Senior Member of Technical Staff, Multimodal AI

Cohere; City Of London; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading AI company in London is seeking a Member of Technical Staff focused on multimodal AI. You'll design and develop advanced systems integrating text, speech, and vision while collaborating with world-class teams. Ideal candidates have strong software engineering skills and a passion for machine learning. The role offers a dynamic work environment and excellent benefits including flexible remote work, generous vacation, and health benefits.

Benefits

Open and inclusive culture

Weekly lunch stipend

Full health and dental benefits

Parental Leave top-up

Personal enrichment benefits

Remote-flexible work

6 weeks of vacation

Qualifications

• Proven track record of building robust and scalable systems.
• Strong command of Python with knowledge of deep learning frameworks.
• Familiar with multimodal capabilities in machine learning frameworks.

Responsibilities

• Design and develop multimodal AI systems integrating text, speech, and vision.
• Conduct experiments on compute infrastructure exploring representation learning.
• Collaborate closely with teams in the field.

Skills

Software engineering skills

Python

Deep learning frameworks (JAX, PyTorch, TensorFlow)

Distributed training strategies

Autoregressive models

Job description

Who are we?

Our mission is to scale intelligence to serve humanity. We’re 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 what’s 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?

At Cohere, we believe in the power of multimodal AI to revolutionise the way we interact with technology. Our engineering teams push the boundaries of what's possible, and we're looking for talented individuals to join us on this exciting journey. With an exceptional ratio of compute resources to engineers, we provide an ideal environment for you to explore, innovate and shape the future of AI.

July 31st 2025 - Cohere's Multimodal team Introduced Command A Vision: Multimodal AI Built for Business. At release our new flagship vision-language model: consistently outperforms major models like Llama 4 Maverick, Mistral Medium/Pixtral Large, and GPT4.1, 83.1% average benchmark, built for the real world - 112B parameters running on just 2 GPUs, open weights live on HuggingFace

With a focused team, breakthrough performance doesn't require breakthrough compute. Focus on the things that matter, and join the team.

As a Member of Technical Staff with a focus on Multimodal AI, you will:

• Design and develop cutting-edge multimodal AI systems, integrating various modalities such as text, speech, and vision.
• Conduct research and experiments on our advanced compute infrastructure, exploring novel ideas in multimodal representation learning, transfer learning, and more.
• Collaborate closely with our world-class teams, learning from and contributing to their expertise in the field.

You are an ideal candidate if you:

• Possess exceptional software engineering skills, with a proven track record of building robust and scalable systems.
• Have a strong command of Python and are well-versed in popular deep learning frameworks like JAX, PyTorch, and TensorFlow, with an understanding of their multimodal capabilities.
• Knowledge of distributed training strategies, especially for large-scale multimodal models.
• Familiarity with autoregressive models, particularly their application in multimodal tasks such as image or video captioning, speech-to-text generation.
• Bonus: Publications in top-tier venues demonstrating your expertise in multimodal AI research.
• Bonus: Experience in writing efficient GPU kernels using CUDA, optimising performance for multimodal tasks.

This role is perfect for you if you:

• Have a deep passion for machine learning and its potential to impact various industries through multimodal applications.
• Enjoy tuning and optimising large multimodal models, and have experience building evaluations to measure their performance.
• Are comfortable diving into complex ML codebases to identify and resolve issues, ensuring the smooth operation of our systems.
• Thrive in a fast-paced, technically challenging environment, where you can contribute your innovative ideas and solutions.
• Have a history of delivering creative, practical solutions to real-world problems, demonstrating your ability to think outside the box.

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.

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 6 months for employees based in Canada, the US, and the UK

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