[Hiring] Senior Fullstack Engineer @JTL-Software GmbH

Role Description

Your mission is to support our customers in processing thousands of orders every day with our Warehouse Management System (WMS). You will work across different technologies and application layers:

• Develop and evolve our WMS as a Fullstack Software Engineer across frontend, desktop, and backend applications.
• Help shape the step-by-step modernization of the WMS monolith and contribute to sustainable technology and architecture decisions.
• Develop modern web applications and user interfaces using React and TypeScript.
• Develop and modernize desktop applications based on WPF.
• Develop backend components, services, and APIs using C# and .NET.
• Contribute to the gradual decoupling of the WMS from the ERP system and develop the interfaces for future communication between both systems.

Qualifications

• Several years of experience as a Software Engineer with a strong Fullstack development background.
• Very good knowledge of C# and the .NET ecosystem (.NET 10+).
• Strong experience developing modern web applications with React and TypeScript.
• Solid experience in desktop application development with WPF.
• Experience developing and integrating APIs, particularly REST and GraphQL.
• Experience working with relational databases, particularly Microsoft SQL Server.
• Experience modernizing mature software landscapes, for example through modularization, API-based integration, and incremental migration.
• A strong focus on quality, automated testing, maintainability, and operating your own services (“You build it, you run it”).
• Experience with AI-assisted software development, or a willingness to actively use modern AI tools in your daily development work.
• Fluent in English and have a very good command of German, both written and spoken.

Benefits

• 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.
• Support for setting up an ergonomic home office.
• Regular team events, company-wide gatherings, and summer and Christmas celebrations.
• EGYM Wellpass and JobRad subsidy.
• Employee savings benefits and company pension scheme.

Company Description

JTL is one of the leading providers of e-commerce software in the German-speaking region – with around 450 employees across the group and 50,000 customers from 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.