Build quality-focused NLP pipelines for LawZero’s Scientist AI in Montreal, using Python, model scoring, and high-throughput distributed processing. Work on web-scale data.This senior developer role sits between data curation, engineering, and machine learning. You will transform raw text into training datasets through algorithmic filtering, toxicity removal, privacy scrubbing, benchmark protection, and novel data transformations.

Responsibilities may be distributed according to individual experience, skills, and interests while collaborating with Research and other teams.Key Responsibilities:

Design algorithmic filtering and model-based scoring mechanicsRefine classifiers, evaluators, heuristics,



and review workflowsProtect datasets through leakage detection and compliance controlsOptimize processing throughput, cost, versioning, and provenanceTranslate data requirements into targeted acquisition strategiesRequirements:

Five-plus years in data processing, machine learning, or NLPExperience handling trillion-token unstructured text datasetsHands-on Spark, Ray, or Flink pipeline optimizationExperience with PII, toxicity, bias, and contamination preventionStrong Python and cross-functional collaboration experienceApply your NLP, data curation, and pipeline engineering skills to rigorous Scientist AI training data at LawZero.

📌 Senior Nlp Data Pipeline Developer (Winnipeg)
🏢 LoiZéro
📍 Winnipeg