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Principal Machine Learning Engineer, Alt Defense
Technical lead for Roblox's Alt Defense pod, architecting large-scale ML systems (graph neural networks, clustering) that detect banned bad actors returning with alternate accounts across billions of accounts, in near real time. Onsite in San Mateo, working with Python-scale ML, big data, and low-latency serving.
Senior Data Scientist, Engine Infra
Senior Data Scientist on Roblox's Engine Infra team, defining metrics and telemetry for the game-server (RCC) fleet and edge compute, building analytics pipelines and dashboards, and leading experiments and causal analyses to improve fleet efficiency, reliability, and player experience at scale.
Senior Software Engineer, Automation Tools
Senior engineer on Roblox's App Test team building the test automation platform behind the Roblox Universal App — frameworks, runners, orchestration services, device-farm infra, and dashboards for end-to-end testing across mobile, desktop, console, and VR, with a push toward AI-native test authoring, selection, and failure triage. Core tech: C++, Python, or Go, plus CI/CD and AI/LLM tooling.
Senior Software Engineer - Traffic Proxy
Senior systems engineer on Roblox's Traffic Proxy Services team, building and operating the global edge network and high-performance Layer 7 proxies (Rust on Kubernetes) that handle billions of daily web/API requests and defend the platform against DDoS and large-scale automated abuse.
Senior Security Software Engineer, Sandbox Platforms
Roblox is hiring a senior security engineer to design, build, and harden process sandboxes that isolate untrusted code on Linux, macOS, and/or Windows. Day to day you'd work with platform sandboxing primitives (seccomp, namespaces, Seatbelt, AppContainer), minimize attack surface, write threat models, and do systems programming in C, C++, or Rust.
Principal Software Engineer, Ads User Experience
Principal software engineer building Roblox's first-of-its-kind ads system inside its C++ game engine — developing new ad formats starting with video, and designing high-performance, scalable systems that shape a new multi-billion-dollar ads business while preserving user experience and platform integrity.
Principal Client Platform Engineer
Roblox is hiring a Principal Client Platform Engineer to act as the technical architect for its global fleet of macOS, Windows, Linux, Android, iOS, and ChromeOS endpoints. Day to day they define fleet security/management strategy, automate patching, OS upgrades and certificate lifecycles, harden endpoint security with tools like CrowdStrike and Kolide, and mentor engineers.
Principal Endpoint Platform Engineer
Serves as the technical architect for Roblox's global corporate endpoint fleet (macOS, Windows, Linux, iOS, Android, ChromeOS), defining strategy for scaling, security, and automation — patching, OS upgrades, certificate lifecycles, and observability tools like CrowdStrike and Kolide. Core tech: endpoint management platforms (Jamf Pro, Intune), Python/Bash/Go/Ruby, IaC/GitOps, Okta Zero Trust, and
Software Engineer, Account Security
Software engineer on Roblox's Account Security team builds features to prevent, detect, and mitigate account takeovers, owning work end to end across the stack in Go, Python, TypeScript, and Lua while using A/B tests and metrics to guide decisions. Based onsite in San Mateo within the Safety organization.
Security Engineer, Kubernetes
Security engineer on the team protecting the Kubernetes platform running X and SpaceXSI: probing clusters for privilege-escalation and pod-breakout attack paths, fixing overprivileged workloads, hardening identity/secrets and supply chain, and building security tooling (including AI-assisted analysis) in Go, Python, or Rust.
Software Engineering Manager - Network Transport
Engineering manager role at Roblox leading the Engine Networking team — owning architecture, execution, and career growth of engineers building real-time state synchronization and asset streaming/delivery systems. Core tech: C++, Linux networking, congestion control/QoS, CDNs, caching, and multithreaded client/server systems at global scale.
Software Engineering Manager - Engine Networking
Leads Roblox's Engine Networking team, which delivers real-time game state and content for seamless multiplayer experiences to millions of daily players. The manager owns roadmaps end to end, stays hands-on with C++ coding and architecture review, and hires and coaches engineers building low-latency networking at massive scale.
Principal Software Engineer - Avatar Personalization
Principal engineer on Roblox's Avatar Personalization team, building avatar creation and customization features (animation, clothing, hair, shading) directly in the Roblox game engine using C++ and Lua, with technical leadership and cross-team architectural work at scale for tens of millions of users. Onsite in San Mateo Tue-Thu.
Senior Software Engineer, Creator Services Translation
Senior engineer on Roblox's Creator Services Translation team, designing and building highly scalable distributed backend systems for the localization pipeline (text, image, audio detection, translation, serving, rendering). Full-stack work spans client, game engine, backend services, and ML models, using C#, C++, Go, or Python with microservices.
Product Designer
Product Designer on Roblox's internal Roblox Operating System (ROS) team, designing unified internal productivity and analytics tools, including AI/LLM-powered agentic workflows. Day to day: end-to-end UX in Figma, partnering with PMs and engineers to turn dense data and complex workflows into elegant internal tools.
Principal Product Manager, Subscriptions and Revenue Growth
Senior product leader at Roblox owning the end-to-end strategy and roadmap for Roblox Premium subscriptions — defining subscriber value proposition, tiering, and pricing, running growth experimentation to drive acquisition and retention, and building developer-led subscription benefits. Requires deep consumer subscription/growth PM experience, A/B testing expertise, and cross-functional influence.
Principal Software Engineer- Agentic Customer Care
Principal engineer on Roblox's Trust & Safety 'Safety Experience' team, building agentic, LLM-powered applications and chatbot solutions for customer-facing and internal safety systems at scale. The role provides technical leadership and mentoring, working with C#/Java/Python, microservices, REST/RPC, and machine learning.
Senior Product Manager, UGC Marketplace
Senior Product Manager owning Roblox's avatar UGC Marketplace creator ecosystem: building and shipping creator-driven products, managing supply health of a two-sided marketplace, and growing core economy metrics in partnership with engineers, designers, and data scientists. Based onsite in San Mateo, CA.
Principal Software Engineer, Build Platform
Principal engineer setting the technical direction for Roblox's Build Platform — the cloud-hosted agent harness, tools/skills, and evaluation framework behind AI-powered game creation. Day-to-day spans designing distributed agent infrastructure, LLM orchestration and multi-provider model routing, sandboxed execution, evals at scale, and reliability/safety/cost systems.