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Senior Member of Technical Staff, Synthetic Data

CohereTorontoModeling
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Salary
$250K - $535K CAD
Job type
Full-time
Work mode
Remote
Posted
26 Nov 2025
Status
Open · checked 9d ago

About this role

The Senior Member of Technical Staff for Synthetic Data at Cohere is a full-time remote or office-based role in Toronto focused on developing critical data pipelines for advanced language models. This position suits an experienced software and machine learning professional eager to bridge research and engineering to enhance enterprise AI capabilities.

Role Overview

As a Senior Machine Learning Engineer specializing in synthetic data, the professional hired for this position will take charge of the end-to-end synthetic data lifecycle. The individual will manage, maintain, and optimize data pipelines while performing data analysis, generation, ablations, and model evaluations to determine data quality. Working closely with diverse web and code data, the role utilizes generative models to improve token efficiency and overall model performance. Operating between ET and CET time zones, this position supports Cohere's mission to deliver reliable and efficient natural language understanding.

Key Responsibilities

Design and build scalable inference pipelines capable of operating on massive GPU clusters.
Conduct rigorous data ablations to evaluate data quality and experiment with distinct data mixtures to boost model performance.
Research, create, and implement innovative synthetic data curation methods using Cohere's robust infrastructure.
Partner collaboratively with cross-functional researchers and engineers to satisfy the demands of cutting-edge language models.

Requirements

Strong software engineering abilities with proficiency in Python and hands-on experience building data pipelines.
Familiarity with data processing frameworks such as Apache Spark, Apache Beam, or Pandas.
Practical experience interacting with large language models via work projects, open-source contributions, or personal experimentation.
Working knowledge of LLM inference frameworks including vLLM and TensorRT.
Experience handling large-scale datasets such as web data, code data, and multilingual corpora.
Passion for combining research and engineering to solve complex AI training challenges.

Nice to Have

Published papers at top-tier venues like NeurIPS, ICML, ICLR, AIStats, MLSys, JMLR, AAAI, Nature, COLING, ACL, or EMNLP.

Skills and Tools

Python
Apache Spark
Large Language Models (LLMs)
Apache Beam
Pandas
vLLM
TensorRT

Salary and Benefits

Annual salary range between $250,000 and $535,000 CAD.
Weekly lunch stipend of $75 or equivalent local currency.
Comprehensive health and dental coverage alongside a dedicated mental health budget.
Retirement plans including RRSP matching, 401K, and pension schemes.
Fully paid parental leave top-up for up to 6 months for either parent.
Annual enrichment benefits covering arts, culture, fitness, wellness, and workspace improvements.
Education and learning stipend designated for conferences, courses, and professional coaching.
30 working days (6 weeks) of paid vacation.
Travel budget for visiting other company offices alongside an annual company offsite.
Home office setup stipend of $500 plus a co-working benefit for remote employees.

About the Company

Cohere is a leading security-first enterprise AI company that builds cutting-edge foundation models and end-to-end products designed to solve real-world problems. Operating globally with headquarters in Toronto and key international offices, the company fosters a passionate team of researchers, engineers, and designers dedicated to driving widespread AI adoption.

How to Apply

Interested candidates should submit their application directly on the official Cohere careers page.

Skills and tech stack

Questions candidates ask

Is the Senior Member of Technical Staff position remote?

Yes, this role is remote-friendly and can also be based out of company office locations. The team operates primarily between ET and CET time zones, so alignment with these hours is required.

What is the salary range for this role?

The salary ranges from $250,000 to $535,000 CAD per year.

What technical skills are required?

Applicants need strong software engineering skills with proficiency in Python, experience building data pipelines, familiarity with data processing frameworks like Apache Spark or Pandas, and hands-on experience with LLMs.

What perks and benefits are provided?

Full-time employees receive health and dental benefits, retirement plans, a weekly lunch stipend, 6 weeks of paid vacation, parental leave top-ups, a home office stipend, and education and learning stipends.

How should I apply for this position?

Candidates should apply directly on the official Cohere careers page.

Ready to apply?

The application is on the official Cohere careers page.

Apply on company site