Intercom

AI Infrastructure Engineer

Intercom
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5 months ago
London, United KingdomSenior
H1B Sponsor

Responsibilities

  • Implement and scale training pipelines for large transformer and LLM models from data ingestion and preprocessing through distributed training and evaluation.
  • Build and optimize low-latency, highly reliable inference services, including autoscaling, routing, and fallbacks.
  • Tune GPU kernels, improve utilization, and identify performance bottlenecks across the training and inference stack.
  • Collaborate with ML scientists to implement advanced training and inference methods and bring them to production.
  • Participate in hiring, mentoring, and developing other engineers.
  • Improve technical standards, reliability, and operational excellence across the AI platform.

Requirements

  • At least 5 years of software engineering experience.
  • Degree in Computer Science, Computer Engineering, or a related field, or equivalent experience with strong technical fundamentals.
  • Hands-on experience with model training, model inference at scale, or low-level GPU programming such as CUDA or Triton.
  • Deep knowledge of at least one programming language, such as Python, Ruby, Java, or Go.
  • Experience working in production environments at meaningful traffic, data, or organizational scale.
  • Clear technical communication and effective collaboration with engineers and non-engineers.

Benefits

  • Competitive salary and equity, with regular compensation reviews.
  • Weekday lunch, snacks, and a fully stocked kitchen.
  • Unlimited access to Claude Code and other AI tools.
  • Pension scheme with matching up to 4%.
  • Life assurance plus comprehensive health and dental insurance for employees and dependents.
  • Flexible paid time off.
  • Paid maternity leave and six weeks of paternity leave.
  • Cycle-to-Work Scheme and secure bike storage.
  • MacBook standard equipment, with Windows available for certain roles.
  • Hybrid working policy requiring at least three days per week in the office.

Tech Stack

Intercom

About Intercom

1,001-5,000 employees

We’re Intercom — the AI customer service company helping businesses deliver incredible customer experiences at scale. Our platform combines Fin, the #1 AI Agent for customer service, with our next-generation Helpdesk, a modern workspace that gives support teams the power, speed and intelligence they need.

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