Your role:In this role, you will take end-to-end ownership of designing and developing .NET applications integrated with our existing Microsoft stack. You will have a high degree of freedom in choosing frameworks, libraries and tools – as long as they fit well into the .NET ecosystem and the specific project needs.You will work on: Internal business applications used by our teams across the getsix Group Client-facing web applications and portals integrated with our systems and Microsoft Dynamics 365 Business Central Various tools and services supporting our accounting, payroll and business process outsourcing operations This role is a good fit if you enjoy building solutions from scratch, improving existing applications and having a real impact on technical choices. Key responsibilities: Design, develop and maintain .NET/C# applications for internal and external (client-facing) use Propose and select appropriate technologies, frameworks and architectural approaches within the .NET ecosystem for each project Implement integrations with Microsoft Dynamics 365 Business Central and other systems via APIs / web services Develop and maintain user interfaces (UI) – you will be responsible for both backend and the UI layer of the applications you build Design, implement and consume REST APIs Work with SQL databases (designing database structures, writing queries, optimizing performance) Collaborate with business stakeholders to understand requirements and translate them into technical solutions Ensure code quality, security and performance (reviews, testing, documentation, best practices) Work with Git and CI/CD pipelines to deliver changes in a controlled and repeatable way

Cooperate with colleagues across the getsix Group in an international environment

What we expect: Must have: Commercial experience as a .NET Developer (Mid or Senior level) Solid knowledge of C# and the .NET ecosystem Experience in building web applications, including the UI layer Experience with SQL databases Experience working with and/or designing REST APIs Ability to work independently and take ownership of solutions (including proposing technologies and approaches) Good communication and teamwork skills English at a level that allows effective communication in an international environment (written and spoken) Nice to have / strong plus: Experience integrating with Microsoft Dynamics 365 Business Central or other ERP systems Familiarity with the broader Microsoft stack (Azure, SharePoint, Power Platform) Understanding of financial / accounting or invoicing processes Experience with SSO and authentication/authorization in web applications Experience with Git, branching strategies, and CI/CD tools

Experience working in a B2B / professional services / consulting environment

What we offer:

Form of cooperation: Employment contract (UoP) or B2B – depending on your preference

Work model: Hybrid or on-site work from our office in Wrocław

Benefits:

Private medical care (Medicover) Sports package (Medicover Sport) Group insurance Training budget and opportunities for professional development (courses, certifications, conferences) Participation in sports events and company initiatives promoting an active lifestyle All necessary work tools – laptop and comfortable workstation in the office Work in an international environment with exposure to foreign clients Real influence on technology choices and architecture of the solutions you design Friendly, open culture and short decision-making paths