Logo CORDES & GRAEFE KG

Senior Backend Developer

Job

  • Level
    Senior
  • Location
    Stuhr
  • Working Model
    Hybrid, Onsite
  • Job Field
    Back End
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment

Job Summary

In this role, you will develop backend systems and APIs using .NET and C#, modernize existing applications through refactoring, and contribute to architectural decisions for our e-commerce platform.

Job Technologies

Your role in the team

  • As a Senior Backend Developer (m/f/d), you will shape the future of our e-commerce platform through modernization and further development of the backend systems.
  • With your deep technical expertise, you ensure stability, performance, and security.
  • You analyze complex challenges, resolve issues sustainably, and optimize existing structures for scalability and efficiency.
  • In an innovation-driven environment, you actively drive architectural decisions and implement your ideas together with Product Owners and developers.
  • You develop and optimize backend systems as well as APIs with .NET and C# for our e-commerce platform.
  • You analyze and fix technical errors to ensure long-term stability and performance.
  • You modernize existing applications through refactoring and create a maintainable system landscape.
  • You are responsible for the development and integration of database access and system interfaces.
  • You actively contribute to technical improvements, architecture decisions, and cross-functional projects.

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Our expectations of you

Education

  • Completed degree in Computer Science or a comparable qualification with relevant professional experience.

Qualifications

  • In-depth knowledge of .NET 8+, .NET Core, C# as well as relational databases and SQL.
  • Familiarity with microservices, service-oriented architectures, and CI/CD processes (Git).
  • Basic knowledge of frontend technologies (TypeScript, JavaScript) and a high motivation for technical development.
  • Fluent German skills are mandatory (at least B2).

Experience

  • Several years of experience in developing complex backend systems in e-commerce, platform, or enterprise environments.

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What we offer

  • Flexible working model (hybrid).
  • A secure job in a growing sector.
  • A growing team with individual development opportunities.
  • Employee Academy, Egym Wellpass, Jobrad, and Corporate Benefits.

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Benefits

Higher Take-Home Pay

Food & Drink

Health, Fitness & Fun

Work-Life-Integration

Topics You Will Work On

Job Locations

  • Location Stuhr

    28816 Niedersachsen

    Germany

About Your Employer

CORDES & GRAEFE KG

CORDES & GRAEFE KG

As the holding company of GC-GRUPPE, CORDES & GRAEFE KG is the market leader in German wholesale for home technology. We provide the over 20,000 employees in Germany and 16 other countries with the required information, materials and services so that the 150 medium-sized companies can operate smoothly.

Description

  • Company Size
    250+ Employees
  • Company Type
    Established Company
  • Working Model
    Hybrid, Onsite
  • Industry
    Industry, Production, Trade

Employer reviews

by devworkplaces.com

Total

(1 Review)
2.9
  • Culture

    3.0
  • Workingconditions

    3.2
  • Engineering

    2.6
  • Career Growth

    3.0
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Logo CORDES & GRAEFE KG

Senior Backend Developer

Location
Stuhr
Working Model
Hybrid, Onsite
Diversity
Open for all genders

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