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Salary
≈ $59k – $155k per year (Estimated)
Location
In office (Seongnam)
Seniority
Senior · 5+ years exp

Confirmed on the employer's own hiring board on Sep 25, 2026. First seen by Alion on Jul 10, 2026. Rebellions scores C on the Alion truth index.

Overview
Company
Impact
Profile match
Rebellions is a South Korean semiconductor company founded in 2020 by former Wall Street quantitative engineers and IBM chip designers to build accelerators specialised for AI inference rather than training. Its ATOM processor targets efficiency per watt in data centre inference, and the follow-on REBEL design uses chiplet packaging to scale to large language model workloads. The company merged with Sapeon Korea, the AI chip unit of the SK group, to consolidate the domestic effort against foreign GPUs, becoming South Korea's first AI semiconductor unicorn and working closely with SK Telecom, KT and Samsung Foundry.

The NPU SDK part of Software Team owns the end-to-end SDK user experience: modeling work to bring state-of-the-art AI models (LLM, Multi-modal, Vision, Speech, etc.) onto Rebellions NPU, building and operating CI/CD pipelines to ship a production-ready SDK to external users, releasing and distributing the software, and authoring and publishing developer documentation.

Responsibilities and Opportunities

  • SDK Ecosystem & Release Pipeline: Design, build, and operate CI/CD pipelines that automate and scale the SDK release process
  • Model Deployment & Porting: Port and optimize the latest deep learning models (LLM, Multi-modal, etc.) onto Rebellions NPU, analyze performance bottlenecks, and validate numerical parity against GPU reference implementations when needed
  • Framework Integration: Integrate the SDK tightly with the open-source inference and serving ecosystem, including Hugging Face Transformers, Diffusers, vLLM, and to maximize the developer experience
  • Verification & Debugging: Design model-feeding frameworks and debugging utilities to ensure functional correctness and long-term stability of the SDK
  • Developer Documentation: Author and maintain developer-facing documentation - API references, tutorials, model support matrices, and release notes - and operate the documentation build and publishing pipeline for external developers and partners

Key Qualifications

  • Master’s degree or above in Computer Science, Electrical Engineering, or a related field
  • Deep working knowledge of CI/CD tools such as GitHub Actions, Airflow, and Buildkite
  • Deep understanding of modern deep learning model architectures, including LLMs (Transformer family), Multi-modal, Vision, and Speech
  • Strong familiarity with PyTorch internals, including model customization and graph transformations
  • High-performance software development skills in Python and Modern C++ (C++17 or later)
  • Experience using and integrating major open-source libraries such as Hugging Face (Transformers, Diffusers) and vLLM
  • Hands-on experience with Python and Kubernetes-based environments for deploying and troubleshooting AI inference workloads in production

Ideal Qualifications

  • 5+ years of relevant industry experience, or equivalent practical expertise
  • Experience optimizing and deploying models on specific hardware using CUDA, TensorRT, TensorRT-LLM, MLIR, Triton, or TVM
  • Experience building scalable ML infrastructure with Docker and Kubernetes
  • Experience in AI Harness Engineering - designing environments where AI agents operate autonomously within defined constraints, feedback loops, and system contexts
  • Contributions to open-source projects as a maintainer or regular contributor
  • Understanding of the internals of other frameworks such as JAX or TensorFlow

전형절차

  • 서류전형 > On-line 인터뷰 > On-site 인터뷰(과제 포함) > Culture-fit인터뷰 > 처우 협의 > 최종 합격
  • 전형절차는 직무별로 다르게 운영될 수 있으며, 일정 및 상황에 따라 변동될 수 있습니다.
  • 전형 일정 및 결과는 지원 시 작성하신 이메일로 개별 안내드립니다.

참고사항

  • 본 공고는 모집 완료 시 조기 마감될 수 있습니다.
  • 지원서 내용 중 허위사실이 있는 경우에는 합격이 취소될 수 있습니다.
  • 채용 및 업무 수행과 관련하여 요구되는 법령 상 자격이 갖추어지지 않은 경우 채용이 제한될 수 있습니다.
  • 보훈 대상자 및 장애인 여부는 채용 과정에서 어떠한 불이익도 미치지 않습니다.
  • 담당 업무 범위는 후보자의 전반적인 경력과 경험 등 제반사정을 고려하여 변경될 수 있습니다. 이러한 변경이 필요할 경우, 최종 합격 통지 전 적절한 시기에 후보자와 커뮤니케이션 될 예정입니다.
  • 채용 관련 문의사항은 아래 메일 주소로 문의바랍니다.
  • [email protected]
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