CareerPlan

Senior AI Evals Engineer (AI Quality & Safety) - Libra-Legal AI Assistant (m/w/d)

DEU - Berlin, DEFull-time2026-11-05 → 2026-11-11
Hybrid

Core

Build and own the eval platform (datasets, judges, harnesses) for a legal AI assistant to measure quality and automate optimization against targets.

Role type

Senior IC AI Evals Engineer (Quality & Safety)

Builds

Self-service eval platform, automated optimization loops, guardrails for legal AI

Domain

Legal technology + Generative AI

Deliverable

production ML models

Required skills

Python, FastAPI, LLM evaluation design, LLM-as-judge, automated optimization (GEPA/DSPy), data privacy, system architecture

Preferred skills

Data science toolkit (embedding clustering), legal domain expertise, AI coding agents

Technologies

Python, FastAPI, Langfuse, GEPA, DSPy

Responsibilities

Build self-service eval platform; Map quality landscape per task/jurisdiction; Design rubrics and LLM-as-judge criteria; Deep-dive results to automate fixes; Unhobble optimizer for automated search; Optimize cost-per-quality; Design and red-team guardrails

Seniority

Senior, hands-on IC