Principal Software Engineer (Backend), Communication

As a Principal Software Engineer, Communication, you’ll define service architecture that empowers safe and flawless ways for people to express themselves in different modalities better than in real life with Voice, Camera, and Text, at scale.

You will work with various teams (Game Engine, Safety, ML platform) and products including backend services working at high scale, data pipelines, ML models, and tools to ensure safe and civil multimodal communication experiences.

If you are an expert developer with a deep understanding of large scale systems and enjoy shaping engineering vision, you’ll be right at home within our highly-skilled and rapidly growing team.

You Will:

• Build the next gen software & systems to support Roblox's substantial user growth, while supporting the existing systems that can already handle millions of concurrent users. This may involve building backend services working at high scale, ML models, or tools to support our operation teams.
• Shape how the next generation of internet users interacts safely in the metaverse
• Define and build platform features to support product teams across the company in ensuring safety in every aspect of real time communication at Roblox.
• Collaborate with product and design to push the boundary of what is possible.
• Use the best programming practices, optimizing code to be performant
• Help recruit future talent for the team

You Have:

• Fluency in backend software development
• Proficiency in Microsoft SQL Server, MySQL, PostgreSQL or other database technology at scale
• 8+ years proven experience building and supporting highly available and large-scale distributed fault tolerant services in production environments
• Experience with low-level operating systems concepts including multi-threading, memory management, networking and storage, performance and scale
• Experience in networking protocols (HTTP, UDP, GRPC, Web Sockets)

Nice to Have:

• Experience orchestrating and integrating ML models with product use cases
• Familiar with Python, C#, TypeScript, Lua, or Go
• 2+ years of experience using big data query/processing languages and tools such as SQL, Hive, Spark and Airflow

You Are:

• Responsible: you build systems that work and keep on working optimally. You are thorough in your designs, meticulous in handling potential failure cases, and diligent in automated testing.
• Analytical: Excited to investigate large, ambiguous problems, and quantify the problems and the solutions.
• Versatile: you’re a generalist and you have mastered one or more object oriented languages and technologies already; you can easily adapt to any situation when the need emerges and come up with the right solution.
• Creative: You take a creative and strategic approach to solving hard problems and driving new tools/functionality for our end users and game developers
• Team-oriented: You are able to work well as part of a team and know how to collaborate with all participants to develop the best solutions. Able to write clear design specs, mentor junior engineers, and guide projects from beginning to end
• Data-driven: focused on quality metrics and monitoring
• Experienced with a Bachelor's degree (or equivalent professional experience) in Computer Science or related engineering field with at least 8 years of hands-on experience