Hybrid .NET 8 .NET Core C# Docker Entity Framework Kubernetes SQL Web APIs Polish Mid-Level Banking Developer Unleash innovation — shape the future of banking technology! Łódź-based opportunity with hybrid work model (2 days in the office per month). As a Mid-Level .NET Core Developer – Banking Solutions, you will be working for our client, a leading player in the online banking sector. You will contribute to the development and enhancement of core banking systems, enabling innovative financial services and digital transformation. This is a chance to grow your career within a dynamic environment focused on cutting-edge technology solutions. Your main responsibilities: Implement backend solutions using C#, .NET Core, and .NET 8 Develop and maintain automated unit and integration tests Design and execute software development and deployment projects Maintain systems ensuring seamless communication with internal and external platforms Collaborate with cross-functional teams to deliver integrated solutions Work with new technologies to enhance system performance and capabilities Manage databases using SQL, Entity Framework, and Web APIs Participate in Agile development cycles, writing high-quality documentation Support deployment and ongoing maintenance of systems in production environments You're ideal for this role if you have: Minimum of 3 years of experience in software development, specifically with C# and .NET 8 Strong knowledge of MS SQL and experience with Docker and Kubernetes Hands-on experience with unit testing and automated test development Familiarity with user requirements analysis and system design methodologies Experience working within Agile teams Strong communication skills and ability to work collaboratively It is a strong plus if you have: (optional) Experience with tools like TeamCity, PowerShell, DevOps, SonarQube Knowledge of AI-powered solutions (e.g., LLM APIs such as OpenAI or Azure OpenAI, chatbots, text processing) Familiarity with cloud solutions Language Required for the role: Polish (Communicative level) Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role.