Senior Member of Technical Staff, Machine Learning (AI)

Location: United Kingdom; hybrid work in London

Company

hirify.global is building a proactive smart assistant for everyday users that brings AI to conversations, errands, organization, and workflows.

What you will do

• Build core ML systems powering a proactive, long-horizon AI product.
• Own ML work end to end, including data preparation, training, evaluation, inference, and iteration.
• Turn research ideas into reliable production systems and debug model failures using real production signals.
• Ship, measure, and refine ML capabilities while balancing latency, cost, reliability, and safety.
• Collaborate with research, product, and engineering to deliver user impact.
• Mentor and review the work of other ML engineers through technical judgment and example.

Requirements

• Experience building and shipping ML systems used by real users.
• Strong understanding of how modern ML models behave and fail in production.
• Production-quality Python programming and systems-level thinking.
• Experience with PyTorch or JAX and GPU-based training and inference systems.
• Ability to take ownership, work independently, communicate clearly, and drive work through completion.
• Ability to work in a hybrid setup in the United Kingdom.

Culture & Benefits

• Work in a small, high-talent-density, hands-on team.
• Make decisions collectively and move quickly while balancing quality with learning.
• Apply judgment, create structure, and execute independently.
• Participate in virtual and/or onsite interviews.
• Receive a prompt hiring decision after the interview process.

Hiring process

• Complete 3, and no more than 4, interviews if selected for further consideration.
• Interviews are conducted via virtual meetings and/or onsite.
• Applications are evaluated by technical team members.