Senior Software Engineer, AI Search

📋 Description

• Collaborate with product managers and stakeholders to translate business problems into AI-powered
• Design and build hybrid search systems combining keyword search (BM25) and semantic/vector search
• Develop and optimize retrieval pipelines used in RAG (Retrieval Augmented Generation) and AI-driven
• Build scalable pipelines for document ingestion, indexing, embedding generation, and search ranking.
• Partner with the Data team to ensure the right data is collected, enriched, chunked, and indexed
• Design and implement AI-powered services that combine LLMs with search infrastructure.

🎯 Requirements

• 5+ years of professional software engineering experience, ideally in backend systems, or search
• Experience building search or retrieval systems for large document stores.
• Hands-on experience with Elasticsearch, OpenSearch, Solr, or similar search platforms.
• Experience implementing hybrid search combining keyword-based retrieval with vector embeddings.
• Strong Python or equivalent modern tech stack development skills.
• Familiarity with document processing pipelines (chunking, embeddings, indexing).

🎁 Benefits

• Performance bonus opportunities and employee referral rewards
• Flexible Time Off (FTO) and 13 paid public holidays aligned with the Czech calendar
• Paid sick leave with additional support through the Czech social security system
• Maternity, paternity, and parental leave in line with Czech regulations, plus additional paid
• Full statutory benefits, including public health insurance, social security, pension, and work
• Access to Coursera (including Gen AI Academy) and ongoing professional development