Delos Data

Delos Data

System Software Engineer - AI

Montreal

Sponsorship not specified$120k-$180kDetected 78 days ago
PythonC++Node.jsLinuxPyTorchLLMsUnityCommunication

About the role

  • Headquartered in Silicon Valley, we operate across a mix of remote and on-site locations in the U.S. and Canada.
  • In this role, you will bridge the gap between high-level AI frameworks and low-level system software.
  • You will be responsible for designing and implementing the communication and execution primitives that allow large-scale AI models to run efficiently across thousands of GPUs.

Responsibilities

  • Collaborate across the stack to influence the design of our foundational technology, ensuring it meets the needs of next-generation AI models.

Requirements

  • Strong proficiency in C++ and Python, with a deep understanding of systems programming fundamentals (memory management, concurrency, OS internals).
  • Required Skills and Qualifications:
  • Required Skills and
  • Proficient in a Linux development environment.

Skills

  • Experience with GPU programming (CUDA) and performance optimization for parallel architectures.
  • Familiarity with distributed AI frameworks (PyTorch, JAX, or DeepSpeed) and/or inference engines (vLLM, SGLang, Dynamo/TRT-LLM).
  • Hands-on experience with large-scale cluster orchestration and telemetry tools.
  • Bachelor's or Master's degree in Computer Engineering, Computer Science, or a related field.

Compensation

  • Target base salary for this role is $120,000 - $180,000 CAD per year + meaningful equity + benefits + 401k. Our salary ranges are determined by role, level, experience, and location.

Benefits

  • Target base salary for this role is $120,000 - $180,000 CAD per year + meaningful equity + benefits + 401k.

Company info

  • We are a stealth-mode startup building foundational technology to address performance, scalability, and resiliency challenges in large-scale AI data center clusters.
  • We are backed by top-tier VC firms and notable angel investors.
  • The company is led by experienced builders and operators who have founded companies, taken them to scale, and exited successfully.
  • We work with a strong sense of unity and shared responsibility, and we expect trust, integrity, and respect in how we collaborate and make decisions.
  • We hold ourselves accountable to one another and to the quality of the work we deliver.
  • We aim to create an environment where people are treated fairly, supported in their growth, and are empowered to do meaningful work alongside others who take the craft seriously.
  • We are looking for:
  • We are looking for a talented System Software Engineer to help us redefine the infrastructure layer of AI.
  • We are looking for a "builder" who thrives in the early stages of a product's lifecycle and is passionate about solving the "hard" systems problems of the generative AI era.
  • We do not accept resumes from agencies or search firms.
  • Please do not forward candidate profiles through our careers page, email, LinkedIn messages, or directly to company employees.

Equal opportunity

  • We are an equal opportunity employer. We value a range of perspectives and experiences and make employment decisions based on merit and business needs. We do not discriminate on the basis of legally protected characteristics.
  • We are an equal opportunity employer.
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This listing is sourced directly from Delos Data's careers page and normalized into a canonical job model.