Principal AI Engineer: Scalable LLMs & Semantic Retrieval

Berg Search; Aveiro; Presencial; EUR 90 000 - 130 000; Tempo integral

Resumo da oferta

Berg Search is recruiting a Principal AI Engineer in Aveiro, Portugal, to lead the AI roadmap and build production-grade capabilities for intelligent discovery and knowledge systems. You will design systems combining LLM-driven retrieval, semantic search, embeddings, and advanced data pipelines, shaping AI as a core business capability.

You’ll mentor engineers, drive technical initiatives, and ensure production quality with cost-efficiency, observability, and strong cross-functional

Qualificações

• 7+ years building and scaling production search or retrieval systems.
• Strong experience designing search architectures, not just operating them.
• Experience evaluating and selecting search technologies.
• Experience with semantic search and embeddings-based retrieval.
• Experience building pipelines on top of frontier LLMs (OpenAI, Gemini).
• Experience leading technical initiatives in mid-sized teams.
• Experience working with cloud-native systems (preferably GCP).

Responsabilidades

• Define and lead the AI roadmap for intelligent discovery and knowledge systems.
• Design and implement production-grade applications powered by frontier LLMs (OpenAI, Gemini, Anthropic, etc.).
• Architect systems that combine LLM-driven retrieval and reasoning, semantic search, embeddings, agentic workflows, and recommendations.
• Evaluate emerging AI technologies and define where they create business value.
• Partner with product and leadership teams to align AI capabilities with strategic goals.
• Build AI-powered retrieval experiences across structured and unstructured data.
• Design semantic indexing and enrichment pipelines using modern embedding models.
• Develop systems that improve relevance, ranking, summarization, and recommendations using AI.
• Implement knowledge extraction workflows leveraging LLMs and automated entity linking.
• Explore graph-based data and contextual retrieval to enhance discovery experiences.
• Architect scalable AI services and data pipelines on Google Cloud Platform (GCP).
• Build reliable, observable, and cost-efficient production systems.
• Develop APIs, orchestration layers, and backend services in Python.
• Work closely with engineering teams to operationalize AI systems safely and effectively.
• Establish best practices for evaluation, monitoring, and continuous improvement of AI applications.

Conhecimentos

Production search systems

Search architecture design

Semantic search & embeddings

Python development

Cloud-native systems (GCP)

Ferramentas

GCP

Python

Descrição da oferta de emprego

Berg Search is recruiting a Principal AI Engineer in Aveiro, Portugal, to lead the AI roadmap and build production-grade capabilities for intelligent discovery and knowledge systems. You will design systems combining LLM-driven retrieval, semantic search, embeddings, and advanced data pipelines, shaping AI as a core business capability.

You’ll mentor engineers, drive technical initiatives, and ensure production quality with cost-efficiency, observability, and strong cross-functional