AI Engineer (Search & Matching) - fully remote within Germany (m/f/d) Remote
Core
Build the intelligence behind semantic search, resume-based matching, and LLM-driven query understanding for a job search platform.
Role type
Senior Applied AI Engineer (Search & Matching)
Builds
Semantic search, resume matching, LLM pipelines, and recommendation systems for millions of job seekers.
Domain
Job search, Applied AI, Large Language Models (LLMs), Vector Search
Deliverable
production ML models
Required skills
Python, LLM pipelines, retrieval systems, hybrid search, ranking, re-ranking, vector search, embedding models, LLM evaluation, A/B testing, data curation, metric design, latency optimization, cost optimization
Preferred skills
Research paper implementation, open source contributions, A/B test analysis, multi-provider model benchmarking
Technologies
Python, LLMs, Vector Search, Embeddings, RAG, Agentic pipelines
Responsibilities
Design and improve retrieval systems over large real-world corpora; Shape the design of the vector search backbone; Build LLM pipelines for query and resume understanding; Own evaluation as a scientific discipline including benchmark datasets and LLM-as-judge setups; Build interactive prototypes for stakeholders; Partner with engineers to ship winners to production and run A/B tests; Track the fast-moving model and research landscape.
Seniority
Senior, hands-on IC
