Machine Learning Intern/Co-op (Fall, 2026)

Cohere; United States; Hybrid; USD 34,440,000 - 48,216,000; Full time

Benefits offered by this job

Weekly lunch stipend

Health and dental benefits

RRSP matching/401K

Parental leave + enrichment

6 weeks paid vacation

Office stipend for remote work

Job summary

Cohere is seeking a Machine Learning Intern to design and train frontier models, build training and deployment pipelines, and work with product teams. You will learn from senior ML staff, explore new techniques for safe and efficient training, and contribute to large-scale projects on time-limited terms.

To be eligible, you must be enrolled in a post-secondary program and available for a full-time 3–6 month internship, co-op, or research work term. We value curiosity and collaboration.

Qualifications

• Proficiency in Python and ML frameworks (TensorFlow, TF-Serving, JAX, XLA/MLIR).
• Experience with large-scale distributed training strategies.
• Familiarity with autoregressive sequence models (Transformers).
• Strong communication and problem-solving skills.
• Passion for applied NLP models and products.
• Bonus: CUDA kernel experience; TPU training experience; relevant papers.

Responsibilities

• Design, train and improve cutting-edge models.
• Develop techniques to train and serve models safely, faster.
• Train very large-scale models on massive datasets.
• Explore continual and active learning for streaming data.
• Collaborate with senior ML staff and product teams.

Skills

Python

ML frameworks (Tensorflow, TF-Serving,

JAX

XLA/MLIR

distributed training

Transformers

NLP enthusiasm

communication

Education

Post-secondary student (internship)

Tools

CUDA

TPU

Job description

Who are we?

Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.

We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that.

We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft.

We are a global technology company co-headquartered in Toronto and San Francisco, with key offices in London, New York City, Montreal, Seoul, Germany and Paris. Join us!

Why this role?

Ship state of the art models to production.

Design and implement novel research ideas.

Build elegant training/deployment pipelines.

Join us at a pivotal moment, shape what we build and wear multiple hats as an intern!

Please Note: To be eligible for this position you should be a student currently enrolled in a post-secondary program, available for a full-time 3-6 month internship, co-op, or research work term.

As a Machine Learning Intern, you will:

• Design, train and improve upon cutting-edge models.
• Help us develop new techniques to train and serve models safer, better, and faster.
• Train extremely large-scale models on massive datasets.
• Explore continual and active learning strategies for streaming data.
• Learn from experienced senior machine learning technical staff.
• Work closely with product teams to develop solutions.

You may be a good fit if you have:

• Proficiency in Python and related ML frameworks such as Tensorflow, TF-Serving, JAX, and XLA/MLIR.
• Experience using large-scale distributed training strategies.
• Familiarity with autoregressive sequence models, such as Transformers.
• Strong communication and problem-solving skills.
• A demonstrated passion for applied NLP models and products.
• Bonus: experience writing kernels for GPUs using CUDA.
• Bonus: experience training on TPUs.
• Bonus: papers at top-tier venues (such as NeurIPS, ICML, ICLR, AIStats, MLSys, JMLR, AAAI, Nature, COLING, ACL, EMNLP).

Full-Time Employees at Cohere enjoy these Perks:

• A weekly lunch stipend of $75/£75 or equivalent in your local currency for lunch.
• Full health and dental benefits, including a separate budget for mental health.
• RRSP matching, 401K, Pension Scheme.
• 100% Parental Leave top-up for up to 6 months, for either parent.
• Annual enrichment benefits:
• 6 weeks of paid vacation (30 working days!)
• Budget for traveling to other offices if you are remote, plus an annual company offsite.

How and Where We Work:

• Cohere is remote-friendly. We have offices in Toronto, San Francisco, New York City, London, Paris, Montreal, and more coming soon.
• For those in the office: a daily lunch program, plenty of snacks, and regular community and social events.
• For those not near an office: a co-working benefit so you can work alongside others in your city.
• Everyone receives a $500 home office stipend to set up your workspace properly.

We strive to create an inclusive work environment for all; we welcome applicants from all backgrounds and are committed to providing equal opportunities.

Should you require any accommodations during the recruitment process, Accommodations Request Form, and we will work together to meet your needs.

We may use AI-enabled tools to screen and assess applicants against the criteria for this position. This helps our recruiters identify potentially qualified candidates, but it doesn’t limit the applications our recruiters may review or consider.