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Senior AI Engineer (LLM, Data)
Summary by AIEngineer.careers
Senior AI Engineer (LLM, Data) is a AI Engineer role (full-time). with Vecten. in WARSZAWA, PL. Imported listing (source: careerholo.com). Apply on the employer's site (careerholo.com).
Imported listing (source: careerholo.com) · Apply on careerholo.com
WARSZAWA · PL
—
Full-time
SENIOR
The sections below reproduce the third-party job description for reference. AIEngineer.careers does not write or control this text.
Imported job description
Sourced from careerholo.com
Vecten is seeking a Senior AI Engineer to build LLM-powered applications for a Fortune 500 private equity client. You will design and ship production systems including RAG pipelines, MCP servers, and semantic search on vector databases. The role involves integrating LLM providers, building secure APIs, and working with Snowflake data. This is a hybrid position based in Warsaw, Poland.
Responsibilities
- Design and ship LLM-powered applications: prompt pipelines, RAG, retrieval, evaluation.
- Deliver MCP servers that expose data and services to AI agents and applications.
- Implement security and authentication layers: enterprise authentication, custom IdP integrations, OAuth/OIDC flows.
- Consume external APIs and wrap them into services – web services, traditional APIs, or basic UIs.
- Integrate LLM providers (OpenAI and others) into client systems.
- Build semantic search and retrieval on vector databases (Pinecone).
- Query, process, and analyze data in Snowflake using SQL and Python.
- Contribute to data pipelines when needed.
- Document design decisions before implementation.
Requirements
- 5+ years of professional engineering experience.
Vecten
Warsaw · PL · 20+ employees
Vecten is an AI-native data and technology consultancy serving private-capital and healthcare organizations. It builds proprietary data infrastructure, production AI systems, ML models, LLM workflows, agentic systems, and modernized legacy platforms.
