Senior Software Engineer, AI Search

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Senior Software Engineer, AI Search in Remote

8am
Full time
Email

Remote
10/21/2026
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Czechia

Responsibilities

Translate business problems into AI-powered search and retrieval solutions with product managers and stakeholders.
Design and build hybrid keyword and semantic/vector search systems for large datasets.
Develop retrieval pipelines for RAG and AI-driven applications.
Build scalable document ingestion, indexing, embedding-generation, and search-ranking pipelines.
Partner with the Data team on data collection, enrichment, chunking, and indexing.
Implement AI-powered services combining LLMs with search infrastructure.
Write Python code for data manipulation, search pipelines, and retrieval evaluation.
Develop tools and infrastructure for relevance tuning, search-quality evaluation, and ranking-model improvement.
Deploy and monitor AI search services with the cloud operations team while improving latency, relevance, and reliability.

Requirements

At least 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 with keyword retrieval and vector embeddings.
Strong Python or equivalent modern technology-stack development skills.
Familiarity with document-processing pipelines involving chunking, embeddings, and indexing.
Experience building scalable data infrastructure for production SaaS systems.
Experience working in AWS cloud environments and with modern DevOps practices.
Preferred: experience with Pinecone, Weaviate, Milvus, FAISS, search-ranking and relevance tuning, information retrieval, search relevance engineering, RAG systems, AI agents, LLMs, retrieval-augmented architectures, OCR, structured document extraction, fintech, or the legal industry.

Benefits

Monthly gross salary of CZK 140,000 to CZK 200,000, plus performance bonus opportunities and employee referral rewards.
Flexible Time Off, 13 Czech-calendar public holidays, paid sick leave, statutory health insurance, social security, pension, and work accident coverage.
Maternity, paternity, and parental leave under Czech regulations, plus additional paid paternity leave from 8am.
Hired through an Employer of Record partner in the Czech Republic.
After a 1–6 month integration with U.S.-based teams, the role supports locally led squads in the new Brno hub.
Flexible hybrid work setup with a new Brno office planned and opportunities for in-person collaboration.
Access to Coursera, including the Gen AI Academy, ongoing professional development, career growth paths, company events, potential U.S. travel, wellness programs, and company swag.

8am

8am (formerly AffiniPay) builds a business platform for legal, accounting, and other client-service firms, combining payments, practice management, and client intake. Its portfolio includes LawPay, MyCase, CasePeer, DocketWise, CPACharge, and ClientPay, sold as subscription software and integrate...

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