Senior Backend Engineer - PHP (f/m/d)

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. You'll work on the integrations that connect leading e-commerce marketplaces like Amazon and eBay to our ERP system, JTL-Wawi. You'll build new features, modernize existing structures, and help plan and develop connections to new marketplaces with your team. Your responsibilities Build and evolve mainly the backend — and occasionally the frontend — in native PHP and Symfony Develop and continually rework the processes that handle and deliver large volumes of data Design forward-looking architectures and solutions based on stakeholder requirements Ensure quality through unit testing and code reviews Shape our products and features around what's best for customers , and assist the Support team on customer systems when they need technical help Your profile You have excellent skills in object-oriented PHP You're experienced in processing large volumes of data with MySQL and/or MongoDB You know your way around APIs, including documenting them with the OpenAPI Spec Unit and/or integration tests are part of your everyday work, and you're very confident with Git You bring a high quality standard and a goal-oriented approach, work independently, and coordinate well within a team You get into complex topics quickly and enjoy tricky challenges, high traffic, and billions of records Nice to have Experience in, or strong interest in, the e-commerce industry Experience with Symfony Experience developing open source projects Experience working in an agile team 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 About us 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. Fairness and respect are part of our everyday practice. Are you committed, curious, and eager to work in a team while taking on responsibility? Are you looking for a job where Monday isn’t the worst day of the week? Then we look forward to receiving your application!