Data Annotation Specialist, Generalist
Calgary, AB +7Cohere: Cohere is the leading security-first enterprise AI company.
1+ YOECohere needs candidates with at least one year of AI data annotation, LLM evaluation, content moderation, research or a similar analytical role. Candidates need excellent written English, strong attention to detail and comfort with JSON, CSV, Markdown and annotation platforms.
annotation platforms, JSON, CSV, TSV, Markdown, XML
Senior Member of Technical Staff, Web Data
Toronto, ONCohere: Cohere is the leading security-first enterprise AI company.
Cohere needs strong Python software engineering skills and experience building data pipelines. Candidates should know data processing frameworks such as Apache Spark, Apache Beam or Pandas, and have worked with large-scale web datasets. Knowledge of data quality assessment and data mixtures is also needed.
Python, Apache Spark, Apache Beam, Pandas
Senior Member of Technical Staff, Safety and Security for Agents
Toronto, ON +1Cohere: Cohere is the leading security-first enterprise AI company.
Candidates need strong statistical skills, extremely strong software engineering skills, and hands-on experience training LLMs on distributed infrastructure. Experience with human annotation, dataset quality analysis, Python and ML frameworks, plus top-tier publications, is expected.
Python, PyTorch, TensorFlow, JAX
Business Operations Lead
Toronto, ONCohere: Cohere is the leading security-first enterprise AI company.
2+ YOECohere needs 3-4 years of top-tier investment banking or investing experience, or 2-3 years of top-tier consulting experience, ideally in software or technology. Candidates should have some technical background, be clear communicators, and show high ownership and problem-solving skills.
Decision making
Senior Member of Technical Staff, Synthetic Data
Toronto, ON +1Cohere: Cohere is the leading security-first enterprise AI company.
Candidates need strong Python and data pipeline engineering skills, experience with data processing frameworks, and hands-on work with LLMs and large datasets. Familiarity with LLM inference frameworks such as vLLM and TensorRT is also expected.
Python, Apache Spark, Apache Beam, Pandas, vLLM, TensorRT
Senior Security Engineer
Toronto, ON +1Cohere: Cohere is the leading security-first enterprise AI company.
5+ YOECandidates need 5+ years in application or product security or security operations, with deep knowledge of common vulnerabilities, cloud and network security, and secure engineering. They must be hands-on, comfortable with ambiguity, and able to explain security problems to technical and non-technical audiences.
SAST tools, DAST tools
Senior Research Scientist, Model Evaluation
Toronto, ONCohere: Cohere is the leading security-first enterprise AI company.
Candidates need experience rapidly prototyping LLM capabilities and reviewing complex data and model outputs for quality. They must rigorously measure AI capabilities and have strong software engineering skills.
Research
Member of Technical Staff, Pre-Training Data
Toronto, ON +1Cohere: Cohere is the leading security-first enterprise AI company.
Candidates need strong Python and data pipeline engineering skills, familiarity with data mixing and data processing frameworks, and experience with large-scale web, code and multilingual datasets. A research-oriented mindset bridging research and engineering is valued.
Python, Apache Spark, Apache Beam, Pandas
Member of Technical Staff, Data Analysis and Evaluation
Toronto, ON +1Cohere: Cohere is the leading security-first enterprise AI company.
Cohere needs candidates with extremely strong software engineering skills, statistical expertise in evaluating experiments, and experience designing data collection with human annotators. Candidates also need hands-on LLM training on distributed infrastructure, proficiency in Python and ML frameworks, and strong communication skills. One or more papers at top-tier venues are listed as a qualification.
Python, PyTorch, TensorFlow, JAX