Principal Language Design & Compiler Software Engineer

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 Principal Software Engineer on the Roblox Programmability team, you will work with us on software ecosystem development of the embedded scripting languages in the Roblox engine while working with the Engineering Director.

Our Programmability team is at the heart of developing the software ecosystem for embedded scripting languages within the Roblox engine.

To help developers on the Roblox platform to build tomorrow's top games, they require more than a functional scripting environment-they need sophisticated programming interfaces, a robust set of script libraries, comprehensive development tools, and an ultra-fast, multithreaded runtime.

Join our team to guide the evolution of a new suite of programming interfaces and sophisticated tooling features that millions of developers will use daily.

As a member of our Game Engine Programmability team, you will play an important role in this process.

You Will :

• Contribute to the design and development of programming models that improve script scalability across multiple CPU cores and different systems
• Develop prototypes to validate designs against realistic use cases, ensuring they meet our performance and functionality standards
• Own new feature development from concept and prototyping through to deployment and maintenance
• Improve the adaptability and performance of existing components
• Collaborate with engineers across engine and partner teams to build collaborative solutions

You Have :

• Over 10+ years of experience developing and deploying user-facing software products
• A Bachelor's degree in Computer Science
• Proficiency in C++ and an understanding of parallel / concurrent programming concepts
• Experience with API and tool development, game development, distributed systems, and Lua / Luau programming
• A grasp of industry standards, best practices, and design patterns
• The Experience approaching a problem from different angles, analyzing pros and cons of different solutions and approach problems from multiple perspectives, weighing the advantages and drawbacks of different solutions

You Are :

• Enthusiastic about creating software programming environments for game developers, eager to apply insights from multiple programming ecosystems to our scripting environment
• Reliable, developing systems that are not just effective but also resilient over time
• Inquisitive, constantly learning and keeping abreast of the latest trends in scripting languages and programming environments

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

$331,640-$383,910 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
• 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.