.NET Developer

Description

Job Summary: A .NET/C# developer with experience in web development, REST APIs, and SQL Server databases, collaborating on requirements analysis and incident resolution. Key Highlights: 1. Web application and .NET/C# service development and evolution. 2. REST API design and implementation, and SQL Server optimization. 3. Collaboration in functional analysis and technical support. **PRIMARY RESPONSIBILITIES** * Development, maintenance, and evolution of web applications and services in .NET / C\# (Core versions 9\-10, ASP.NET, .NET Framework 4\.8\). * Design and implementation of REST APIs for integration between internal systems and external services. * Development of user interfaces using Razor and Node.js components when required. * Integration of applications with the central IBM Power9 / DB2 system via connectors and services. * Design, optimization, and maintenance of queries and stored procedures in SQL Server. * Functional and technical analysis of new business requirements in collaboration with end-user departments. * Resolution of Level 2 technical incidents and support for key users during working hours. * Technical documentation of developed solutions. * Close collaboration with the Systems department to ensure architectural and operational consistency. * Maintenance and evolution of AI agent-based incident automation systems, n8n, and local LLM models. * Technical mentoring and support for junior developers and interns in the team. **ESSENTIAL REQUIREMENTS** **Education:** * Bachelor’s degree in Computer Engineering, Software Engineering, or equivalent. * Alternatively, Advanced Vocational Training (FP Superior) in Web Application Development or Multiplatform Application Development, with demonstrable equivalent experience. **Experience:** * Minimum 5 years of professional experience in .NET / C\# development. * Demonstrable experience in projects using ASP.NET and .NET Framework 4\.8\. * Experience with .NET Core (ideally recent versions 8\-10\). * Experience in designing and consuming REST APIs. * Experience with SQL Server: schema design, optimized queries, stored procedures. * Prior experience in enterprise environments with transactional information systems. **Technical Skills:** * .NET / C\# (Core 9\-10 and Framework 4\.8\) * ASP.NET, MVC, Razor * REST APIs (design, implementation, and consumption) * Node.js (functional level) * SQL Server (advanced) * Git and version control tools * Visual Studio and/or VS Code **PREFERRED QUALIFICATIONS** * Experience with IBM i / Power9 systems and DB2 integration. * Knowledge of RPG or CL (not mandatory). * Experience with Entity Framework / Entity Framework Core. * Practical knowledge of AI agents, LLM integration, and automation tools (n8n, LangChain, or similar). * Experience with LLM APIs (OpenAI, Anthropic, local models such as LLaMA). * Familiarity with agile methodologies (Scrum, Kanban). * Basic DevOps knowledge (CI/CD, Azure DevOps). * Experience in the retail or energy supply sectors. **PERSONAL COMPETENCIES** * Ability to work independently with sound technical judgment. * Strong communication and collaboration skills with non-technical departments. * Problem-solving orientation and proactivity. * Functional analysis capability and understanding of business processes. * Willingness to mentor others and work collaboratively.