Senior Software Engineer - Storage Cache

Location: San Mateo, California, United States; office-based roles require onsite presence Tuesday through Thursday, with optional presence Monday and Friday.

Salary: $243,290–$295,250 USD annually, plus equity compensation and benefits.

Company

Roblox builds tools and platform infrastructure for creating and operating 3D digital experiences used by a global community.

What you will do

• Lead the architectural transition to a next-generation multitenant caching service built on ValKey.
• Ensure strict data, resource, and failure isolation across tenants.
• Optimize distributed cache systems to mitigate head-of-line blocking, manage hot keys, and improve CPU and memory utilization.
• Build frameworks for development automation, chaos testing, fault and latency injection, monitoring, and elastic scaling.
• Lead design reviews, performance benchmarks, failure drills, and blameless post-incident retrospectives.
• Mentor engineers and collaborate across the Storage, Platform, and Product teams.

Requirements

• At least 6 years of hands-on software engineering experience and a BS degree in Computer Science or equivalent professional experience.
• Deep expertise in building and operating large-scale distributed systems.
• Experience running active/active distributed systems on Kubernetes or Nomad.
• Strong hands-on programming experience in Go and C++.
• Experience resolving large-scale distributed-system bottlenecks and partial failures.
• Hands-on experience with observability tools such as Prometheus, Grafana, AlertManager, or Kibana.

Nice to have

• Contributions to or maintenance of Redis, ValKey, Memcached, or other major open-source caching projects.
• Experience with Redis modules in C or Rust, complex Lua scripting, or jemalloc tuning.
• Experience with caching proxies such as Twemproxy or Envoy Redis filter.
• Experience designing complex multi-tier caching architectures.

Culture & Benefits

• Work on mission-critical infrastructure targeting 99.99%+ availability.
• Collaborate across Infrastructure Storage, Platform, and Product organizations.
• Full-time employees are eligible for equity compensation and benefits.
• Roblox provides equal employment opportunities and reasonable recruiting accommodations.

Hiring process

• Design reviews, performance benchmarking, failure drills, and technical evaluation are relevant parts of the role.
• For US-based roles, certain US visa categories may not be supported, and future H-1B sponsorship may not be available.