Staff Software Engineer (AI Inference)

TL;DR

Staff Software Engineer (AI Inference): Building and optimizing high-performance inference systems for large-scale AI models with an accent on compute efficiency, intelligent request routing, and fleet-wide orchestration. Focus on solving complex distributed systems challenges across diverse AI accelerators and cloud platforms to serve millions of users and enable breakthrough research.

Location: London, UK. This role operates under a location-based hybrid policy, requiring staff to be in one of the offices at least 25% of the time. Visa sponsorship is available, with reasonable efforts made to secure a visa if an offer is extended.

Salary: £325,000 – £390,000 GBP

Company

hirify.global is a public benefit corporation with a mission to create reliable, interpretable, and steerable AI systems that are safe and beneficial for users and society.

What you will do

• Identify and address key infrastructure blockers for serving Claude to millions of users globally.
• Design intelligent routing algorithms to optimize request distribution across thousands of accelerators.
• Autoscale the compute fleet to dynamically match supply with demand for production, research, and experimental workloads.
• Build production-grade deployment pipelines for releasing new AI models.
• Integrate new AI accelerator platforms to maintain hardware-agnostic competitive advantage.
• Analyze observability data to fine-tune performance based on real-world production workloads.

Requirements

• Significant software engineering experience, particularly with distributed systems.
• Familiarity with performance optimization, large-scale service orchestration, and intelligent request routing.
• Experience implementing and deploying machine learning systems at scale.
• Proficiency in Python or Rust.
• At least a Bachelor's degree in a related field or equivalent experience.

Nice to have

• Familiarity with LLM inference optimization, batching strategies, and multi-accelerator deployments.
• Experience with load balancing or traffic management systems.
• Knowledge of Kubernetes and cloud infrastructure (AWS, GCP).

Culture & Benefits

• Competitive compensation and benefits with optional equity donation matching.
• Generous vacation and parental leave.
• Flexible working hours.
• Collaborative environment focused on high-impact AI research.
• Emphasis on advancing long-term goals of steerable, trustworthy AI.
• Regular research discussions to ensure pursuit of high-impact work.