Machine Learning Engineer Jobs at Roblox with Visa Sponsorship
Machine Learning Engineer jobs at Roblox involve building the recommendation systems, safety models, and personalization infrastructure powering a platform used by hundreds of millions. The company has a consistent track record of sponsoring work visas for this function, supporting candidates from initial offer through long-term status.
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Get Access To All JobsINTRODUCTION
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.
ROLE AND RESPONSIBILITIES
Why Safety?
At Roblox, we strive to connect a billion people with optimism and civility, and the Safety organization’s mission is to become the leader in civil immersive online communities. We systematically and proactively work to detect, remove, and prevent problematic content and behavior. We seek to influence and shape the product roadmap and prioritization, build safety products, and measure our impact on the community of users and developers. In doing so, we help keep Roblox safe, civil, and inclusive, fostering positive relationships between people around the world.
Why Text Safety?
As a Senior Engineer you will play a key role in advancing large-scale AI systems that strengthen text safety and integrity. You’ll leverage cutting-edge ML models to build intelligent tools to curate high-quality training and evaluation data to train machine learning models. These systems will continuously refine and enhance model performance, enabling proactive detection and mitigation of safety risks across the platform in real time.
In this role, you’ll work closely with cross-functional teams of engineers, product managers, policy experts, and safety specialists to turn complex safety challenges into scalable, impactful solutions. You’ll establish best practices and technical standards that define the next generation of safety AI, ensuring the platform remains secure, inclusive, and resilient. Your contributions will directly empower robust, AI-driven moderation and detection systems that foster a safe and positive experience for all users.
You Will:
- Design, build, and own critical components of the AI based text safety components, with a focus on usability, reliability, scalability, and performance.
- Implement robust AI service to ensure text quality on all Roblox properties (Avatar, Game Description etc.).
- Advance our AI systems infrastructure by developing strong frameworks and APIs to support the text filtering needs for hundreds of clients in Roblox.
- Partner with cross-functional teams of engineers, product managers, policy experts, and safety specialists to deliver scalable data and AI solutions to power next-generation safety systems.
- Develop text safety quality metrics and eval tooling to support the continued quality iteration over time.
- Stay current with emerging technologies and push forward innovation in AI space to enhance user and platform safety.
BASIC QUALIFICATIONS
You Have:
- 5+ years of experience designing, building, and deploying large-scale machine learning systems in production environments.
- A graduate degree or equivalent experience in Computer Science, Engineering, or a related technical field.
- Strong communication skills and a collaborative, solution-oriented approach to problem solving.
PREFERRED QUALIFICATIONS
You Are:
- Data & System Oriented: You understand that robust data and systems are the foundation of any production applications, and you design infrastructure for scale, correctness, and reliability.
- Collaborative: You thrive in cross-functional teams, partnering effectively with Product and Engineering to solve complex challenges.
- Curious & Creative: You enjoy tackling hard problems, exploring new technologies, and driving continuous improvements in both systems and workflows.
- Impact Driven: You focus on outcomes - prioritizing product impact, reliability, and measurable success over code volume or complexity.
COMPENSATION
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.
- Annual Salary Range: $260,300—$312,970 USD
Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence 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 to candidates with qualifying disabilities or religious beliefs during the recruiting process.
For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.
INTRODUCTION
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.
ROLE AND RESPONSIBILITIES
Why Safety?
At Roblox, we strive to connect a billion people with optimism and civility, and the Safety organization’s mission is to become the leader in civil immersive online communities. We systematically and proactively work to detect, remove, and prevent problematic content and behavior. We seek to influence and shape the product roadmap and prioritization, build safety products, and measure our impact on the community of users and developers. In doing so, we help keep Roblox safe, civil, and inclusive, fostering positive relationships between people around the world.
Why Text Safety?
As a Senior Engineer you will play a key role in advancing large-scale AI systems that strengthen text safety and integrity. You’ll leverage cutting-edge ML models to build intelligent tools to curate high-quality training and evaluation data to train machine learning models. These systems will continuously refine and enhance model performance, enabling proactive detection and mitigation of safety risks across the platform in real time.
In this role, you’ll work closely with cross-functional teams of engineers, product managers, policy experts, and safety specialists to turn complex safety challenges into scalable, impactful solutions. You’ll establish best practices and technical standards that define the next generation of safety AI, ensuring the platform remains secure, inclusive, and resilient. Your contributions will directly empower robust, AI-driven moderation and detection systems that foster a safe and positive experience for all users.
You Will:
- Design, build, and own critical components of the AI based text safety components, with a focus on usability, reliability, scalability, and performance.
- Implement robust AI service to ensure text quality on all Roblox properties (Avatar, Game Description etc.).
- Advance our AI systems infrastructure by developing strong frameworks and APIs to support the text filtering needs for hundreds of clients in Roblox.
- Partner with cross-functional teams of engineers, product managers, policy experts, and safety specialists to deliver scalable data and AI solutions to power next-generation safety systems.
- Develop text safety quality metrics and eval tooling to support the continued quality iteration over time.
- Stay current with emerging technologies and push forward innovation in AI space to enhance user and platform safety.
BASIC QUALIFICATIONS
You Have:
- 5+ years of experience designing, building, and deploying large-scale machine learning systems in production environments.
- A graduate degree or equivalent experience in Computer Science, Engineering, or a related technical field.
- Strong communication skills and a collaborative, solution-oriented approach to problem solving.
PREFERRED QUALIFICATIONS
You Are:
- Data & System Oriented: You understand that robust data and systems are the foundation of any production applications, and you design infrastructure for scale, correctness, and reliability.
- Collaborative: You thrive in cross-functional teams, partnering effectively with Product and Engineering to solve complex challenges.
- Curious & Creative: You enjoy tackling hard problems, exploring new technologies, and driving continuous improvements in both systems and workflows.
- Impact Driven: You focus on outcomes - prioritizing product impact, reliability, and measurable success over code volume or complexity.
COMPENSATION
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.
- Annual Salary Range: $260,300—$312,970 USD
Roles that are based in an office are onsite Tuesday, Wednesday, and Thursday, with optional presence 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 to candidates with qualifying disabilities or religious beliefs during the recruiting process.
For US based roles only, please note the Company may not be able to employ candidates for this role who have United States work authorization related to certain U.S. visa categories, or support future H-1B sponsorship at this time.
Tips for Finding Machine Learning Engineer Jobs at Roblox
Align your portfolio to Roblox's ML stack
Roblox publishes engineering blog posts detailing their work in content moderation, avatar recommendations, and real-time personalization. Tailor your GitHub projects or research to reflect these systems before your first interview round.
Request H-1B1 or E-3 status at offer
If you hold an Australian or Chilean passport, the H-1B1 visa and E-3 categories sit outside the annual H-1B lottery cap. Confirm your eligibility with your recruiter early so Roblox's immigration team files the correct petition from the start.
Verify your OPT STEM extension window before signing
STEM OPT extends your F-1 authorization by 24 months, but USCIS requires the extension application before your initial OPT expires. Confirm your OPT end date and submit early enough to avoid any gap before your Roblox start date.
Prepare a specialty occupation evidence file
Machine Learning Engineer roles at Roblox require a degree in computer science, statistics, or a closely related field. Gather transcripts, course syllabi, and any research publications now so your employer's counsel can build a strong specialty occupation argument for the I-129.
Browse open roles using Migrate Mate
Roblox posts Machine Learning Engineer openings across applied research, safety, and platform teams at different seniority levels. Use Migrate Mate to filter current Roblox listings by visa type so you target roles that match your sponsorship situation.
Clarify Green Card sponsorship timing during offer negotiation
PERM labor certification can take over a year before an I-140 petition is even filed. Ask Roblox's recruiter directly whether the team initiates PERM for this role level, and get that commitment in writing before you accept.
Frequently Asked Questions
Does Roblox sponsor H-1B visas for Machine Learning Engineers?
Yes, Roblox sponsors H-1B visas for Machine Learning Engineer roles. The company works with experienced immigration counsel and supports candidates through the full H-1B process, including lottery registration, I-129 petition filing, and subsequent renewals. Roblox also sponsors other nonimmigrant categories depending on your nationality and situation.
Which visa types does Roblox commonly sponsor for Machine Learning Engineer roles?
Roblox sponsors H-1B, H-1B1 visa for Chilean nationals, E-3 visa for Australian nationals, TN visa for Canadian and Mexican nationals, and F-1 OPT including the STEM OPT extension. For longer-term pathways, Roblox also supports EB-2 and EB-3 immigrant visa petitions, which lead to a Green Card through the PERM labor certification process.
What qualifications does Roblox expect for Machine Learning Engineer positions?
Roblox typically looks for a bachelor's or master's degree in computer science, machine learning, statistics, or a related quantitative field. Hands-on experience with large-scale recommendation systems, content ranking, or safety classifiers is valued. Roles on the research side often expect published work or demonstrated applied research output alongside strong engineering fundamentals.
How do I apply for Machine Learning Engineer jobs at Roblox?
You can find and apply for Machine Learning Engineer openings at Roblox through Migrate Mate, which filters listings by visa sponsorship type so you can confirm a role fits your immigration status before applying. Roblox's interview process typically includes a recruiter screen, technical assessments covering ML fundamentals and system design, and a final loop with the hiring team.
How do I plan my timeline if Roblox sponsors my H-1B while I'm on OPT?
H-1B cap-subject petitions can only be filed once per year, with USCIS opening registration in March for an October 1 start date. If you're on OPT and your authorization expires before October 1, you'll need your STEM OPT extension approved to bridge the gap. Confirm your OPT expiration date and lottery registration status with Roblox's immigration team before accepting an offer.