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 User Group's mission is to enable 1 billion+ people to connect, play, learn, and work together by providing intuitive, delightful products that unlock access to civil, social, and high quality co-experiences.

As a Principal Engineer on the Lua Foundation Team, you will build and own cross-team, cross-group strategic initiatives and alignment for Lua libraries, frameworks and tools married to the underlying native (compiled) Roblox engine; You will focus on DORA measurement, enforcement, quality, and efficiency for hundreds of internal Roblox Engineers; You will also mentor team members, drive projects and make meaningful contribution to all team initiatives across code, documentation, publishing (newsletters), and technical presentations.

If you love focusing on the User, enjoy increasing quality and performance across user-facing applications, and are excited to improve the lives of creators and players on Roblox's platform, you'll be right at home with our growing team. You will report to the Engineering Manager on the Lua Foundation team.

You Are:

  • A Tech Lead with 7+ years hands-on experience in interpreted languages (Javascript/Typescript, Python, Lua).

  • An Expert in project/program management, ideally Lean/Agile, with the ability to create and align teams to a multi-year strategy, and execute on that strategy on-budget in an incremental way and with experience in managing and driving a portfolio of technical projects across multiple teams for multiple quarters;

  • A Domain Expert with deep understanding of the impact of queueing, testing, type-safety, linting, and developer tooling on overall Engineering efficiency;

  • Curious and Excited in learning new languages and technologies. You will work on a React inspired UI platform that powers the Roblox game engine;

  • Test-Motivated: You hold the bar on good test coverage and quality at the same time you are writing code. You understand that stability in layers above you start with your team's work;

  • Adaptable: You can shift focus and enjoy working outside your comfort zone;

  • Team Player: You work with and inspire others around you, taking on tasks for the greater team.

You Will:

  • Focus on making engineers more efficient, make things work faster: enabling entire team's performance increase

  • Have unique opportunity to increase Roblox engineering efficiency, quality, and performance across all user-facing Roblox applications

  • Work to improve the lives of our creators and players on the Roblox platform

  • Build the "right" long-term solutions to problems through lower-risk, incremental delivery

  • Organize and take ownership of projects throughout its full lifecycle.

  • Work with numerous teams to build the world's best applications.

You Have:

  • 7+ years experience in interpreted languages (Javascript/Typescript, Python, Lua).

  • Deep understanding of VM construction, garbage collection, type inference and safety, JIT, and hot-path optimizations.

  • Experience with 1 or more compiled languages (e.g. C, C++, Rust, C# AOT).

  • Project/program management experience, ideally Lean/Agile.

  • Experience creating and aligning teams to a multi-year strategy, and execuiting on that strategy on-budget in an incremental way.

  • Experience managing and driving a portfolio of technical projects across multiple teams for multiple quarters/

  • Strong understanding of the impact of queueing, testing, type-safety, linting, and developer tooling on overall Engineering efficiency.

You’ll Love:

  • Industry-leading compensation package

  • Excellent medical, dental, and vision coverage

  • A rewarding 401k program

  • Flexible vacation policy

  • Roflex - Flexible and supportive work policy

  • Roblox Admin badge for your avatar

  • At Roblox HQ:

    • Free catered lunches five times a week and several fully stocked kitchens with unlimited snacks

    • Onsite fitness center and fitness program credit

    • Annual CalTrain Go Pass

Roblox provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.