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.

You will work with us on the design and implementation of Luau, the embedded scripting language in the Roblox engine. Developers on the Roblox platform rely on our team to deliver a comprehensive set of development tools, an ultra-fast multithreaded runtime, and a state of the art gradual type system to power those development tools. Positively impact the lives of millions of developers daily by improving the design, performance, safety, usability, and accessibility of their developer tools. You will report to the Game Engine Programmability team.

You Are

Passionate about developing software development environments, especially for game developers. Proficient in C++ and familiar with a variety of significantly different programming languages Think exposure to different paradigms, not just half a dozen flavors of Java. Useful to have: experience working with and/or implementing more sophisticated type systems (OCaml, Haskell, Idris, TypeScript, Flow), experience developing APIs and tools, game development, Lua or Luau programming knowledge and compiler development experience Responsible: You build systems that work and keep on working optimally.

You Will

Help our team continue to develop an innovative gradual type system for Luau that leverages key ideas from the past few decades of programming languages research including semantic sub-typing, e-graphs, and type functions  Develop new language features that extend the realm of what’s possible and what’s productive for our creators while retaining Luau’s identity as a language built around small, powerful and reusable primitives Improve the usability of the type system for all users, ranging from beginners who are unfamiliar with what types even are to professional developers with decades of experience. Collaborate with engineers across several engineering organizations ranging from the teams developing Roblox’s application in Luau to the teams developing the Roblox Studio IDE for creators to the engine itself.

Please note the Company may not be able to employ candidates who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.

For roles that are based at our headquarters in San Mateo, CA: The starting base pay for this position is as shown below. The actual base pay is dependent upon a variety of job-related factors such as professional background, training, work experience, location, business needs and market demand. Therefore, in some circumstances, the actual salary could fall outside of this expected range. This pay range is subject to change and may be modified in the future. All full-time employees are also eligible for equity compensation and for benefits.

Annual Salary Range$150,120—$150,120 USD

Roles that are based in our San Mateo, CA Headquarters are in-office Tuesday, Wednesday, and Thursday, with optional in-office on Monday and Friday (unless otherwise noted).

You’ll Love: 

Industry-leading compensation package Excellent medical, dental, and vision coverage A rewarding 401k program Flexible vacation policy (varies by exemption status) 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. Roblox also provides reasonable accommodations for all candidates during the interview process.