# Senior Software Engineer - Performance
**Company:** [Zoox](https://hotfix.jobs/companies/zoox)
**Location:** Foster City, CA, Seattle, WA, Boston, MA, San Diego, CA
**Salary:** $217K-$307K
**Experience:** 6+ years
**Skills:** C++, Linux, Perf, Ebpf, Perfetto, Profiling, Benchmarking, Cpu Architecture, Real-Time Systems, Kernel Development
**Posted:** 2026-04-23
> Senior performance engineer instruments, monitors, analyzes, and optimizes performance-critical algorithms in real-time self-driving systems. Requires 6+ years experience with C++, large codebases, profiling complex multi-process systems like robotics or game engines.
## Job Description
## Responsibilities
- Build real-time instrumentation for performance monitoring of the system as well as benchmarking frameworks to support offline performance evaluation.
- Create performance-optimization workflows (quick iteration loops) to evaluate and analyze performance at scale.
- Analyze profiling data to identify resource utilization hotspots and optimization opportunities.
- Propose and co-implement actionable solutions with software component teams.
- Support teams in helping to squeeze out the maximum performance of their code, while minimizing resource contention.

## Qualifications
- 6+ years of professional experience in software development or related fields
- Hands-on experience in the development, debugging, and profiling of complex multi-process real-time systems, like game engines or robotics systems
- **Strong knowledge of C++** and experience in large code bases
- Familiar with CPU system architecture and OS fundamentals
- Good communication and organization skills, with a logical approach to problem-solving, good time management, and task prioritization skills

## Bonus Qualifications
- Experience using various **Linux performance monitor tools**, such as **perf**, **eBPF**, **Perfetto**
- Kernel and/or driver development experience
- Experience with software & hardware benchmarking and **Hardware-in-the-Loop (HIL)** systems
**Apply:** https://hotfix.jobs/jobs/senior-software-engineer-performance-at-zoox-3ac7d98f-0b5e-4f5e-a81c-e9fefd4695ac
**Canonical:** https://hotfix.jobs/jobs/senior-software-engineer-performance-at-zoox-3ac7d98f-0b5e-4f5e-a81c-e9fefd4695ac