about 14 hours ago
Seattle, WA, USA +2 moreMid Level / Senior
H1B Sponsor
Base Salary
$180k - $225k/yr
Responsibilities
- Design and build the sandboxing platform, client library, and API surface for secure code execution.
- Ensure strong isolation, security, and reproducibility of execution across user sessions and workloads.
- Optimize for cold-start latency, memory footprint, and resource utilization at scale.
- Drive down error rates through systematic debugging, monitoring, and proactive fixes.
- Partner closely with internal teams to understand their needs and debug issues.
- Respond to incidents and production issues with urgency, conducting root cause analysis.
- Help develop and maintain a product roadmap for sandboxing.
- Lead architecture reviews and own projects end-to-end.
Requirements
- 4+ years of experience building high-performance systems software.
- Deep understanding of Linux internals, including process isolation and memory management.
- Experience with containerization and virtualization technologies like Docker and QEMU.
- Proficiency in a systems programming language such as Go, Rust, or C/C++.
- Strong debugging skills and ability to navigate performance/security tradeoffs.
- Comfort with ambiguity and ability to context-switch between incident work and product development.
Benefits
- Comprehensive health, dental, and vision coverage.
- Retirement benefits.
- Learning and development stipend.
- Generous PTO.
- Potential commuter stipend.