[2025] Senior Machine Learning Engineer, Discovery - PhD New Grad

Sorry, this job was removed at 06:13 p.m. (CST) on Wednesday, Aug 27, 2025
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San Mateo, CA, USA
Hybrid
193K-255K Annually
Computer Vision • Gaming • Software • Virtual Reality • Web3 • Metaverse
Immersive gaming and creation platform
The Role

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.

The Discovery team at Roblox plays a critical role in connecting our community to the experiences, content, and creators they love. As the Discovery Core Product team, we work closely with infrastructure teams to power major search and discovery surfaces such as the homepage, experience details page, charts, and search.

Our mission is to drive Roblox’s top-line growth by improving user engagement, retention, and ecosystem diversity. Over the next few years, we aim to completely redesign Roblox’s primary search and discovery surfaces to elevate the user experience. As part of the Discovery Core Product team—a blend of product and applied research expertise—this role involves tackling some of the most challenging problems in search, discovery, and content understanding.

You Will:

  • Develop cutting-edge machine learning models for recommendation systems, search systems, image/video understanding, and text understanding.
  • Apply advanced techniques in LLMs and multimodal learning to improve content and user understanding.
  • Create end-to-end solutions to enhance search and discovery across key surfaces like the homepage, search, and experience details page.
  • Ensure the scalability, reliability, and extensibility of our machine learning systems.

You Have:

  • Possess or pursuing a Ph.D. in Computer Science, Computer Engineering, Data Science, or a similar technical degree.
  • Proficiency in one or more programming languages such as Go, Python, C++, or C#
  • Expertise in one or more of the following areas: recommendation systems, information retrieval, text/image/video understanding, or GenAI/foundation models.
  • Strong background in advanced techniques such as LLMs, multimodal learning, and other state-of-the-art machine learning methods.
  • Experience building and working on end-to-end ML pipelines, including data processing, modeling, and production deployment.
  • Published and presented peer-reviewed articles in top-tier venues, such as NeurIPS, ICML, ICLR, ACL, EMNLP, CVPR, ICCV, KDD, WWW and RecSys.

You may redact age, date of birth, and dates of attendance/graduation from your resume if you prefer.

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
$192,890$255,200 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 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.

  • 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.
  • 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.
  • 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.

Roblox Insights

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The Company
HQ: San Mateo, CA
2,500 Employees
Year Founded: 2004

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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