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[Remote] AI Inference Engineer (f/m/d)

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. ITRex Group is a pioneering AI company that builds real-world systems and solutions. They are seeking an AI Inference Engineer with strong C++ expertise to deploy and optimize AI models for production, focusing on integrating and enhancing existing products with machine learning capabilities.

Responsibilities

  • Work on deploying machine learning models to edge devices using the frameworks: llama.cpp, ggml
  • Collaborate closely with researchers to assist in coding, training and transitioning models from research to production environments
  • Integrate AI features into existing products, enriching them with the latest advancements in machine learning

Skills

  • 4+ years of professional experience in Modern C++ (C++17/20)
  • Strong knowledge of memory management, multithreading, profiling and performance optimization
  • Experience debugging low-level issues (memory leaks, fragmentation, OOM, concurrency)
  • Experience working with Linux development environments
  • Experience integrating machine learning models into production applications
  • Experience deploying and optimizing AI inference pipelines
  • Hands-on experience with AI inference frameworks such as: llama.cpp (strong plus), ggml (strong plus), ONNX Runtime, TensorRT / TensorRT-LLM, OpenVINO, MLC LLM, ExecuTorch, TVM
  • Experience profiling inference performance and optimizing memory usage and latency
  • Strong understanding of modern AI model architectures, including: Transformer architecture, Large Language Models (LLMs), Diffusion Models, Tokenization, Attention mechanisms, KV Cache, Quantization techniques, Model conversion and deployment
  • Experience working with one or more of the following: LLM deployment, Computer Vision models, OCR models, Multimodal models, Speech models, Image generation models
  • Experience evaluating new models and integrating them into existing products is highly desirable
  • CUDA
  • Vulkan Compute
  • Metal
  • OpenCL
  • Typescript
  • Python
  • Experience contributing to open-source AI infrastructure projects

Benefits

  • Remote flexibility: Work where and how you work best - we trust you to deliver
  • Fair compensation: Competitive salary + benefits that matter (medical, learning)
  • Ownership opportunities: See a problem worth solving? Own it. We back smart risks over bureaucratic safety
  • AI enhancement: We leverage AI to make you faster and stronger - complementing your abilities, not replacing them
  • Learning investment: English classes, professional development
  • Career progression: Real paths up, not just sideways shuffling
  • Responsive teammates: No ignored Slacks, no "not my problem" attitudes
  • Supportive culture: When you're stuck, people help. When things break, we fix them together
  • Human connections: Regular meetups, tech talks, and actual relationships beyond work

Company Overview

  • We build what others demo — AI, Gen AI, and data systems that actually run It was founded in 2009, and is headquartered in Aliso Viejo, California, USA, with a workforce of 201-500 employees. Its website is https://itrexgroup.com.
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