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.
At Roblox, we're on a mission to empower creators to build and share immersive experiences. As a member of the Roblox Studio team, you’ll be working on the most popular tool for game development in the world. Our Studio team is seeking an exceptional Machine Learning Engineer to push the boundaries of AI-assisted game development.
You'll improve the capabilities of Roblox Assistant and Code Assist, crafting the future of how games are built on our platform. Your work will directly impact millions of creators and players worldwide.
You Will:- Advance Roblox Assistant's Reasoning: Pioneer innovative ways to improve our AI's ability to handle complex prompts. This may involve architecting novel models or fine-tuning innovative language models on diverse, large-scale datasets.
- Specialize LLMs for Roblox: Lead efforts to fine-tune large language models on Roblox's unique data model, tailoring innovative AI to our specific ecosystem. Your work will bridge the gap between general-purpose LLMs and the niche needs of interactive content development.
- Elevate Scripting Quality: Innovate on our Lua code data pipeline, developing sophisticated quality signals to ensure premier script generation.
- Deep expertise in PyTorch or equivalent ML frameworks.
- Proficiency with distributed data processing systems like PySpark.
- Proven track record of deploying ML systems to production at scale.
- Strong understanding of transformer architectures and their applications.
- 3+ years of experience building ML systems / applications.
- A passion for game development, with extra points for Roblox Lua scripting experience.
- Opportunity to work on innovative AI problems with real-world impact
- Access to the world's largest multi-modal interactive dataset
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 as described on this page.
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).
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.
Roblox Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Roblox and has not been reviewed or approved by Roblox.
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Equity Value & Accessibility — Pay packages are frequently framed as highly lucrative due to meaningful equity components and upside, with equity refreshes reinforcing the total-rewards value beyond base pay. Technical and senior roles are associated with especially strong total compensation ranges that amplify the perceived attractiveness of equity-linked rewards.
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Wellbeing & Lifestyle Benefits — Office and lifestyle perks are positioned as a standout part of the rewards experience, including free daily meals, snack rooms, onsite gym access, commuter support, and lifestyle allowances. Wellness programming is described as broad, spanning mental-health support, health coaching, and flexible work arrangements that add day-to-day value.
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Retirement Support — Retirement offerings are described as notably strong, highlighted by a 401(k) match structure that meaningfully increases total rewards value. Financial benefits are further complemented by stock purchase access and related wealth-building programs.
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What We Do
Roblox is an immersive gaming and creation platform that offers people millions of ways to be together, inviting its community to explore, create and share endless unique experiences. Our vision is to reimagine the way people come together — in a world that's safe, civil, and optimistic. To achieve this vision, we are building an innovative company that, together with the Roblox community, has the ability to strengthen our social fabric and support economic growth for people around the world.
Why Work With Us
Every day, Roblox employees tackle complex questions and drive incredible innovation. Join us in building the future of human connection and communication.
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