10 hours ago
San Mateo, CA, USASenior
Base Salary
$243k - $295k/yr
Responsibilities
- Design and build high-performance services directly in the request data path.
- Migrate legacy proxy configurations to programmable services with parity testing and rollback capabilities.
- Improve traffic classification and automate mitigation of DDoS and abuse traffic.
- Build feedback loops that improve edge efficiency and reduce MTTR.
- Design, build, operate, and troubleshoot systems on Kubernetes, including node-level performance and resource isolation.
- Own production systems through on-call participation, code reviews, incident reviews, and reliability improvements.
- Collaborate with Networking, Security, Reliability, and Compute teams on infrastructure priorities.
- Establish high standards for code quality and architectural design.
Requirements
- 7+ years building and operating backend or infrastructure software, including ownership of a tier-0 production service.
- Fluency in a systems programming language; Rust is strongly preferred, while strong Go experience with willingness to learn Rust is accepted.
- Deep networking knowledge including TCP, TLS, HTTP/1.1, HTTP/2, QUIC, and at least one production Layer 7 proxy such as HAProxy, Envoy, NGINX, or Pingora.
- Experience troubleshooting live network problems and understanding kernel/userspace interactions.
- Experience tuning the kernel and with high-performance packet processing, including eBPF/XDP and kernel-bypass or kernel-path techniques.
- Ability to independently design, build, and operate Kubernetes systems end to end.
- Ability to write and defend technical design documents across multiple teams.
- Ability to use AI tools effectively for research, development, and troubleshooting while applying critical judgment.
Benefits
- Full-time employees are eligible for equity compensation and benefits.
- Office-based roles are onsite Tuesday, Wednesday, and Thursday, with optional presence Monday and Friday.
- For headquarters roles in San Mateo, California, the stated annual base salary range is $243,290–$295,250 USD.
Tech Stack
About Roblox
Roblox builds a platform for user‑generated 3D experiences, offering Roblox Studio for creators and a social marketplace where players explore and interact across devices. Its business model centers on virtual currency (Robux) and subscriptions, platform fees paid to creators, and an expanding advertising offering. Founded in 2004 and headquartered in San Mateo, California, Roblox Corporation is publicly traded on the NYSE under the ticker RBLX.