Senior Software Engineer, Data Infrastructure

<div class="content-intro"><p><span style="font-weight: 400;">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. </span></p> <p><span style="font-weight: 400;">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.</span><strong> </strong><span style="font-weight: 400;">We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. </span></p> <p><span style="font-weight: 400;">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.</span></p></div><p><span style="font-size: 10pt;">Roblox's data infrastructure processes petabytes of data daily, powering analytics, ML, and product decisions. As a <strong>Senior Software Engineer</strong> in our <strong>Data Infra</strong> org, you will design, build, and scale the distributed data infrastructure platforms that power Roblox. You will own and drive the next-generation architecture of our core platforms, which span Kafka, Flink, Spark, Trino, Druid, Airflow and Data Catalog. This role combines high ambiguity and ownership to push the boundaries of what our infrastructure can handle at massive scale, giving you the unique opportunity to steer the evolution of the data landscape.</span></p> <h2><span style="font-size: 10pt;"><strong>You Will:</strong></span></h2> <ul> <li style="font-size: 10pt;"><span style="font-size: 10pt;"><strong>Own and Scale Core Platform Components:</strong> Take responsibility for the design, architecture, and implementation of 1–2 key data platform frameworks within our stack</span></li> <li style="font-size: 10pt;"><span style="font-size: 10pt;"><strong>Collaborate and Align:</strong> Partner with infra, data science, and product engineering teams to ensure your target platform's capabilities are directly guided by platform governance and product requirements.</span></li> <li style="font-size: 10pt;"><span style="font-size: 10pt;"><strong>Optimize Performance at Scale:</strong> Dive deep into engine internals, query planning, state management, memory optimization, serialization efficiency to maximize throughput and reliability under heavy load.</span></li> <li style="font-size: 10pt;"><span style="font-size: 10pt;"><strong>Drive Infrastructure Robustness:</strong> Lead the design, testing, and operational lifecycle of next-generation infrastructure features running on Kubernetes across cloud environments.</span></li> <li style="font-size: 10pt;"><span style="font-size: 10pt;"><strong>Agentic Interface: </strong>Embed AI/ML capabilities within our data platforms, leveraging LLMs for data discovery and generation, building autonomous, self-serve mechanisms for platform interaction layer.</span></li> </ul> <h2><span style="font-size: 10pt;"><strong>You Have:</strong></span></h2> <ul> <li style="font-size: 10pt;"><span style="font-size: 10pt;">5+ years of experience building, designing, testing and maintaining production-grade, large-scale distributed systems.</span></li> <li style="font-size: 10pt;"><span style="font-size: 10pt;"><strong>Data Platform Depth:</strong> Deep technical experience building or strong familiarity with <strong>at least 1 or 2</strong> foundational technologies within our stack: Kafka, Flink, Spark, Trino, Druid, Airflow, or Data Catalog/Metadata systems.</span></li> <li style="font-size: 10pt;"><span style="font-size: 10pt;"><strong>Strong Engineering Foundations:</strong> Robust proficiency in <strong>Java, Go, or Scala</strong>, with a track record of writing clean, highly performant backend code.</span></li> <li style="font-size: 10pt;"><span style="font-size: 10pt;"><strong>Cloud Fluency:</strong> Experience operating and trou