SW engineer - AI frameworks

What You'll Bring

Required:

• Strong experience with modern C++

• C programming experience

• Working knowledge of Python

• Experience with Linux environments

• Multithreading experience

• Software profiling and debugging (gdb)

• Strong problem-solving skills and attention to detail

• English proficiency at C1 level

Nice to Have:

• PyTorch dispatcher/ATen internals

• vLLM

• SGLang

• CMake

• LLVM/GCC

• Hardware/software interfacing experience

• Multi-GPU deployment

• C/C++ and Python interoperability (pybind11)

• ONNX Runtime execution provider (EP) registration

• Open source contributions

• CUDA/ROCm

• AI kernel development

• Bare-metal programming

• AI application development

• Workload analysis

Why Semidynamics?

• Join one of Europe's most promising deep-tech semiconductor scale-ups

• Accelerated career development path

• Hybrid model: 4 days/week at our Barcelona city-center office, 1 day WFH

• 1 week per year of "work from anywhere in the world"

• Competitive compensation package