Senior Software Engineer – (.NET / Azure / Vercel) (m/f/d)

UDG Rhein-Main GmbHMainzstepstonepublished 09/09/2026
Must-have:C#Next.jsGraphQLGitAzureDockerKubernetesCloudAgileCI/CDMicroservicesSeniorRemoteHybrid
Machine translation — original language: German.Show original

Introduction

We are looking for a Senior Software Engineer (.Net/Azure/Vercel) (m/f/d) for the construction and further development of modern digital platforms.

You will work with .NET, Azure, Sitecore XM Cloud, Next.js, Kubernetes, and Headless technologies to develop scalable and future-proof solutions.

Your Tasks

Conception and construction of new .NET solutions, including .NET Aspire, with a clean and future-proof basis

Ensuring a healthy codebase through Clean Coding, dependency updates, and continuous modernization

Designing our Azure cloud architecture – including sizing, scaling, cost optimization, and CI/CD pipelines

Responsibility for our Vercel / Next.js platform – from configuration and deployment to features such as Edge Config

Definition and maintenance of our Git/Gitflow strategy across branching, merging, and releases

Construction and operation of containerized applications with Docker and Kubernetes

Development of enterprise web solutions with Sitecore XM Cloud, Content Hub, and Headless architectures (JSS, GraphQL), together with ASP.NET, C#, and SQL Server

Your Profile

Sound experience with Azure, CI/CD, and modern .NET (incl. .NET Aspire)

Practical know-how in Docker/Kubernetes and containerized deployments

Experience with Sitecore (XM Cloud, Content Hub, Headless with JSS/GraphQL) across multiple versions

Understanding of microservices, API management, and modern deployment strategies

Clean code and best practices are more important than quick solutions

Independent work in agile teams, across technology boundaries

Fluent English skills; good German skills are an advantage

We Offer

The chance to become part of a large, international agency group: approx. 500 great employees, a modern, customer-centric business model, and a true New Work environment. As part of MSQ with a total of nearly 1500 colleagues, we offer an international perspective with offices and sister agencies in the UK, USA, and Asia

Flexible working environment: Hybrid (3-4 days of home office per week possible) or in one of our beautiful offices

Agile organization: Self-organized teams, detailed onboarding with a personal buddy, and plenty of support from experienced colleagues

Benefits: Jobrad leasing, fitness and self-care offers via EGYM Wellpass, company pension scheme, training budget, beverage flat rate, and good coffee

Further Information

UDG Rhein-Main GmbH

Taunusstr. 59-61

55120 Mainz

MSQ DX | The digital impact company german