Roblox

Principal Software Engineer - Roblox Database

Roblox
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11 hours ago
San Mateo, CA, USAStaff+

Base Salary

$345k - $399k/yr

Responsibilities

  • Design and implement database engine features including indexing, storage formats, WAL and replication protocols, sharding, and query-planner enhancements.
  • Evolve the database control plane to support elastic scaling, autonomous healing, and zero-downtime schema or tenant moves across global regions.
  • Profile and optimize critical code paths using kernel-level tracing and advanced performance tooling to reduce tail latency.
  • Lead design reviews, performance benchmarks, failure drills, and post-incident retrospectives.
  • Build automation and frameworks for testing, CI/CD, rollout safety, observability, and autoscaling.
  • Mentor and unblock engineers and share database expertise across Storage, Platform, and product teams.
  • Contribute to the open-source community through upstream patches, presentations, and ecosystem influence.

Requirements

  • 12+ years of experience in software engineering or a relevant field.
  • Deep experience building and operating large-scale distributed databases or storage engines such as PostgreSQL, MySQL/InnoDB, RocksDB, Spanner, Aurora, or AlloyDB.
  • Deep expertise in database internals, including B-trees, MVCC, WAL, query optimization, and buffer management.
  • Strong programming skills in C, C++, Go, or Rust.
  • Hands-on experience with Raft, Paxos, and multi-region replication models supporting strong consistency and high availability.
  • Experience shipping high-QPS, low-latency services on Kubernetes or Nomad with comprehensive observability.
  • Ability to turn ambiguous product requirements into technical roadmaps and influence cross-functional stakeholders.
  • Passion for automation, rigorous testing, and data-driven decision-making.
  • Preferred qualifications include upstream contributions to PostgreSQL, RocksDB, or other open-source databases, and familiarity with disaggregated storage, HTAP workloads, or custom query languages.

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-based roles in San Mateo, California, the listed starting base pay range is $345,040–$399,420 annually.

Categories

Roblox

About Roblox

5,001-10,000 employees

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.

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