C# / .NET Software Developer

VOLENTUM Group Deutschland

C#/.NET Softwareentwickler developing and optimizing backend, web, and desktop applications. Collaborating in agile teams using modern frameworks and methodologies to enhance software solutions.

Posted 7/7/2026full-timeRemote • 🇩🇪 GermanyMid-LevelSenior💰 €40,000 - €60,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Proficient in developing and enhancing applications using C#, .NET, and modern frameworks like ASP.NET Core and WPF, with a strong focus on performance optimization and clean software architecture. Demonstrates analytical skills and teamwork in agile environments, ensuring quality through code reviews and technical documentation.

Highest-signal resume keywords

C# DevelopmentASP.NET CoreWeb API DevelopmentAgile Development ProcessesSQL Server

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

C#ASP.NET CoreWeb APIObject-Oriented ProgrammingClean Software ArchitectureSQL ServerPostgreSQLMySQLGitEntity Framework

Soft Skills

Analytical MindsetStructured Working StyleTeamworkCommunication

Tools & Technologies

WPFBlazorAngularReactMicrosoft AzureAWSDockerKubernetesCI/CDDevOps

Certifications & Qualifications

Degree in ITVocational Training in IT

Industry Keywords

Clean CodeSoftware QualityTechnical DocumentationQuality AssurancePerformance Optimization

Tech Stack

Tools & technologies

AngularASP.NETAWSAzureCloudDockerEntity FrameworkKubernetesMySQL.NETPostgresReactSQLWPF

About the role

Key responsibilities & impact

Develop and enhance desktop, web, or backend applications using C#, .NET and modern frameworks such as WPF and ASP.NET Core
Design and implement backend services, interfaces and Web APIs
Optimize existing applications for performance, stability and maintainability
Analyze technical requirements and coordinate with business units, product owners and project teams
Participate in agile development processes and apply modern development practices, Clean Code principles, testing and CI/CD
Perform code reviews, produce technical documentation and ensure quality assurance
Depending on experience: assume responsibilities in architecture, technical project leadership or mentoring

Requirements

What you’ll need

Completed vocational training, degree in IT or equivalent practical experience
Experience in development with C# and .NET / .NET Core
Knowledge of ASP.NET Core, Web APIs, interface development or comparable technologies
Experience with object-oriented programming, clean software architecture and relational databases such as SQL Server, PostgreSQL or MySQL
Confident use of Git and basic understanding of agile development processes, testing and CI/CD
Analytical mindset, structured way of working and enjoyment of teamwork
Very good German language skills, both written and spoken
Advantageous but not required: experience with Entity Framework, WPF, Blazor, Angular or React; knowledge of cloud technologies such as Microsoft Azure or AWS; experience with Docker, Kubernetes or modern DevOps processes; interest in Clean Code, software quality and modern development practices

Benefits

Comp & perks

Permanent full-time or part-time employment directly with our client
An attractive, market-based annual salary between €40,000 and €60,000 gross – depending on region and experience (Junior to Senior)
Possible work models: 100% remote within Germany, hybrid or on-site – depending on the specific position, your place of residence and personal circumstances (commuting by public transport/car/bike or relocation)
30 days of vacation
Varied tasks across different software projects
Modern technologies and structured development processes
Individual training and development opportunities
Career support during your onboarding and beyond
Personal consultation, transparent communication and suitable career options instead of random job suggestions