Staff AI Engineer - AI Infrastructure & Agentic Platform

Stack

Responsibilities

• ▹Evolve the AI knowledge platform, taking the retrieval, indexing, and synthesis layer (currently semantic RAG + re-ranking + HyDE) to an organization-wide platform serving both internal engineering tools and customer-facing capabilities
• ▹Architect and operate agentic infrastructure on AWS: multi-step, tool-using AI systems that plan, retrieve, and act on complex queries and operational events, with cost guardrails and observability built in
• ▹Design and build graph-based, relationship-aware retrieval across the organization's data sources, enabling multi-hop queries and letting agents accumulate organizational knowledge over time
• ▹Partner with product engineering to define the AI platform API surface, translating infrastructure primitives into developer-ready abstractions
• ▹Build reference agent implementations on the platform, such as operational-incident triage

Requirements

• ▹Must be located in Poland (Warsaw Metropolitan Area preferred)

What we offer

• ▹Monthly gross remuneration of PLN 29,600-32,000 under an employment contract (CoE/umowa o pracę), based on experience and skill level
• ▹Choice between remote work or working from the Warsaw office

About the company

ShiftKey is a platform disrupting the way healthcare facilities find licensed and certified professionals to fill available shifts. Leveraging marketplace dynamics and deep industry knowledge, it plays a role in mitigating America's healthcare staffing shortages by enabling direct connections between facilities and healthcare professionals.