Cohere · 1 week ago
Member of Technical Staff, Data Analysis and Evaluation
San Francisco, CA
Full-time
Hybrid
Mid, Senior LevelCohere is a company dedicated to scaling intelligence to serve humanity through advanced AI systems. In this role, you will ensure the quality and performance of large language models by designing data collection tasks and collaborating with cross-functional teams to improve model effectiveness.
Artificial Intelligence (AI)Foundational AIGenerative AIMachine LearningNatural Language Processing
Responsibilities
Design and oversee data collection tasks, including supporting human annotators and ensuring data quality
Develop and apply statistical methods to evaluate the quality and reliability of datasets
Analyse and assess the generalisability and robustness of ML systems across diverse use cases
Collaborate with teams to improve dataset quality and model performance
Train and fine-tune large language models (LLMs) on distributed training infrastructures
Conduct experiments to evaluate model performance and identify areas for improvement
Qualification
Required
Extremely strong software engineering skills
Strong expertise in designing and conducting data collection tasks, including working with human annotators
Strong statistical skills and experience evaluating scientific experiments related to data collection and model performance
Experience analysing datasets with respect to their quality, biases, and suitability for training ML models
Hands-on experience training large language models (LLMs) on distributed training infrastructures
Familiarity with evaluating and improving the generalisability and robustness of ML systems
Proficiency in programming languages such as Python and ML frameworks (e.g., PyTorch, TensorFlow, JAX)
Excellent communication skills to collaborate effectively with cross-functional teams and present findings
One or more papers at top-tier venues (such as NeurIPS, ICML, ICLR, AIStats, MLSys, JMLR, AAAI, Nature, COLING, ACL, EMNLP)
Benefits
An open and inclusive culture and work environment
Work closely with a team on the cutting edge of AI research
Weekly lunch stipend, in-office lunches & snacks
Full health and dental benefits, including a separate budget to take care of your mental health
100% Parental Leave top-up for up to 6 months
Personal enrichment benefits towards arts and culture, fitness and well-being, quality time, and workspace improvement
Remote-flexible, offices in Toronto, New York, San Francisco, London and Paris, as well as a co-working stipend
6 weeks of vacation (30 working days!)
Company
Cohere
Cohere is an enterprise AI firm developing secure and private AI technology to address real-world business challenges.
Founded in 2019
201-500 employees
H1B Sponsorship
Cohere has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (11)
2024 (14)
2023 (13)
2022 (5)
2021 (2)
Funding
Current Stage
Late StageTotal Funding
$1.71BKey Investors
Government of CanadaTiger Global ManagementIndex Ventures
2025-09-24Series D· $100M
2025-08-14Series D· $500M
2025-06-17Secondary Market
Leadership Team
Aidan Gomez
cofounder + ceo
Ivan Zhang
Co-Founder
Recent News
Beyond Bylines
2026-01-11
2026-01-06
Crunchbase News
2026-01-06
Company data provided by crunchbase