Member of Technical Staff, AI Pretraining

Microsoft; City Of London; On-site; GBP 70,000 - 90,000; Full time

Job summary

A leading technology company is seeking talented individuals for their Pre-Training team focused on advancing AI models. Candidates should possess a Bachelor’s in Computer Science and demonstrate expertise in areas such as pretraining and large-scale distributed systems. This role involves developing algorithms, collaborating with various teams, and contributing to innovative projects in a fast-paced environment.

Qualifications

• Proven expertise in pretraining with a strong publication track record.
• Experience with large-scale distributed systems.
• Bachelor’s Degree in Computer Science or related technical discipline.

Responsibilities

• Develop algorithms and architectures for large-scale training.
• Conduct experiments and oversee training runs.
• Collaborate with cross-functional teams on various projects.

Skills

Expertise in pretraining

Analytical skills

Collaboration

Coding in Python

Technical leadership

Education

Bachelor’s Degree in Computer Science or related

Tools

C

C++

C#

Java

JavaScript

Job description

Overview

Help deliver one of the best foundational models in the world at Microsoft AI.

At Microsoft AI, we are on a mission to train the world’s most capable AI frontier models, pushing the boundaries of scale, performance and product deployment. The Pre-Training team at Microsoft AI tackles some of the most challenging problems in deep learning at scale. As a team, we will deliver one of the best foundation models in the world, forming the foundation of many initiatives across Microsoft AI.

We are looking for outstanding individuals excited about contributing to the next generation of systems that will transform the field. We are looking for candidates who:

• Have proven expertise in areas of interest, evidenced by an exceptional publication track record and significant technical leadership in high-impact projects
• Exhibit strong analytical skills, attention to detail, and a commitment to data-driven decision-making
• Have experience and/or in-depth understandings about large-scale distributed systems
• Demonstrate an ability to work collaboratively in a fast-paced, innovative environment

Starting January 26, 2026, MAI employees are expected to work from a designated Microsoft office at least four days a week if they live within 50 miles (U.S.) or 25 miles (non-U.S., country-specific) of that location. This expectation is subject to local law and may vary by jurisdiction.

Responsibilities

• Develop algorithms, model architectures, data mixtures, and scaling laws for large-scale training using a rigorous data-driven approach grounded in meticulous ablations
• Drive algorithmic implementations, conduct experiments, and oversee flagship training runs on our in-house large-scale distributed stack
• Collaborate closely with teams on infrastructure, data, post-training, and multimodality
• Embed our culture and values

Required/Minimum Qualifications

• Bachelor’s Degree in Computer Science, or related technical discipline AND technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python
• Proven expertise in the area of pretraining

Additional or Preferred Qualifications

• Demonstrated experience in large-scale AI.
• Passionate about conversational AI and its deployment.
• Demonstrated written and verbal communication skills with the ability to work closely with cross-functional teams, including product managers, designers, and other engineers.
• Passion for learning new technologies and staying up to date with industry trends, best practices, and emerging technologies in AI.
• Proven ability to collaborate and contribute to a positive, inclusive work environment, fostering knowledge sharing and growth within the team.