Backend Engineer (f/m/d)

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mobile work

full-time

effective immediately

Department:

Engineering

Your mission

JTL is one of the leading providers of e-commerce software in the German-speaking region, with around 450 employees across the group and more than 50,000 customers across a wide range of industries. We develop scalable, flexible solutions for the online retail of the future — from ERP systems to shop and marketplace integrations.

As a Backend Developer at JTL, you will help develop and modernize the backend services and business logic that power our software platform. You’ll work with modern .NET technologies and contribute to the ongoing evolution of our products toward modular architectures, modern APIs, and cloud-ready solutions.

We believe software development is about more than writing code. We value quality, maintainability, collaboration, and continuous learning.

AI-assisted development is part of our daily work. Our engineers use tools such as GitHub Copilot, Claude Code, and ChatGPT to support coding, refactoring, debugging, and documentation. We expect you to have experience with these tools or a willingness to learn and use them effectively.

Your responsibilities

Develop and maintain backend services and business logic using C# and .NET

Contribute to the modernization and continuous improvement of our software platform

Design, implement, and maintain REST and GraphQL APIs

Improve existing code, data structures, and technical workflows

Write automated tests and support quality-focused development practices

Participate in code reviews and collaborate with other engineers

Work closely with product managers, QA engineers, and frontend developers

Your profile

Experience developing software with C# and .NET

Good understanding of software design and clean code principles

Experience working with relational databases, ideally Microsoft SQL Server

Experience designing or integrating APIs

Ability to work effectively in an existing codebase

Experience with automated testing

Strong problem-solving and analytical skills

Experience with AI-assisted development tools or willingness to adopt them

Strong German and English communication skills

Helpful Experience

ASP.NET Core

Entity Framework

GraphQL

Azure

Docker

Experience with modularization or modernization projects

Experience with ERP, e-commerce, or enterprise software

Why us?

Remote-first within Germany, with the option to work remotely from eligible countries for up to 180 days per year

Meal allowance of up to €115 net per month

Ergonomic workspace allowance for your home office setup

Regular team events, company-wide gatherings, and summer and Christmas parties to stay connected as a remote-first company

EGYM Wellpass and JobRad subsidy

Financial benefits including capital-forming payments (Vermögenswirksame Leistungen) and a company pension scheme

Wir freuen uns auf Deine Bewerbung!

Eine ausführliche Bewerbung wäre super, aber fürs Erste freuen wir uns auch über:

Deinen Lebenslauf

Deine Gehaltsvorstellungen

Deinen frühsten Starttermin

Du hast noch Fragen?

Dein Ansprechpartner bei JTL:

Steffi Meiritz

jobs@jtl-software.de

Melde Dich gerne bei Steffi, wenn Du noch Fragen zur Stelle oder zum Bewerbungsprozess hast.

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