Our mission We are on a mission to save our planet - one second hand product at a time. We are looking for an enthusiastic and communicative Python Backend Engineer (Mid or Senior Level) to join our Marketplaces & Core Systems team in a hybrid work model in our Berlin headquarters. This team is at the heart of connecting millions of customers to the products they need, ensuring seamless order processing and inventory management across marketplaces like Amazon, eBay, and our own shops medimops and momoxfashion. With over 4 million listings, 50 million daily updates, and tens of thousands daily orders we are tackling exciting technical challenges to keep operations running smoothly. Your mission Design and develop scalable services to replace legacy components of our Django monolith Implement DDD and hexagonal architecture principles to create robust and maintainable systems Develop and optimize interfaces (REST and Google PubSub) for efficient communication between services Collaborate across teams to ensure smooth integration and alignment with business goals Identify technical debt, and implement strategies to modernize our infrastructure and codebase Take ownership of your work, engage in agile ceremonies, and share your expertise within the team and company Have a direct impact on a sustainable and financially stable company Our Tech Stack Python, Django, FastAPI Google PubSub, Kubernetes, Compute Engine, Cloud Functions MySQL, PostgreSQL Rocky9 Linux GitLab, CI/CD, Helm, ArgoCD TDD, DDD, Kanban Your profile Several years of experience with Python, ideally using Django or FastAPI in a working environment Proven experience with distributed systems and cloud technologies, preferably on Google Cloud Platform Understanding of best practices around real-time messaging (e.g., Google PubSub) and REST APIs Proficiency in Linux/Unix environments Passion for testing, clean architecture, and clean code Experience with modernizing legacy systems and reducing technical debt Fluent in English and excellent communication skills for discussions and code reviews Please note: We can only accept applications with a valid work permit. You can look forward to Flexible working hours We work according to a hybrid model that offers you maximum flexibility while also fostering important personal connections. Whether in our centrally located office or working remotely - you and your team decide together where and when you want to work. You can arrange your working hours flexibly. For personal interaction, your team meets at least 20 days per quarter in the office, as our team days are held in person. Individual work environment Design your ergonomic workspace just the way you like it – with height-adjustable desks and the laptop of your choice (MacBook or ThinkPad). If things get a bit noisy in the office, your Bose noise-cancelling headphones ensure uninterrupted focus. If needed, we can also provide you with an ergonomic chair or additional monitors for your home office. Open work environment We work together in a bright, open-plan office where even the few existing doors are always open. Our teams are motivated and open to new ideas. Bring your creativity to the table and make things happen If you need a moment of peace, you can retreat to a cozy corner of the medimops library in the break room, or recharge with a game of foosball, table tennis, or PlayStation. Sustainability We love second-hand and incorporate our sustainable business idea into the office routine with simple methods like using eco-friendly supplies, double-sided printing, energy-saving modes on devices, waste separation, etc. In doing so, we take responsibility and integrate sustainability into all our activities. Training momox is only as good as you. That's why you will find room and budget for your individual professional development with language classes, internal training, conferences, (online) courses and more. Sport and fitness offers During the week, you have the opportunity to take part in various sports activities. Whether it's online training, massages, or stretching at your desk – there's something for everyone. You can also get a discounted membership for Urban Sports Club or Wellhub. Apply now LI-DNI We value diverse teams for many reasons and are happy to welcome you, no matter your nationality, ethnicity, gender, religion, disability, age or sexual orientation. What matters to us is that you are passionate, talented, willing to learn and want to grow with us. Do you have questions? Feel free to reach out Tina Schimek (she/her) Senior Recruiter and DE&I Partner recruitmentmomox.biz www.momox.biz Get to know us