Senior .NET Developer

# .NET Software Developer ## About the Role ilionx is seeking an experienced **.NET Software Developer / Senior .NET Developer** to develop innovative, high-quality software solutions for a range of customers. You will play a key role in creating scalable, efficient, and future-ready applications while contributing throughout the development lifecycle, from gathering requirements through implementation and optimization. Working within high-performance, multidisciplinary teams, you will tackle complex technical challenges using modern technologies and frameworks. Your expertise in **.NET, C#, Azure, cloud solutions, CI/CD, and relational databases** will help transform complex customer requirements into scalable applications, whether building new software, optimizing existing solutions, or integrating Azure services. ## Key Responsibilities - Develop innovative, high-quality, scalable, and efficient software solutions for customers. - Contribute throughout the complete software development lifecycle, from requirements gathering through implementation and optimization. - Translate complex customer requirements and technical challenges into scalable applications. - Build new applications using modern technologies and frameworks. - Optimize and improve existing software solutions. - Integrate diverse **Azure services** into software solutions. - Work collaboratively within high-performance, multidisciplinary teams. - Collaborate with internal colleagues and external customers to deliver successful projects. - Analyze technical problems and develop efficient and effective solutions. - Keep up with new technologies, frameworks, development approaches, and changing customer needs. - Understand customer challenges, needs, and ambitions to develop appropriate technical solutions. - Contribute to knowledge sharing, collaboration, and professional development within the ilionx community. ## Required Qualifications - HBO and/or WO-level diploma. - Minimum **3 years of experience in a similar role**. - Extensive experience with the **.NET Framework / .NET Core**. - Strong proficiency in **C#**. - Experience with **Azure** and its capabilities. - Experience with relational databases such as **SQL Server or PostgreSQL**. - Experience with cloud solutions and **CI/CD methods**. - Strong analytical skills and the ability to solve technical problems effectively. - Good command of the **Dutch language**, both written and spoken. - Availability for **32–40 hours per week**. ## Preferred Qualifications - Knowledge of front-end technologies such as **Angular or React**. ## Skills & Competencies - .NET Framework and .NET Core. - C# development. - Microsoft Azure and cloud solutions. - CI/CD methods. - SQL Server and PostgreSQL. - Front-end technologies, including Angular or React. - Software development and application optimization. - Requirements gathering and analysis. - Technical problem-solving. - Analytical thinking. - Scalable application development. - Azure service integration. - Multidisciplinary collaboration. - Customer relationship and communication. - Adaptability to new technologies and working methods. - Understanding customer needs and business challenges. - Knowledge sharing and continuous learning. ## Education & Experience **Education** - HBO and/or WO-level diploma. **Experience** - Minimum **3 years of experience in a similar position**. - Extensive experience with the .NET Framework and C#. - Experience with Azure. - Experience with relational databases such as SQL Server or PostgreSQL. - Experience with cloud solutions and CI/CD methods. ## Work Arrangement & Schedule - **Work arrangement:** Hybrid. - **Location:** Haren, Netherlands. - **Employment type:** Permanent contract. - **Hours:** **32–40 hours per week**. - **Schedule:** Flexible; employees can determine their own working hours within the stated range. - **Weekend requirements:** Not specified. - Work may take place from an ilionx office, at the customer, or from home. ## Compensation & Benefits - **Salary:** Approximately **€3,500–€5,500** based on a full-time appointment. - Permanent contract. - Attractive bonus from the first working day. - Lease car or mobility allowance. - Generous mobility allowance that can also be used for private driving. - Budget for purchasing and setting up a home office. - Home-working allowance. - Good pension scheme. - Hybrid working environment. - Tailored training and certifications. - Opportunities for personal and professional development. - Challenging working environment. - Flexible public holidays. - Lease bicycle scheme. - Events and social activities. - Time for relaxation and work-life balance. ## Compliance / Additional Information The source job description describes the listed qualifications as an indication of the desired profile and explicitly encourages candidates to apply even if they do not meet every requirement.