Our partner is looking for Mid and Senior Software Engineers to develop software components and AI frameworks that integrate closely with advanced processor hardware.

The role focuses on modern C++, system performance and software architecture, working across low level interfaces and higher level AI frameworks. You will collaborate closely with hardware and AI teams, helping optimize software performance, reliability and hardware integration.

Location: Barcelona, Spain, Hybrid

Level: Mid / Senior

Responsibilities

Design and develop software components that integrate with hardware

Work across low level system interfaces and higher level AI frameworks

Profile, debug and optimize complex software

Improve performance, scalability and reliability

Contribute to software architecture and technical design

Collaborate closely with hardware and AI engineering teams

Support integration between software frameworks and processor hardware

Analyze workloads and identify performance bottlenecks

Requirements

Strong professional experience with modern C++

Good knowledge of C

Working knowledge of Python

Strong experience working in Linux environments

Experience developing multithreaded software





Hands on experience with software profiling and debugging, including GDB or similar tools

Experience working on complex software systems with multiple interacting components

Strong understanding of software performance and optimization

Strong problem solving skills and attention to detail

English level C1

Optional / Desired

RISC V experience

PyTorch dispatcher or ATen internals vLLM or SGLang

CMake

LLVM or GCC

Hardware and software interfacing

Multi GPU deployment

C/C++ and Python interoperability, including pybind11

ONNX Runtime

Open source contributions

CUDA or ROCm

AI kernel development

Bare metal programming

AI application development

Workload analysis and performance tuning

What's in it for you?

Adaptable working hours

Hybrid model, 4 days office, 1 day from home

1 week per year working from anywhere

25 days annual leave plus December 24 and 31

Monthly food allowance

Private medical insurance

Relocation bonus

Housing search support

Visa support if required

Family relocation support

Virtual shares

Language classes

Tax incentive, subject to eligibility

📌 Software Engineer, AI Frameworks, Mid / Senior (Barcelona)
🏢 Hireroo
📍 Barcelona