Senior Full-Stack Engineer

Your tasks – this is what awaits you in detail You handle complex technical dependencies independently to ensure smooth integration and minimal conflicts across our entire system landscapeYou drive performance optimization continuously by identifying and addressing bottlenecks across our entire application landscapeYou develop and maintain complex web applications autonomously using our core technologies, PHP, Vue.js and Node.jsYou manage system monitoring, including the integration of tools like Datadog, to ensure the high performance and reliability of our systemsYou design, develop, and deploy scalable, maintainable, and efficient microservices to support our long-term architectureYou provide expert technical guidance and mentorship to cross-functional teams, acting as a key consultant within your area of expertise Your profile – this is what we expect from you You possess strong hands-on expertise in Vue.js and TypeScript (Frontend track) AND/OR modern PHP (Backend track, preferably Symfony), with comfortable full-stack awareness across both sidesYou demonstrate operational excellence through your knowledge of modern testing, debugging, monitoring, and deployment techniquesYou use your adaptive technical thinking to build responsive applications across various API paradigms while maintaining a solid understanding of infrastructureYou are a proactive communicator who takes ownership, challenges inefficient processes, and thrives in an international environmentYou are fluent in English (C1) and enjoy working in an international environment What we offer Create your own work-life balance: You have the flexibility to choose between working remotely (within Germany) or from one of our locations in Cologne, Darmstadt, Düsseldorf, or in Berlin!Urban Sports Club and RSG Group Fitness Studios: Get top deals for fitness, swimming, yoga and moreMental Well-Being: We support you on your well-being journey with special offerings such as Instahelp, the digital platform for online psychological counselingVacation & Sabbatical: Enjoy 30 days of vacation per year and the opportunity to take a sabbatical once you have been part of the team for a certain period!Option for Pluxee restaurant vouchers: Buy Pluxee vouchers through us and benefit from tax-advantaged meal allowances!‘Deutschlandticket’: We subsidize your train season ticket for more mobilityEmployee Discount: You will receive a monthly coupon for Kaufland.deFree choice of hardware: Mac or Lenovo, it’s up to youBoost your growth: Benefit from our online language learning programs, diverse in-house training, and our automated 360-degree feedbackThis is who we are: Our dynamic culture combines flat hierarchies, a start-up mentality, an international team of over 65 nationalities, and the strength of the Schwarz Group to provide you an agile and secure working environment.We are team players: From day one, you will connect not only with your team but also with others through our digital onboarding journey, the buddy program, and regular team and company events, all-hands meetings, powerful mornings, and much more! Check out our Principles & our blog for even more insights into our company culture! Who we are We are the tech powerhouse behind Kaufland’s international online marketplaces and a company within the Schwarz Group. Driven by a start-up mentality and working on an equal footing within flat hierarchies, we develop the best marketplace solutions for our customers, sellers and partners. #FromEuropeForEurope Day by day, our Tech & Product Team of about 400 experts pursues the goal of creating the best possible customer shopping experience for our online marketplace. Through innovative technical developments, they not only create an outstanding shopping experience but also lay the foundation for an optimal selling experience for our sellers. Learn more about our division, areas, and cross-functional teams here!