Senior .NET Developer, 4-day week, remote work available

ONTEC AG

Senior .NET Developer in Vienna working on innovative projects in transport logistics. Join a collaborative team using the latest technologies and agile methodologies.

Posted 5/9/2026full-timeWien • 🇦🇹 AustriaSenior💰 €55,000 - €85,000 per yearWebsite

Tech Stack

Tools & technologies

AzureDockerEntity FrameworkGraphQLKubernetesMS SQL Server.NETRabbitMQSQL

About the role

Key responsibilities & impact

Challenge, variety, and state-of-the-art technologies!
In the upcoming project you will implement complex processes in rail transport logistics.
You will work on technically and functionally exciting tasks as part of one of approximately 10 Scrum teams within a SAFe program.
Backend stack: .NET Core, Entity Framework, GraphQL, MS SQL Server, microservice architecture, RabbitMQ or Azure Service Bus, Git, Azure DevOps, Docker, Kubernetes

Requirements

What you’ll need

Several years of experience as a .NET developer — you must truly be at a senior level
Practical experience in large agile software projects is a plus
Willingness to learn, a quick grasp of new concepts, and the courage to try and introduce new ideas to the team
German is required, and very good English is also necessary
You write clean, high-quality code
Taking responsibility comes naturally to you

Benefits

Comp & perks

4-day week — if you want it, or alternatively an additional week of vacation
Remote work options — for greater flexibility
A public transport ticket if you prefer working from the ONTEC office (our office is, by the way, great; rooftop terrace included)
Optional: additional employee insurance plan
Excellent training and development opportunities — we support anything that makes sense; personal initiative is encouraged
Plenty of fun — at work and beyond
Company events and after-work sessions — for team spirit … and much more!

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

.NET CoreEntity FrameworkGraphQLMS SQL Servermicroservice architectureRabbitMQAzure Service BusGitAzure DevOpsDocker

Soft Skills

willingness to learnquick grasp of new conceptscourage to introduce new ideasresponsibilityclean code writing