Senior Data Center Cooling Systems Engineer in San Mateo

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Discovery UX team works closely with various product and engineering teams across Roblox to both improve the user journey from landing on the Roblox homepage to entering an experience, as well as allow developers to connect with the right audience. We primarily work on Home, Search, Charts and the Experience Details pages, for both the Roblox website and app. As a Senior Frontend Software Engineer, you will craft robust, extensible systems for high-traffic surfaces including the Roblox homepage. You will drive solutions using React and other technologies, helping us to build components quickly and efficiently across devices. If you have a deep understanding of frontend technologies and a passion for refining client-server interaction, you will be right at home with us! This role reports to the Engineering Manager on the Discovery UX team. You Will: Design, build and ship features to improve the user journey for millions of users Work with Engineering, Product, Design and Data partners to match developers with the right audience Architect universal solutions for delivering features across a range of platforms and devices Drive UX improvements through data-driven decisions and A/B testing

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. We are seeking an experienced Senior Software Engineer with a deep background in 3D computer graphics and engine development to join the ML Data Pod within the Foundation AI team. In this role, you will build the foundational infrastructure that powers our next-generation AI capabilities. As the AI landscape rapidly shifts toward spatial and 3D generation, high-quality data has become the ultimate bottleneck. You will be instrumental in solving this challenge by unlocking the Roblox engine as a massive, scalable platform for synthetic data generation. This is a unique opportunity to bridge the gap between cutting-edge AI research and low-level engine architecture. You will be navigating unmapped territory—shaping how we represent and structure complex 3D data (such as meshes, materials, lighting, and scene graphs) to effectively train state-of-the-art 3DGen models. Ultimately, the synthetic pipelines you architect will directly fuel the frontier AI models that will define the future of immersive 3D content creation for millions of creators worldwide. Responsibilities Synthetic Data Generation: Spearhead initiatives to leverage the Roblox engine to procedurally generate the massive, hi

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The mission of the Foundation AI group is to enable Roblox Creators to accelerate their workflows and to put GenAI in the hands of millions of users. We envision a future in which experiences on Roblox leverage generative text and speech capabilities to enable new forms of interaction, generative 3D and 4D capabilities to enable new ways to create, and generative video to give creators a level of visual fidelity and motion that has never been available at this scale. We shipped our 3D foundation model, which takes text prompts as input and generates production ready 3D objects and worlds. We are now building the Roblox Video Model; the Super Upsampler at the heart of Roblox Reality, our hybrid architecture that pairs the structured simulation of the Roblox Game Engine and Roblox Cloud with the photorealism of Video World Models. The engine stays the source of truth for the data model: state, physics, collision, logic, and multiplayer consistency. The video model generates the pixels: higher fidelity textures, realistic lighting, secondary motion, fluid dynamics, and the unscripted detail of a real world. A world model paired with our engine, enables persistent, multiplayer, photorealistic w

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Compensation Programs Senior Analyst, you will focus on running the cyclical compensation cycles, identifying opportunities for automation and process improvements, and re-engineering of our compensation programs and systems. You will be the go-to expert for data analysis and delivering actionable insights to senior leadership. Your role will involve driving operational and organizational optimizations. If you're passionate about working with data, developing innovative models, and diving deep into compensation strategies, this position is for you. This role will report to the Director of Compensation Programs, Operations and Systems. This role is hybrid and located in San Mateo, California. You Will: Be responsible for development, design, planning and project management of compensation programs, policies and processes. Lead the development and implementation of global compensation programs, particularly bi-annual compensation review cycles Work closely with cross functional teams in identifying processes, programs or capabilities that could benefit from automation, process enhancements or re-engineering to optimize performance and future growth opportunities Implement compensat

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Roblox’s database team develops the next-generation, multi-tenant database platform that elastically scales and underpins every online data workload at Roblox. As a senior engineer on the database team, you will shape the architecture, build and launch critical database capabilities that keep our services fast, reliable and efficient at global scale. You will report to the Technical Director for Storage. You will: Design and implement new engine features —indexing, storage formats, WAL and replication protocols, sharding, and query-planner enhancements—that push latency, throughput, and availability boundaries. Evolve the control plane to deliver 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; drive systematic tail-latency reductions. Establish engineering best practices by leading design reviews, performance benchmarks, failure drills, and post-incident retrospectives. Automate everything : develop frameworks for testing, CI/CD, rollout safety, observability, and autoscaling so that the platform operates hands-off at sc

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Roblox is looking for a Senior Director, Privacy, Product and Platform Security to lead the teams responsible for protecting the systems, products, services, and data that power the Roblox platform. This is an opportunity to define how security and privacy are engineered into one of the world’s largest and most ambitious platforms. You will work on problems that span product design, distributed systems, infrastructure, data, privacy, and emerging technology—helping protect the data and systems relied on by tens of millions of users and creators. You will bring Product Security, Platform Security, and Privacy Engineering together around a unified vision to protect the confidentiality, integrity, and availability of Roblox’s products, infrastructure, and data systems. The role will partner closely with Engineering, Infrastructure, Product, Legal, Privacy, Compliance, and other business leaders to make security and privacy durable properties of how Roblox designs, builds, deploys, and operates. Reporting to the Chief Information Security Officer, you will oversee a high-impact organization of security engineering leaders and senior individual contributors. You will operate as a peer to Infrast

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Why User Behavior? You will build the backend systems that fundamentally shift how Roblox responds to unsafe behavior - from reactive, stateless punishment to a personalized, adaptive system that reflects who a user actually is. You will own core backend infrastructure for a new capability at Roblox: a low-latency behavioral data layer, a centralized rules-and-inference engine, and a unified intervention-delivery framework that together let us treat users based on their real risk profile instead of a single point total. This is a rare opportunity to build foundational, high-scale systems that directly shape how Roblox understands and responds to risk across hundreds of millions of users. You will feel a deep sense of responsibility building systems that directly affect millions of users, especially minors, on one of the world's largest platforms. Your work will reduce harm, improve fairness, and help ensure Roblox remains a place where creativity and community can thrive safely. You will: Build the User Behavior Foundation: Design and operate the low-latency, per-user behavioral data layer that powers real-time safety decisions - aggregating signals like violation history, in-game reports,

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Creator Content Team provides a secure, scalable, and extensible foundation for ingestion, processing, storing, managing, and serving user content. As a Senior Software Engineer (Backend, Distributed Systems), you will design and build backend services to help game creators reach the broadest audience possible. You will help us build & scale large distributed systems, data processing and analysis pipelines, an access control system, Open Cloud APIs all of which are central for all content created in Roblox. You have: Experience: You have 7+ years of experience working on backend, distributed systems that are scalable and reliable. You have experience in architecting, designing and leading implementation of mission critical applications at scale. Knowledge: You are proficient in one or more programming languages (C#, Go, Java, C++, Python or similar programming language). You have a Bachelor's degree (or equivalent professional experience) in Computer Science or related engineering field, Masters is a plus. Creativity: You take a creative and strategic approach to solving hard problems and envisioning ways to improve and grow the capabilities of the system. You hav

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. What You’ll Do: In this Senior Frontend Engineering role, you will be a key contributor in shaping the future of Roblox’s application surfaces. You will develop the architecture and technical direction of our frontend stack for consumer-facing surfaces, working across teams and technology platforms to ensure our solutions are universal and scalable​. This role would require defining how all our frontend pieces fit together, how data flows through the client, and how we can build features faster and more reliably. You will have the opportunity to work with modern frameworks and also dive into our custom Luau-based tech, bridging the best ideas from the web ecosystem into Roblox’s unique environment. If you are excited by the idea of creating the foundation on which dozens of engineers will build new features – and doing it in a way that delights our end-users with speed and stability – then this role will be perfect for you. Join us and help build the frontend platform that underpins the metaverse! Together, we’ll enable incredible new experiences for our users and a productive, joyful development experience for our engineers. You Have: Bachelor’s degree in Computer Science or a relate

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Backend Engineer on the User Communities team, you’ll own the backend systems that power social engagement features (Announcements, Forums, Polls, Roles & Permissions systems) for millions of players and creators on Roblox. Your day-to-day will focus on building and scaling the infrastructure that makes both in-experience and on-platform communication and player engagement fast, safe, and reliable. That means driving architectural decisions, reasoning through trade-offs, influencing stakeholders, championing user-first safety standards, and defining developer-facing APIs so creators can build richer experiences. You'll work closely with frontend and backend engineers, product, design, and data scientists across teams, and you'll have real influence over our technical and product direction. If you're an experienced engineer who gets excited about large-scale distributed systems and wants to shape the way millions of people connect inside virtual worlds, we'd love to talk. You Will: Shape the backend engineering culture across the Communities team. Your influence extends beyond your immediate pod to improve how we build, review, and ship software across the entire org. Act as

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. The Consumer Platform team owns the mobile app foundation that makes Roblox feel fast, fluid, and reliable for millions of players and is dedicated to delivering superior performance, reliability, and user experience on all platforms Roblox runs on. This team is building a seamless and engaging user interface that facilitates intuitive interactions, and maintains high performance & reliability standards. We're hiring an exceptional Senior iOS engineer to help us push the bar even higher. You will: Shape & improve the iOS experience on Roblox Lead architecture and implementation on a large, evolving Swift/Objective-C codebase Push the platform forward by adopting the latest iOS, hardware, and iOS capabilities. Partner deeply with product, design, and data science You have: 3+ years of leading the design and delivery of mobile features at scale. BS/MS in Computer Science, Engineering, or equivalent experience. Deep, hands-on expertise in Swift and Objective-C, with a real point of view on modern iOS architecture (Swift Concurrency, SwiftUI/UIKit interop, modularization). Experience working in very large codebases with many contributors. You know how to ship safely, instrument we

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Experience LiveOps builds the runtime tools creators use to operate and tune their live experiences — without shipping a code release. Our surfaces include Remote Configs (targeted, scheduled, and AI-assisted configuration), A/B Experimentation with real metrics and early harm detection, audience Segmentation , and Open Cloud / public APIs that expose all of it programmatically. As a Software Engineer on the team, you’ll work full-stack — across our backend services and the creator-hub web app (TypeScript/React) — to ship features that let every creator run live-ops the way large studios do: safely, and at platform scale. You’ll own meaningful pieces from day one and work closely with senior and principal engineers, our PM, and design. Join us and give the entire creator community live-ops superpowers. You Will: Build and ship features across ELO’s config, experimentation, and segmentation surfaces — backend services and the creator-hub UI. Own projects end-to-end (spec → launch) with support from senior/principal engineers on the team. Partner with PM, design, DSA/Discovery, and Data Platform to deliver high-quality, w

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Software Engineer on the Privacy Infrastructure team, you’ll design and build large-scale systems that operate across Roblox’s platform and data ecosystem. You’ll tackle complex distributed systems challenges, develop reliable and scalable infrastructure, and work across engineering teams to deliver foundational capabilities that serve millions of users. This is an opportunity to take on high-impact technical problems at Roblox scale while helping shape the next generation of our infrastructure. You Will Design, build, and scale reliable infrastructure and platform solutions that protect user data and support the needs of a global platform. Develop foundational capabilities for emerging technologies, including agentic AI workflows, with a focus on safe and responsible data access. Partner with engineering teams across Roblox to integrate scalable data protection capabilities into their systems and development workflows Drive technical strategy and architecture for complex, cross-cutting challenges spanning data, infrastructure, privacy, and security. You Have 7+ years of proven experience as a software engineer. Expertise in Python or Golang; Strong understanding of system

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Senior Director, Generative AI About the Role Roblox Build is our generative creation product, the platform where creators design, build, and publish 3D experiences. We are looking for a Senior Director of Generative AI to lead the Applied AI organization inside Build, responsible for turning state-of-the-art foundation models into high-quality, reliable creation systems at Roblox scale. This leader will own the full applied AI stack: model strategy and routing, model adaptation and fine-tuning, code generation (CodeGen), 3D layout generation (LayoutGen), and the evaluation science and infrastructure that tells us what actually works. You Will Own model strategy and routing for Build. Design and build an intelligent model layer that selects the right model for each creation task based on quality, capability, latency, cost, and safety, leveraging both frontier models and Roblox-adapted open-source models. Lead model adaptation across the Applied AI org, including fine-tuning, distillation, synthetic data generation, human feedback pipelines, and preference optimization for Roblox-specific creation tasks such as Luau code generation and 3D scene understanding. Drive CodeGen capabilities

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Senior Software Engineer working on Ads Experience, you will build a brand new advertising experience for our advertisers and publishers. This team will provide advertisers with tools to run successful ad campaigns as well as provide publishers the tools to build revenue streams from immersive ads. You will be part of the team building a brand new experience for Advertisers and Publishers that will be critical to our Immersive Ads future. You will report into our Engineer Manager. As a Senior Frontend Software Engineer, you will craft robust, extensible systems for high-traffic surfaces across our Ads products. You will drive solutions using React and other technologies, helping us to build components quickly and efficiently across devices. If you have a deep understanding of frontend technologies and a passion for refining client-server interaction, you will be right at home with us! You Will: Design, build and ship features to improve the user journey for millions of users Work with Engineering, Product, Design and Data partners to match developers with the right audience Architect universal solutions for delivering features across a range of platforms and devices Drive UX impr