System Software Engineer Scalable Solution
South Korean AI semiconductor and infrastructure company building inference accelerators, servers, racks, and software for production-scale AI deployment.
Funding history
Investors
About Rebellions
Rebellions develops purpose-built AI inference hardware and an accompanying software stack. Its current offerings include the Rebel100 accelerator and deployable RebelServer, RebelRack, and RebelPOD systems, designed for energy-efficient data-center inference.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
You will design and implement components of an NPU communication software stack, including a collective communication library and driver. You will contribute to API and performance design across software and hardware layers, analyze bottlenecks, and influence future NPU and interconnect topology.
Requirements
- At least 5 years of systems software development experience or a related Ph.D.
- C/C++ low-level systems programming
- Operating system internals and networking knowledge
- Experience delivering complex, high-performance, reliable software
- Hardware accelerator and performance characteristic knowledge
- Collective communication algorithm knowledge, including All-Reduce, All-Gather, and Reduce-Scatter
- High-performance communication library, parallel runtime, or high-performance networking experience
- RDMA/RoCE, NVLink, or CXL knowledge
- Interconnect topology and Network-on-Chip architecture knowledge
Responsibilities
- Design and implement components of an NPU communication software stack, including collective communication libraries and drivers
- Contribute to technical design, API definition, and performance optimization across software and hardware layers
- Analyze performance bottlenecks with hardware and software teams
- Influence future NPU and interconnect topology
Hiring Process
Application review → online interview (culture fit and coding test) → onsite interview (technical presentation) → reference check → compensation negotiation → final acceptance