Senior Software Engineer (m/w/d) - Architecture & Data Processing

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero. At the same time, we operate as an independent provider in the external market to support companies across Europe in their digital transformation. We bundle our core services in the areas of Cloud, Cyber Security, Data & AI, Communication, and Workspace. Join us and contribute to digital sovereignty in Europe. With us, you will work at the intersection of agility and security: You will benefit from fast decision-making processes, enjoy genuine creative freedom in your projects, and be able to build upon the stable foundation of the Schwarz Group. Take advantage of the opportunities to progress your career, working hybrid, 1-2 days/month @ at the Bucharest location. Senior Software Engineer (m/w/d) - Architecture & Data Processing We are looking for a forward-thinking Senior Software Engineer (m/f/d) to build the technological backbone of our Computer Vision Team. You act as the architect behind our systems, ensuring that gigantic amounts of image data are processed highly efficiently. For you, code is not just a means to an end, but the tool to generate real business value. You love to look beyond the IDE, understand the business model, and pour this knowledge into scalable, clean software architectures. If you live Clean Architecture, confidently scale distributed systems, and enjoy collaborating directly with stakeholders on the best solutions, you are our perfect match! The Impact You Will Create Software Architecture & Development: You design and implement future-proof, microservices-based backend architectures according to strict principles of Clean Code and Clean Architecture. Efficient Image Processing: You develop high-performance pipelines for processing large amounts of image data, specifically utilizing techniques for parallelization and asynchronous processing. Databases & Retention: You design efficient database access and develop clever retention strategies for our image and metadata. You ensure the seamless scaling of our databases. API Development: You design and develop fast, reliable REST APIs with FastAPI to optimally connect our services with each other and with external systems. Business & Stakeholder Alignment: You are in regular exchange with customers and internal stakeholders. You develop a deep understanding of our business goals and precisely translate these requirements into our software products. Infrastructure: You package your applications into Docker containers and confidently operate/scale them in our Kubernetes environment. Experience And Skills You Will Need Professional Experience: You are an experienced Software Engineer with profound practical experience in building complex, data-intensive backend systems. Architecture & Quality: You routinely apply "Clean Code" and "Clean Architecture" and have deep experience in designing and scaling microservice architectures. Programming & APIs: Excellent programming skills in Python (especially parallel data processing) as well as absolute confidence in the design and development of interfaces with FastAPI. Database Scaling: You know exactly how to keep relational and non-relational databases performant and scalable under high load. Containers & Orchestration: Confident, practically proven handling of Docker and Kubernetes. Business Acumen & Soft Skills: You possess pronounced communication strength. You enjoy discussing with stakeholders, questioning processes, and transforming business requirements into technical solutions. Nice-to-Have (Optional) C++: Additional knowledge in software development with C++ for particularly performance-critical modules in image processing. Interested? We look forward to receiving your application. Schwarz IT Romania Mihaela Mariana Badan Reference no. 48237 Dimitrie Pompeiu, No 6E, Pipera Business Tower, Bucharest, 077190