Senior C#/.NET Software Developer, Visitor Management System

ASTRUM IT GmbH

. Further development and maintenance of VISIT, a visitor and yard management solution .

Posted 10/28/2026full-timeNuremberg • GermanySeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in software development, particularly in web applications using C#/.NET, while ensuring high software quality through testing and adherence to Clean Code and SOLID principles. Proficient in collaborating with product owners to create technical concepts and develop user-friendly features in an agile environment.

Highest-signal resume keywords

C#/.NET DevelopmentClean Code PrinciplesASP.NETSQLVue.js

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Applicant Tracking System Keywords

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Hard Skills

Software DevelopmentWeb Application DevelopmentUnit TestingIntegration TestingSoftware ArchitectureDesign PatternsAgile MethodologiesPerformance OptimizationUser-FriendlinessTechnical Concept Creation

Soft Skills

Creative Problem SolvingCollaborationCommunication

Tools & Technologies

VISITBlazor

Industry Keywords

STEM DegreeIT SpecialistSoftware ProductsCustomer Requirements Analysis

Tech Stack

Tools & technologies

ASP.NETJavaScriptSQLVue.js.NET

About the role

Key responsibilities & impact

Further development and maintenance of VISIT, a visitor and yard management solution
Analysis of customer requirements
Creation of technical concepts in close consultation with the Product Owner
Playing a key role in developing new features, with a focus on performance and user-friendliness
Ensuring software quality through unit and integration testing
Contributing creative ideas and solution approaches in an agile working environment

Requirements

What you’ll need

Completed degree in a STEM field, such as (business) computer science, mathematics, physics, or a comparable qualification, e.g. as an IT specialist for application development
Several years of professional experience in software development and software products
Relevant experience developing web applications with C#/.NET
Proficiency in Clean Code, SOLID principles, and design patterns
Good knowledge of ASP.NET and SQL
Experience with software architecture is an advantage
Experience with Vue.js and Blazor is desirable
Very good German language skills
Good English language skills

Benefits

Comp & perks

Flexible working hours
Freedom to contribute and implement your own ideas
Collegial working environment, including an informal first-name culture with everyone, including management
Flat hierarchies
Individual professional development opportunities
Lifelong learning through the ASTRUM IT Academy
Exploration Days to experiment with new technologies
ITalks on innovative topics, presented by developers for developers
Company pension scheme
State-of-the-art technical equipment
Health days
Free drinks at the office
Regular team events
Permanent employment contract