AI Engineer — Core AI 🇪🇺
Core
Build the shared AI foundations (agent harness, evaluation stack, model serving) for Pennylane's solution squads to serve French SMEs and accounting firms.
Role type
Senior IC AI Engineer (Agentic Systems & Infrastructure)
Builds
Agentic intelligence runtime, evaluation pipelines, and small model serving infrastructure
Domain
Fintech / Accounting Software / AI Infrastructure
Deliverable
production ML models | product features | infrastructure
Required skills
Python, LLM and agentic systems at scale, evaluation design (golden datasets, LLM-as-judge), RAG, model fine-tuning (SFT/DPO/RL), model serving, vector databases
Preferred skills
Prompt engineering, cross-team collaboration, business-led prioritization
Technologies
Python, agentic frameworks, AWS, MCP, open-source LLMs
Responsibilities
Build and maintain the agent harness runtime; own the evaluation stack and track agent performance; perform prompt and behavior engineering; host and improve small models for performance and sovereignty
Seniority
Senior, hands-on IC