Intercom

AI Infrastructure Engineer

Intercom
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5 months ago
Dublin, IrelandSenior
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 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

  • 5+ years of software engineering experience.
  • A degree in Computer Science, Computer Engineering, or a related field, or equivalent experience with very strong fundamentals.
  • Hands-on experience with model training, especially transformers and LLMs; model inference at scale; or low-level GPU work such as CUDA or Triton kernels.
  • Experience working in production environments at meaningful traffic, data, or organizational scale.
  • Deep knowledge of at least one programming language, such as Python, Ruby, Java, or Go.
  • Clear communication, strong technical fundamentals, collaborative working style, and willingness to invest in professional development.
  • Preferred experience running training or inference workloads on Kubernetes.
  • Preferred experience with AWS or other major cloud providers.
  • Preferred production experience with Python in ML or infrastructure contexts.
  • Experience at an AI-native company that trains or runs inference for its own models is a bonus.
  • Personal projects, open-source contributions, meetups, or published technical content are valued.

Benefits

  • Competitive salary and equity are offered, with regular compensation reviews; compensation figures are not stated.
  • Lunch is provided every weekday, along with snacks and a stocked kitchen.
  • Unlimited access to Claude Code and other AI tools is provided.
  • Pension scheme with matching up to 4%.
  • Life assurance and comprehensive health and dental insurance for employees and dependents.
  • Flexible paid time off policy.
  • Paid maternity leave and six weeks of paternity leave.
  • Cycle-to-Work Scheme and secure bike storage.
  • MacBooks are standard, with Windows available for certain roles.
  • Hybrid working policy requiring employees to work in the office at least three days per week.

Tech Stack

Categories

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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