Senior .NET Developer

New

QualityHosting AG

Job

In this role, you develop key features for our cloud platform, translate requirements into technical concepts, and ensure quality standards through reviews and testing while coordinating agile projects.

Job summary

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Job technologies

Your role in the team

  • You’ll spend around 50 to 70% of your time developing sophisticated features for our cloud platform yourself.
  • You translate requirements into clear technical concepts and work packages, and prioritize them for the team and AI agents.
  • You’ll help advance our approach to Claude Code, Claude Skills, and agentic software development.
  • You ensure technical quality through reviews, testing, and verification.
  • You coordinate implementation and ensure transparency around priorities, progress, and releases.

Our expectations of you

Qualifications

  • High standards of quality and a passion for pragmatic solutions.
  • Very good command of German and English.

Experience

  • At least five years of experience in software development with C# and .NET.
  • Practical experience with agentic software development: You know how to prepare requirements for AI agents and review their outputs.
  • Experience with agile ways of working, prioritization, and stakeholder management.

What we offer

  • Work in a way that suits you: Hybrid working is the norm here, not the exception: 2 days working from home and 3 days in the office—so you can stay flexible while still being close to the team.
  • A job with a future: Permanent employment contract with an established cloud service provider with locations in Frankfurt am Main and Gelnhausen.
  • Your budget, your development: €2,000 annual learning and development budget for certifications, conferences, books, or coaching. Plus free language courses.
  • Well protected & fairly compensated: Company pension plan with matching contributions—we double yours—plus a fair bonus system on top.
  • Perks that add up: corporate discounts at Adidas, Apple, Expedia, home24 and many other partners—plus an annual budget of €400 for our QualityHosting merch shop.
  • A team that sticks together: Flat hierarchies, agile structures, and a warm, supportive atmosphere—along with the flexibility to balance family and work. Plus regular team events and the occasional summer BBQ evening together.
  • Your location, your choice: a quiet setting in Gelnhausen with free parking or our modern glass office in Frankfurt with your JobTicket covered—you decide.

Benefits

Topics you will work on

Job locations

Map of the job locations
© OpenMapTiles, © OpenStreetMap contributors
  • Location Frankfurt
    Hessen, Germany
  • Location Gelnhausen
    63571 Hessen, Germany

About your employer

As one of the top Microsoft partners in Germany, QualityHosting AG is the go-to provider for all things cloud. We offer hosted Exchange and cloud solutions that are tailored to the needs of German businesses.

Company type
Established Company
Work model
Onsite, Hybrid
Industry
Internet, IT, Telecommunication
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Senior .NET Developer

QualityHosting AG