Senior Machine Learning Engineer, Ads

Roblox - San Mateo, CA, United States - original posting ->

Status: Open
Remote policy: Not stated
Employment type: Not stated
Salary: 259,030-311,430 USD / year
Categories: Software Engineering
Tech: ml senior
Source: roblox
First observed: 2026-08-11 23:51 UTC
Last seen: 2026-10-05 08:04 UTC
Source claims posted: 2025-10-24 17:12 UTC
Consecutive misses: 0 of 3

What the posting says

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.

With Roblox’s daily active users growing at a record pace, we are seeking experienced machine learning engineers who thrive on solving complex challenges and designing scalable, ground breaking solutions. In this role, you will develop deep learning-based models for performance advertising business. Your work will lay the foundation to deliver effective performance ads to our users, and more business values to our advertisers.

You will build innovative machine-learning solutions to power ad ranking algorithms, and personalized advertising experiences. With our ads system still in its early stages, this is a unique opportunity to shape and develop a world-class, ML-driven advertising platform from the ground up.

You Will:

Drive the design and implementation of machine learning solutions for ad ranking algorithms.

Design and implement large scale recommendation models

Author specs for new features and improvement

Collaborate with other teams within Roblox to make sure we are building products with a community first approach.

Balance researching new technologies with a practical approach to accomplish the research efforts into the Roblox products

Communicate with the industry and communities where applicable and be ambassador for Roblox.

You Have:

You have 5+ years of experience designing and building scalable machine learning solutions to solve real-world production use cases. Experienced with transformer based model training, inference, and product integration are a plus.

A BS in Computer Science or a related discipline, advanced degrees are a definite plus.

You have initiated and facilitated challenging technical decisions across multiple teams and organizations.

While deeply technical, you always start with the needs of the user, whether they are Roblox users or internal engineers.

You take a creative and strategic approach to solving hard problems. You simplify the complex. You bring in fresh ideas from new places.

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

$259,030—$311,430 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.

Quality

Completeness: 80%

+ Salary range stated weight 35%
x Remote policy stated weight 20%
+ Location stated weight 15%
+ Organisation stated weight 15%
+ Publication date stated weight 15%

Honesty: 100%

Based on 103 observation(s).

+ Days open - fineOpen for 54 days so far
+ Reopen count - fineNever reopened
+ Salary range removed after publication - fineSalary range has not been removed since publication
+ Salary range narrowed - fineSalary range has not narrowed since publication
+ Missing/reappear cycles - fineNo missing-then-reappeared cycles observed

Timeline

*
#12456 2026-08-11 23:51 UTC

Published
~
#17805 2026-08-12 07:51 UTC

Modified
- source_updated_at
  2026-08-11T14:46:10-04:00->2026-08-12T02:44:50-04:00
~
#28469 2026-08-12 19:51 UTC

Modified
- source_updated_at
  2026-08-12T02:44:50-04:00->2026-08-12T14:49:01-04:00
~
#40895 2026-08-13 07:52 UTC

Modified
- source_updated_at
  2026-08-12T14:49:01-04:00->2026-08-13T02:49:03-04:00
~
#51489 2026-08-13 19:53 UTC

Modified
- source_updated_at
  2026-08-13T02:49:03-04:00->2026-08-13T14:50:07-04:00
~
#59913 2026-08-14 07:54 UTC

Modified
- source_updated_at
  2026-08-13T14:50:07-04:00->2026-08-14T02:45:12-04:00
~
#74011 2026-08-14 23:55 UTC

Modified
- source_updated_at
  2026-08-14T02:45:12-04:00->2026-08-14T16:04:02-04:00
~
#91686 2026-08-15 19:55 UTC

Modified
- source_updated_at
  2026-08-14T16:04:02-04:00->2026-08-15T14:46:49-04:00
~
#102127 2026-08-16 07:55 UTC

Modified
- source_updated_at
  2026-08-15T14:46:49-04:00->2026-08-16T02:43:36-04:00
~
#113631 2026-08-16 19:56 UTC

Modified
- source_updated_at
  2026-08-16T02:43:36-04:00->2026-08-16T14:49:31-04:00
~
#124016 2026-08-17 07:56 UTC

Modified
- source_updated_at
  2026-08-16T14:49:31-04:00->2026-08-17T02:44:47-04:00
~
#136298 2026-08-17 19:42 UTC

Modified
- source_updated_at
  2026-08-17T02:44:47-04:00->2026-08-17T14:48:54-04:00
~
#146844 2026-08-18 09:17 UTC

Modified
- source_updated_at
  2026-08-17T14:48:54-04:00->2026-08-18T02:44:39-04:00
~
#159401 2026-08-18 21:00 UTC

Modified
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  2026-08-18T02:44:39-04:00->2026-08-18T14:47:04-04:00
~
#172731 2026-08-19 07:53 UTC

Modified
- source_updated_at
  2026-08-18T14:47:04-04:00->2026-08-19T02:48:22-04:00
~
#193522 2026-08-19 19:27 UTC

Modified
- source_updated_at
  2026-08-19T02:48:22-04:00->2026-08-19T14:48:13-04:00
~
#206484 2026-08-20 07:36 UTC

Modified
- source_updated_at
  2026-08-19T14:48:13-04:00->2026-08-20T02:48:22-04:00
~
#223232 2026-08-20 20:23 UTC

Modified
- source_updated_at
  2026-08-20T02:48:22-04:00->2026-08-20T14:50:30-04:00
~
#234989 2026-08-21 06:53 UTC

Modified
- source_updated_at
  2026-08-20T14:50:30-04:00->2026-08-21T02:46:21-04:00
~
#254574 2026-08-21 19:50 UTC

Modified
- source_updated_at
  2026-08-21T02:46:21-04:00->2026-08-21T14:47:35-04:00
~
#258797 2026-08-21 23:52 UTC

Modified
- source_updated_at
  2026-08-21T14:47:35-04:00->2026-08-21T16:12:05-04:00
~
#281562 2026-08-22 21:12 UTC

Modified
- source_updated_at
  2026-08-21T16:12:05-04:00->2026-08-22T14:47:00-04:00
~
#293249 2026-08-23 09:44 UTC

Modified
- source_updated_at
  2026-08-22T14:47:00-04:00->2026-08-23T02:44:02-04:00
~
#303309 2026-08-23 21:11 UTC

Modified
- source_updated_at
  2026-08-23T02:44:02-04:00->2026-08-23T14:45:43-04:00
~
#318441 2026-08-24 07:30 UTC

Modified
- source_updated_at
  2026-08-23T14:45:43-04:00->2026-08-24T02:45:23-04:00
~
#338486 2026-08-24 22:19 UTC

Modified
- source_updated_at
  2026-08-24T02:45:23-04:00->2026-08-24T14:50:16-04:00
~
#354263 2026-08-25 10:19 UTC

Modified
- source_updated_at
  2026-08-24T14:50:16-04:00->2026-08-25T02:44:52-04:00
~
#363921 2026-08-25 19:02 UTC

Modified
- source_updated_at
  2026-08-25T02:44:52-04:00->2026-08-25T14:46:43-04:00
~
#377495 2026-08-26 07:20 UTC

Modified
- source_updated_at
  2026-08-25T14:46:43-04:00->2026-08-26T02:44:33-04:00
~
#387827 2026-08-26 22:35 UTC

Modified
- source_updated_at
  2026-08-26T02:44:33-04:00->2026-08-26T14:46:35-04:00
~
#396870 2026-08-27 10:36 UTC

Modified
- source_updated_at
  2026-08-26T14:46:35-04:00->2026-08-27T02:45:48-04:00
~
#407051 2026-08-27 22:36 UTC

Modified
- source_updated_at
  2026-08-27T02:45:48-04:00->2026-08-27T14:46:47-04:00
~
#416776 2026-08-28 10:36 UTC

Modified
- source_updated_at
  2026-08-27T14:46:47-04:00->2026-08-28T02:46:46-04:00
~
#429355 2026-08-28 23:17 UTC

Modified
- source_updated_at
  2026-08-28T02:46:46-04:00->2026-08-28T14:46:06-04:00
~
#442038 2026-08-29 19:06 UTC

Modified
- source_updated_at
  2026-08-28T14:46:06-04:00->2026-08-29T14:43:32-04:00
~
#456594 2026-08-30 07:48 UTC

Modified
- source_updated_at
  2026-08-29T14:43:32-04:00->2026-08-30T02:45:39-04:00
~
#469366 2026-08-30 21:41 UTC

Modified
- source_updated_at
  2026-08-30T02:45:39-04:00->2026-08-30T14:42:56-04:00
~
#477614 2026-08-31 09:19 UTC

Modified
- source_updated_at
  2026-08-30T14:42:56-04:00->2026-08-31T02:44:20-04:00
~
#487368 2026-08-31 21:23 UTC

Modified
- source_updated_at
  2026-08-31T02:44:20-04:00->2026-08-31T14:44:36-04:00
~
#496841 2026-09-01 09:23 UTC

Modified
- source_updated_at
  2026-08-31T14:44:36-04:00->2026-09-01T02:42:51-04:00
~
#509093 2026-09-01 21:24 UTC

Modified
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  2026-09-01T02:42:51-04:00->2026-09-01T14:44:50-04:00
~
#523829 2026-09-02 09:24 UTC

Modified
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  2026-09-01T14:44:50-04:00->2026-09-02T02:44:04-04:00
~
#535467 2026-09-02 21:25 UTC

Modified
- source_updated_at
  2026-09-02T02:44:04-04:00->2026-09-02T14:45:43-04:00
~
#547146 2026-09-03 09:25 UTC

Modified
- source_updated_at
  2026-09-02T14:45:43-04:00->2026-09-03T02:43:17-04:00
~
#556684 2026-09-03 21:26 UTC

Modified
- source_updated_at
  2026-09-03T02:43:17-04:00->2026-09-03T14:45:46-04:00
~
#567654 2026-09-04 09:26 UTC

Modified
- source_updated_at
  2026-09-03T14:45:46-04:00->2026-09-04T02:43:53-04:00
~
#578347 2026-09-04 21:31 UTC

Modified
- source_updated_at
  2026-09-04T02:43:53-04:00->2026-09-04T14:45:06-04:00
~
#592719 2026-09-05 19:42 UTC

Modified
- source_updated_at
  2026-09-04T14:45:06-04:00->2026-09-05T14:43:31-04:00
~
#599292 2026-09-06 07:43 UTC

Modified
- source_updated_at
  2026-09-05T14:43:31-04:00->2026-09-06T02:42:37-04:00
~
#606899 2026-09-06 19:43 UTC

Modified
- source_updated_at
  2026-09-06T02:42:37-04:00->2026-09-06T14:43:50-04:00
~
#613130 2026-09-07 07:46 UTC

Modified
- source_updated_at
  2026-09-06T14:43:50-04:00->2026-09-07T02:43:16-04:00
~
#622977 2026-09-07 19:47 UTC

Modified
- source_updated_at
  2026-09-07T02:43:16-04:00->2026-09-07T14:42:45-04:00
~
#631398 2026-09-08 07:47 UTC

Modified
- source_updated_at
  2026-09-07T14:42:45-04:00->2026-09-08T02:44:08-04:00
~
#641816 2026-09-08 19:49 UTC

Modified
- source_updated_at
  2026-09-08T02:44:08-04:00->2026-09-08T14:45:38-04:00
~
#651351 2026-09-09 07:49 UTC

Modified
- source_updated_at
  2026-09-08T14:45:38-04:00->2026-09-09T02:44:16-04:00
~
#662871 2026-09-09 19:54 UTC

Modified
- source_updated_at
  2026-09-09T02:44:16-04:00->2026-09-09T14:45:38-04:00
~
#672810 2026-09-10 07:54 UTC

Modified
- source_updated_at
  2026-09-09T14:45:38-04:00->2026-09-10T02:44:24-04:00
~
#685575 2026-09-10 19:55 UTC

Modified
- source_updated_at
  2026-09-10T02:44:24-04:00->2026-09-10T14:44:41-04:00
~
#694295 2026-09-11 07:56 UTC

Modified
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  2026-09-10T14:44:41-04:00->2026-09-11T02:43:04-04:00
~
#706625 2026-09-11 21:18 UTC

Modified
- source_updated_at
  2026-09-11T02:43:04-04:00->2026-09-11T14:44:59-04:00
~
#719986 2026-09-12 21:19 UTC

Modified
- source_updated_at
  2026-09-11T14:44:59-04:00->2026-09-12T14:43:49-04:00
~
#726836 2026-09-13 09:19 UTC

Modified
- source_updated_at
  2026-09-12T14:43:49-04:00->2026-09-13T02:43:26-04:00
~
#733248 2026-09-13 21:19 UTC

Modified
- source_updated_at
  2026-09-13T02:43:26-04:00->2026-09-13T14:43:34-04:00
~
#740178 2026-09-14 09:28 UTC

Modified
- source_updated_at
  2026-09-13T14:43:34-04:00->2026-09-14T02:43:42-04:00
~
#753201 2026-09-14 21:29 UTC

Modified
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  2026-09-14T02:43:42-04:00->2026-09-14T14:44:23-04:00
~
#764745 2026-09-15 09:29 UTC

Modified
- source_updated_at
  2026-09-14T14:44:23-04:00->2026-09-15T02:44:18-04:00
~
#777387 2026-09-15 21:30 UTC

Modified
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  2026-09-15T02:44:18-04:00->2026-09-15T14:44:41-04:00
~
#788124 2026-09-16 09:30 UTC

Modified
- source_updated_at
  2026-09-15T14:44:41-04:00->2026-09-16T02:44:02-04:00
~
#800512 2026-09-16 21:31 UTC

Modified
- source_updated_at
  2026-09-16T02:44:02-04:00->2026-09-16T14:44:54-04:00
~
#810752 2026-09-17 09:32 UTC

Modified
- source_updated_at
  2026-09-16T14:44:54-04:00->2026-09-17T02:44:52-04:00
~
#820347 2026-09-17 21:32 UTC

Modified
- source_updated_at
  2026-09-17T02:44:52-04:00->2026-09-17T14:44:34-04:00
~
#830692 2026-09-18 09:36 UTC

Modified
- source_updated_at
  2026-09-17T14:44:34-04:00->2026-09-18T02:43:58-04:00
~
#846913 2026-09-18 21:37 UTC

Modified
- source_updated_at
  2026-09-18T02:43:58-04:00->2026-09-18T14:44:51-04:00
~
#867190 2026-09-19 21:38 UTC

Modified
- source_updated_at
  2026-09-18T14:44:51-04:00->2026-09-19T14:43:14-04:00
~
#874486 2026-09-20 09:39 UTC

Modified
- source_updated_at
  2026-09-19T14:43:14-04:00->2026-09-20T02:42:52-04:00
~
#882206 2026-09-20 21:40 UTC

Modified
- source_updated_at
  2026-09-20T02:42:52-04:00->2026-09-20T14:42:38-04:00
~
#889092 2026-09-21 09:49 UTC

Modified
- source_updated_at
  2026-09-20T14:42:38-04:00->2026-09-21T02:43:23-04:00
~
#905604 2026-09-21 21:49 UTC

Modified
- source_updated_at
  2026-09-21T02:43:23-04:00->2026-09-21T14:44:21-04:00
~
#918856 2026-09-22 09:53 UTC

Modified
- source_updated_at
  2026-09-21T14:44:21-04:00->2026-09-22T02:43:50-04:00
~
#930387 2026-09-22 21:53 UTC

Modified
- source_updated_at
  2026-09-22T02:43:50-04:00->2026-09-22T14:45:52-04:00
~
#941199 2026-09-23 09:54 UTC

Modified
- source_updated_at
  2026-09-22T14:45:52-04:00->2026-09-23T02:44:13-04:00
~
#956749 2026-09-23 21:54 UTC

Modified
- source_updated_at
  2026-09-23T02:44:13-04:00->2026-09-23T14:45:14-04:00
~
#967275 2026-09-24 09:59 UTC

Modified
- source_updated_at
  2026-09-23T14:45:14-04:00->2026-09-24T02:45:23-04:00
~
#980293 2026-09-24 22:03 UTC

Modified
- source_updated_at
  2026-09-24T02:45:23-04:00->2026-09-24T14:44:40-04:00
~
#994252 2026-09-25 10:08 UTC

Modified
- source_updated_at
  2026-09-24T14:44:40-04:00->2026-09-25T02:43:38-04:00
~
#1007570 2026-09-25 22:13 UTC

Modified
- source_updated_at
  2026-09-25T02:43:38-04:00->2026-09-25T14:44:51-04:00
~
#1023011 2026-09-26 22:19 UTC

Modified
- source_updated_at
  2026-09-25T14:44:51-04:00->2026-09-26T14:43:40-04:00
~
#1029619 2026-09-27 10:19 UTC

Modified
- source_updated_at
  2026-09-26T14:43:40-04:00->2026-09-27T02:42:53-04:00
~
#1036628 2026-09-27 22:19 UTC

Modified
- source_updated_at
  2026-09-27T02:42:53-04:00->2026-09-27T14:43:13-04:00
~
#1043836 2026-09-28 10:25 UTC

Modified
- source_updated_at
  2026-09-27T14:43:13-04:00->2026-09-28T02:44:10-04:00
~
#1054388 2026-09-28 22:26 UTC

Modified
- source_updated_at
  2026-09-28T02:44:10-04:00->2026-09-28T14:44:32-04:00
~
#1063553 2026-09-29 10:34 UTC

Modified
- source_updated_at
  2026-09-28T14:44:32-04:00->2026-09-29T02:44:16-04:00
~
#1077227 2026-09-29 22:36 UTC

Modified
- source_updated_at
  2026-09-29T02:44:16-04:00->2026-09-29T16:09:38-04:00
~
#1088409 2026-09-30 10:37 UTC

Modified
- source_updated_at
  2026-09-29T16:09:38-04:00->2026-09-30T02:43:59-04:00
~
#1099731 2026-09-30 22:37 UTC

Modified
- source_updated_at
  2026-09-30T02:43:59-04:00->2026-09-30T14:44:58-04:00
~
#1109384 2026-10-01 10:41 UTC

Modified
- source_updated_at
  2026-09-30T14:44:58-04:00->2026-10-01T02:44:14-04:00
~
#1118292 2026-10-01 18:47 UTC

Modified
- source_updated_at
  2026-10-01T02:44:14-04:00->2026-10-01T14:44:17-04:00
~
#1129703 2026-10-02 07:06 UTC

Modified
- source_updated_at
  2026-10-01T14:44:17-04:00->2026-10-02T02:43:58-04:00
~
#1140601 2026-10-02 19:24 UTC

Modified
- source_updated_at
  2026-10-02T02:43:58-04:00->2026-10-02T14:45:07-04:00
~
#1159856 2026-10-03 19:33 UTC

Modified
- source_updated_at
  2026-10-02T14:45:07-04:00->2026-10-03T14:43:01-04:00
~
#1167623 2026-10-04 07:47 UTC

Modified
- source_updated_at
  2026-10-03T14:43:01-04:00->2026-10-04T02:43:19-04:00
~
#1174106 2026-10-04 19:55 UTC

Modified
- source_updated_at
  2026-10-04T02:43:19-04:00->2026-10-04T14:42:54-04:00
~
#1180314 2026-10-05 08:04 UTC

Modified
- source_updated_at
  2026-10-04T14:42:54-04:00->2026-10-05T02:43:32-04:00