Member of Technical Staff, SeniorStaff MLE

Who are we

Our mission is to scale intelligence to serve humanity. Were training and deploying frontier models for developers and enterprises who are building AI systems to power magical experiences like content generation semantic search RAG and agents. We believe that our work is instrumental to the widespread adoption of AI.

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. We like to work hard and move fast to do whats best for our customers.

Cohere is a team of researchers engineers designers and more who are passionate about their craft. Each person is one of the best in the world at what they do. We believe that a diverse range of perspectives is a requirement for building great products.

Join us on our mission and shape the future!

Why This Role Is Different

This is not a typical Applied Scientist or ML Engineer role. As a Member of Technical Staff Applied ML you will:

1. Work directly with enterprise customers on problems that push LLMs to their limits.
   Youll rapidly understand customer domains design custom LLM solutions and deliver production-ready models that solve high-value real-world problems.

2. Train and customize frontier models not just use APIs.
   Youll leverage Coheres full stack: CPT post-training retrieval agent integrations model evaluations and SOTA modeling techniques.

3. Influence the capabilities of Coheres foundation models.
   Techniques datasets evaluations and insights you develop for customers will directly shape the next generation of Coheres frontier models.

4. Operate with an early-startup level of ownership inside a frontier-model company.
   This role combines the breadth of an early-stage CTO with the infrastructure and scale of a deep-learning lab.

5. Wear multiple hats set a high technical bar and define what Applied ML at Cohere becomes.
   Few roles in the industry combine application research customer-facing engineering and core-model influence as directly as this one.

What Youll Do

Technical Leadership & Solution Design

• Lead the design and delivery of custom LLM solutions for enterprise customers.

• Translate ambiguous business problems into well-framed ML problems with clear success criteria and evaluation methodologies.

Modeling Customization & Foundations Contribution

• Build custom models using Coheres foundation model stack CPT recipes post-training pipelines (including RLVR) and data assets.

• Develop SOTA modeling techniques that directly enhance model performance for customer use-cases.

• Contribute improvements back to the foundation-model stack including new capabilities tuning strategies and evaluation frameworks.

Customer-Facing Technical Impact

• Work closely with enterprise customers to identify high-value opportunities where LLMs can unlock transformative impact.

• Provide technical leadership across discovery scoping modeling deployment agent workflows and post-deployment iteration.

• Establish evaluation frameworks and success metrics for custom modeling engagements.

Team Mentorship & Organizational Impact

• Mentor engineers across distributed teams.

• Drive clarity in ambiguous situations build alignment and raise engineering and modeling quality across the organization.

You May Be a Good Fit If You Have:

Technical Foundations

• Strong ML fundamentals and the ability to frame complex ambiguous problems as ML solutions.

• Fluency with Python and core ML/LLM frameworks.

• Experience working with large-scale datasets and distributed training or inference pipelines.

• Understanding of LLM architectures tuning techniques (CPT post-training) and evaluation methodologies.

• Demonstrated ability to meaningfully shape LLM performance.

Experience & Leadership

• Experience engaging directly with customers or stakeholders to design and deliver ML-powered solutions.

• A track record of technical leadership at a team level.

• A broad view of the ML research landscape and a desire to push the state of the art.

Mindset

• Bias toward action high ownership and comfort with ambiguity.

• Humility and strong collaboration instincts.

• A deep conviction that AI should meaningfully empower people and organizations.

Join Us

This is a pivotal moment in Coheres history. As an MTS in Applied ML you will define not only what we build but how the world experiences AI. If youre excited about building custom models solving generational problems for global organizations and shaping frontier-model capabilities wed love to meet you.

If some of the above doesnt line up perfectly with your experience we still encourage you to apply!

We value and celebrate diversity and 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 please submit an Accommodations Request Form and we will work together to meet your needs.

Full-Time Employees at Cohere enjoy these Perks:

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!)

Required Experience:

Staff IC