Senior .Net Developer

• You have a completed HBO or WO degree and at least five years of experience as a .NET Developer.
• You have in-depth knowledge of .NET Framework/Core, C#, Azure (App Services, Functions), REST APIs, and modern frontend or integration patterns.
• You have experience with software architecture, DevOps, CI/CD, and preferably also container technology.
• You have or want to obtain one or more relevant Microsoft certifications, such as Azure Developer Associate (AZ-204), DevOps Engineer Expert (AZ-400), or Azure AI Engineer Associate (AI-102).
• You master the Dutch language at a minimum of C1 level.

• An employment of 40 hours per week, with flexible possibilities to work part-time.

• A starting salary between € 55,000 and € 85,000 gross per year (this includes holiday allowance and mobility budget), plus bonus.

• A flexible mobility budget, including options such as driving electric.

• Hybrid working and a good work-life balance.

• Extensive training and certification opportunities.

• 26 vacation days per year, with the option to purchase extra days.

• Challenging projects at leading organizations where your technical expertise makes the difference.

At Sogeti, you will work as a Senior.NET Developer in an environment where technology, craftsmanship, and collaboration are central. You will be part of multidisciplinary DevOps and platform teams and work on complex software solutions for organizations where technology directly contributes to growth, modernization, and continuity. Our culture is informal, with short lines, plenty of room for initiative, and a strong focus on quality.

As a Senior.NET Developer, you will apply your technical expertise to challenging projects with visible impact. You will work on modern .NET solutions using cloud-native architectures, microservices, API-first designs, and integrations with AI- and data-driven components. In doing so, you make conscious, pragmatic choices that fit the scale and ambitions of the organization.

You will work with modern tooling and platforms such as Git, CI/CD pipelines, cloud platforms, and container technology (Docker/Kubernetes). You are a technical sparring partner for clients and colleagues and actively contribute to improving development standards, best practices, and developer experience within projects and teams.

Within our Microsoft Community, you will play a visible role as a senior. You share knowledge, mentor colleagues, and help provide direction to technical choices and new developments, such as AI-assisted development and modern platform-driven software engineering.