Senior Member of Technical Staff Web Data

Toronto-founded enterprise AI company building foundation models, agentic AI, enterprise search, and private deployment products.

Toronto, Canada
About Cohere

Cohere provides enterprise-focused AI models and end-to-end products, including North for agentic workplace AI, Compass for enterprise search, and models for generation and retrieval. It supports private, VPC, and on-premises deployment options.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will develop and maintain large-scale web-data pipelines for pretraining. You will extract, parse, deduplicate, filter, and score web documents; analyze dataset composition and quality; assess downstream model impact; and work with research, data, and evaluation colleagues to improve training corpora.

Requirements

  • Software engineering proficiency in Python
  • Experience building data pipelines
  • Familiarity with Apache Spark, Apache Beam, Pandas, or similar data-processing tools
  • Experience working with large-scale web datasets
  • Knowledge of data-quality assessment and experimentation with data mixtures

Responsibilities

  • Maintain large-scale web-corpora processing pipelines
  • Build filtering and quality-scoring systems for web documents
  • Analyze web-data composition across domains, languages, and time periods
  • Develop and maintain deduplication pipelines
  • Collaborate with researchers and engineers to meet language-model data requirements

Benefits

  • Equity
  • Weekly lunch stipend of $75/£75 or equivalent local currency
  • Health and dental benefits
  • Mental health budget
  • RRSP matching, 401K, and pension scheme
  • Parental leave top-up for up to 6 months
  • Arts, culture, fitness, wellness, quality-time, and workspace-improvement benefits
  • Education and learning stipend
  • 6 weeks of paid vacation
  • Remote travel budget and annual company offsite
  • Co-working benefit
  • $500 home office stipend