Member of Technical Staff, Machine Learning (AI)

Location: Hybrid in London, United Kingdom

Company

hirify.global is building proactive AI-native applications that help users manage conversations, errands, organisation, and workflows with minimal prompting.

What you will do

• Build and improve ML components across data, training, evaluation, and inference.
• Fine-tune and adapt models within larger production systems running on GPUs.
• Implement evaluation and testing to understand model behaviour and improve reliability.
• Build and maintain pipelines for real-world and synthetic data.
• Debug model issues, performance problems, and production incidents.
• Collaborate with senior ML engineers and product teams to ship iterative improvements.

Requirements

• Strong foundations in machine learning and modern neural architectures.
• Hands-on experience training, fine-tuning, or deploying ML models.
• Production-quality Python development.
• Experience or familiarity with PyTorch or JAX and production ML systems running on GPUs.
• Ability to work through ambiguity, learn quickly, and grow ownership over time.
• Ability to work under production constraints including latency, cost, reliability, and safety.

Culture & Benefits

• Work in a small, high-talent-density, hands-on team.
• Make decisions collectively while moving at a rapid pace.
• Balance high-quality delivery with continuous learning and iteration.
• Work directly with real production systems and user feedback from day one.

Hiring process

• Applications are evaluated by technical team members.
• Expect three, and no more than four, interviews conducted virtually and/or onsite.
• Decisions are made promptly after the interview process.