Zartis - Senior Software Engineer Solr

• Together with your experienced colleagues, you will design, plan and develop customer-centric and value-creating new features for the Search Engine product area of ​​our client e-commerce & multichannel platform. • Within an agile environment, you and your team will take responsibility for the entire development process, from architectural design and continuous deployments to maintenance, coordinating with neighboring teams along the way. • You actively take ownership of your code, drive technical decisions in coordination with stakeholders, and choose appropriate testing, quality, and performance standards. • You actively take ownership of your services and infrastructure, drive technical decisions in coordination with technical stakeholders such as platform teams, and define quality and performance standards depending on the development stage of the product (e.g., PoC, MVP, scalable product). • With your experience, you estimate and evaluate the effort required for complex features, taking into account technical requirements and business impact – always keeping the balance between technical excellence and economic added value in mind. • You proactively participate in building knowledge about search technologies within the team and generally support team members in their technical development. • You have extensive experience and in-depth knowledge of developing high-performance, flexible search solutions in agile environments using Apache Solr, Querqy, and related technologies. Alternatively, you have relevant experience with a comparable technology (e.g., Elasticsearch, Opensearch) and are eager to learn our Solr-based stack. • You have already gained experience in implementing vector-based search systems in this field and are proficient in using language models to interpret search queries. Hybrid search approaches are also part of your repertoire. • You have very good knowledge of at least one object-oriented or functional programming language – preferably Java or Kotlin – or you are keen to learn our predominantly JVM-based tech stack. • You have experience working with modern web frameworks (e.g., Spring Boot, Rails, Laravel) • You already have experience with MongoDB and/or other NoSQL databases, AWS and Docker container technologies, and you also enjoy infrastructure work. • Your excellent communication and problem-solving skills make you a valuable team player, and you enjoy mentoring or coaching your teammates. • You are curious about new technologies, like to venture into unfamiliar territory, and quickly familiarize yourself with new topics. • You have good both English and German skills, i.e. at least at language level B2.