# Software Engineer (Mid / Senior) at Hireroo

> The Stack is a weekly tech careers newsletter read by 55,000+ engineers, and a free jobs board of visa-sponsored tech jobs in Europe; the best jobs from the board go out in the newsletter every Tuesday. This is one job from the board.

> Responsibilities: - Develop and optimize system software, ru

- **Company:** Hireroo (https://jobs.trythestack.co/companies/hireroo)
- **Location:** Spain
- **Work arrangement:** On-site
- **Employment type:** Full-time
- **Experience level:** 5–10 years
- **Visa sponsorship:** Offered, according to the listing
- **Key skills:** C, C++, Python, Linux, Kernel optimization, Parallel programming, Workload analysis, Performance tuning, System software, Debugging, Software architecture, Distributed systems, Processor architecture, RISC-V, CUDA, ROCm
- **Posted by employer:** 2026-10-01
- **Added to The Stack:** 2026-10-02
- **Listed until:** 2026-11-30
- **Status:** Active
- **Apply:** https://recruitment.hireroo.com/jobs/8488089-software-engineer-mid-senior (the employer's own application page)
- **Human page:** https://jobs.trythestack.co/jobs/software-engineer-mid-senior-hireroo

## About the role

Responsibilities:
- Develop and optimize system software, runtime frameworks and kernels to improve AI workload performance.
- Profile applications, identify bottlenecks and implement performance tuning across software and hardware layers.
- Enable parallel and distributed workload execution; improve scheduling and runtime efficiency.
- Integrate and test frameworks and toolchains with processor and accelerator hardware.
- Debug complex system- and performance-related issues; support packaging, distribution and deployment.
- Collaborate closely with hardware and AI engineering teams to influence software architecture and processor optimizations.

Requirements:
- Mid: 4+ years professional software engineering experience; Senior: 8+ years.
- Strong proficiency in C/C++ and Python in Linux environments.
- Practical experience with profiling, performance optimization, parallel programming and workload analysis.
- Solid system-level understanding (kernel/runtime behavior), strong debugging and problem-solving skills.
- English proficiency at C1 and a Bachelor/Master/PhD in CS, CE or related field.
- Desirable: RISC-V or vector assembly, CUDA/ROCm, LLVM/GCC experience, bare-metal programming, AI application familiarity and experience working near processor/accelerator hardware.

## Responsibilities

Develop and optimize system software, runtime frameworks, and kernel performance to ensure efficient AI application execution on advanced hardware. Collaborate with hardware and AI engineering teams to perform workload analysis, debugging, and software architecture design.

## Requirements

Requires 4 to 8+ years of software engineering experience with strong proficiency in C/C++ and Python within Linux environments. Candidates must possess expertise in system-level software, performance optimization, and parallel programming, with a degree in Computer Science or a related field.

## FAQ

- **Is this Software Engineer (Mid / Senior) role still open?** It was posted on 2026-10-01. Listings more than 30 days old may no longer be active, so check Hireroo's site before applying.
- **Does Hireroo offer visa sponsorship?** This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Hireroo's site.
- **Where is this role located?** The listing gives the location as Spain. It is marked on-site.
- **What skills does this role ask for?** The listing names: C, C++, Python, Linux, Kernel optimization, Parallel programming, Workload analysis, Performance tuning, System software, Debugging, Software architecture, Distributed systems, Processor architecture, RISC-V, CUDA, ROCm.

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## Notes for agents

- Apply on the employer's page (https://recruitment.hireroo.com/jobs/8488089-software-engineer-mid-senior). The Stack does not take applications.
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