AUTSORSALas cualificaciones, habilidades y toda la experiencia relevante necesaria para este puesto se pueden encontrar en la descripción completa a continuación.is a fast-growing company founded and based in Bulgaria, providing business outsourcing, outstaffing, and HR services to clients all over the world.Our client is aleading European semiconductor companydeveloping cutting-edgeAI chip infrastructure and software platformsthat enable high-performance AI and data processing workloads. Their teams work end-to-end — from hardware architecture to low-level software — building complete solutions that power next-generation AI systems.If you are passionate aboutsystems programming, performance optimization, and parallel computing , and want to work closely withhardware and AI teamson real-world, high-impact products, this is a great opportunity to join a fast-paced and innovative environment.We are looking for aSenior Software Engineerto join a highly skilled team developing software frameworks and tools for AI accelerators.What you'll do:Develop and optimize low-level software components for AI and HPC workloads.Profile and analyze workloads to improve performance and scalability.Work on kernel optimization, parallel data processing, and inter-device coordination.Collaborate closely with hardware and AI teams to influence both software and hardware design.Contribute to emulation, performance analysis, software packaging, and distribution.Participate in continuous improvement of software architecture, tools, and workflows.Requirements:Required:4+ years of experience in a Software Engineering role.Strong knowledge ofC/C++ and Python .Solid experience withLinuxenvironments.Hands-on experience withsoftware profiling and performance analysis .Background inparallel programming and workload analysis .Strong problem-solving skills and attention to detail.Bachelor's, Master's, or PhD degree in a relevant field.English levelC1 or higher .Nice to have:C/C++ and Python interoperability.Assembly experience (RISC-V, RISC-V Vector).Architecture-based optimization.CUDA or ROCm experience.Bare-metal programming.LLVM / GCC toolchains.AI application development experience.ONNX Runtime knowledge.Master's or PhD degree.Why join us:Relocation packagefor you and your family (visa, flights, first-month rent, housing assistance).Permanent, full-time onsite roleinBarcelona, Spain .Flexible working hours (Monday–Friday, 9–6).Work in one of the few European companies buildingAI chip infrastructure end-to-end .Small, highly skilled team with strong technical ownership.Supportive, family-friendly environment.Candies, coffee, andfree Spanish lessonsHow to ApplyIf you want to work onhigh-performance software that directly shapes next-generation AI hardware , we would love to hear from you.Join us in building the future of AI-powered computing.By applying to this advertisement, you voluntarily provide your personal data and consent to their processing for recruitment purposes. xsgfvud The processing of personal data is carried out in full compliance with the requirements of Regulation (EU) 2016/679 (General Data Protection Regulation), the Personal Data Protection Act, and all other applicable regulations.License for the selection of personnel from the Employment Agency No. 3484 of and No. 3485 of for the EU.