Senior .NET Developer

Established in 1997, Softeq was built from the ground up to specialize in new product development and R&D, tackling the most difficult problems in the tech sphere. Now we've expanded to offer early-stage innovation and ideation plus digital transformation business consulting. Our superpower is to deliver all of this under one roof on a global scale. So let's get started and build a better future together!We’re looking for a Senior .NET Developer to join our team and contribute to its continued growth.We are expecting to grow our team and begin new projects in the next 1-2 months. As such, we’re starting to accept resumes and process chosen candidates. Feel free to apply!Location and type of contract:Warsaw (Poland) - fully remote work (B2B contract);Vilnius (Lithuania) - hybrid/remote (B2B or employment contract).Your daily routine:Lead the design and development of complex .NET applications using best practices and modern architecture patterns (e.g., microservices, clean architecture);Write clean, efficient, and testable C# code, and perform code reviews to ensure high standards;Contribute to continuous improvement of development processes and DevOps practices (CI/CD pipelines, infrastructure as code);Stay updated on emerging technologies and propose their adoption when relevant to the business.Our expectations:5+ years of professional experience with .NET and C# in backend development roles;Proven experience with ASP.NET Core, RESTful API development, and asynchronous programming;Strong knowledge of software architecture, design patterns, and SOLID principles.Experience with relational and/or NoSQL databases (e.g., SQL Server, PostgreSQL, MongoDB);Familiarity with containerization (Docker) and cloud platforms (Azure, AWS, or GCP);Hands-on experience with version control (Git) and agile methodologies (Scrum/Kanban);Good communication skills.A bonus would be:Experience with front-end technologies (e.g., Angular, React, or Blazor);Relevant certifications in .NET, Azure, AWS or solution architecture.Softeq communicates only from @softeq.com email addresses. We never request payments or fees for any reason during hiring — including trainings or courses to be completed, equipment, onboarding, or background checks — and we will not ask for cryptocurrency or gift cards. If you receive a message from any other domain or requesting payment, do not respond and report it to [email protected]