Senior Software Engineer, AI Search v Česko

It's a new day with a new opportunity at 8am! About the role: 8am is looking for a Senior Engineer to join our team of seasoned AI engineers who are delivering on the roadmap of AI features to enhance and expand our 8am suite of products. In this role, you will design and build AI-powered features that delight our customers, create new capabilities, and strengthen our platform. You will collaborate with engineers, product managers, and data scientists to bring cutting-edge AI into production, ensuring it drives meaningful business and customer outcomes. This role is hired through an Employer of Record (EOR) partner in the Czech Republic. About us: 8am builds software that helps professionals run stronger businesses. Our platform powers payments, client experience, and operational workflows for legal, accounting, and other service-based businesses. U. S. based professionals count on our purpose-built solutions to simplify operations, ensure compliance, and fuel profitable growth, so they can focus on their clients and do more of the work that matters. More than 250,000 professionals across the U. S. rely on our products every day. As we continue to grow, we’re investing in the next generation of our platform and are looking for experienced engineers who want to help shape its future. What you'll do: - Collaborate with product managers and stakeholders to translate business problems into AI-powered search and retrieval solutions. - Design and build hybrid search systems combining keyword search (BM25) and semantic/vector search to power intelligent discovery across large datasets. - Develop and optimize retrieval pipelines used in RAG (Retrieval Augmented Generation) and AI-driven applications. - 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 for retrieval systems. - Design and implement AI-powered services that combine LLMs with search infrastructure.

- Write high-quality Python code to manipulate data, build search pipelines, and evaluate retrieval performance. - Develop tools and infrastructure to support relevance tuning, search quality evaluation, and continuous improvement of ranking models. - Work with our cloud operations team to deploy AI search services, monitor performance, and improve latency, relevance, and reliability About you: - 5+ years of professional software engineering experience, ideally in backend systems, or search infrastructure . - 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) . - Experience building scalable data infrastructure into production SaaS systems. - Experience working in AWS cloud environments and modern DevOps practices. Nice to have (Preferred): - Experience with vector databases (Pinecone, Weaviate, Milvus, FAISS). - Experience tuning search ranking and relevance models. - Background in information retrieval or search relevance engineering. - Experience building RAG systems or AI agents. - Experience working with LLMs and retrieval-augmented architectures. - Familiarity with large-scale document processing (OCR, structured document extraction). - Exposure to fintech or the legal industry. Additional Information: The monthly gross salary range for this position is CZK 140,000 to CZK 200,000. 8am is committed to fair, objective, and non-discriminatory compensation, and actual pay may vary based on job-related knowledge, skills, experience, and education. Why join our new 8am Czech Republic hub?