About the Position

AI Engineer

We are seeking an AI Engineer with expertise in LLMs and BigQuery to join our team in Warszawa, Poland.

Responsibilities

Designing, developing, and maintaining AI/LLM-based solutions and "Chat with Data" systems.
Creating and developing applications using language models and integrating them with corporate data.
Designing and developing data processing and data pipeline processes in Data Lake and Data Warehouse environments.
Implementing and optimizing solutions in the Google Cloud Platform ecosystem, with a focus on BigQuery.
Collaborating on designing data models and preparing solutions that meet business needs.
Optimizing the performance of processes and SQL queries, ensuring data quality and security.
Participating in the analysis, design, testing, and implementation of new solutions.
Solving production problems and supporting the maintenance of implemented systems.
Working according to the DevSecOps approach and adhering to security and quality standards.

Knowledge of tools and frameworks for building services using LLMs, such as langchain4j and google-adk.
Knowledge of Google BigQuery (modeling, cost and performance optimization, permissions, views, routines).
Very good knowledge of Java and/or Python.
Experience in building and maintaining data pipelines.
Knowledge of DevSecOps patterns.

Knowledge of semantic/metrics layer solutions - semantic layer, caching, preaggregations, metrics governance.
Experience in building LLM/GenAI solutions for corporate data (chat with data, Q&A).
Practical knowledge of NL2SQL approaches (translating natural language to SQL) and risk mitigation (hallucinations, incorrect joins, redundant scans).
Experience in building RAG: embeddings, chunking, re-ranking, quality evaluation of responses.
Vector databases (e.g., Pinecone / Weaviate / Milvus) and/or graph databases (e.g., Neo4j).
Evaluation of GenAI systems: evals (offline/online), A/B testing of prompts.
Knowledge of Rust.
Experience working with Kubernetes.
GCP: Cloud Run, Pub/Sub.
Experience working in a regulated environment (banking): audit, compliance, data classification.

Competitive salary: 21600-24800 PLN per month.
Opportunity for long-term cooperation.
Possibility of purchasing a benefits package (medical care, multisport card, life insurance, cafeteria system).

Devire

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Location: Warszawa, Polska

Employment Type: Full-time

Date Posted: 2026-06-27

Valid Until: 14 days from now