Machine Learning Engineer - Ads Training Platform
Reddit has a flexible workforce! If you happen to live close to one of our physical office locations our doors are open for you to come into the office as often as you'd like. Don't live near one of our offices? No worries: You can apply to work remotely in any country in which we have a physical presence. The Ads Training Platform pod builds and maintains the distributed training and data processing infrastructure that powers Reddit’s Ads machine learning models. We focus on enabling fast, reliable, and scalable model training across large datasets, supporting the Ads ML teams in improving ad targeting, conversion prediction, and advertiser value.
We are looking for an engineer with deep experience in infrastructure, distributed systems, and ML platform operations to help evolve and scale our training systems.
What You’ll Do
Design, build, and maintain large-scale distributed training infrastructure for Ads ML models.
Develop tools and frameworks on top of the Ray platform.
Build tools to debug, profile, and tune distributed training jobs for performance and reliability.
Integrate with object storage systems and improve data access patterns.
Collaborate with ML engineers to improve model training time, efficiency, and GPU training costs..
Drive improvements in scheduling, state management, and fault tolerance within the training platform to enhance overall performance.
What You Bring
3+ years in infrastructure/platform engineering or large-scale distributed systems.
2+ years hands-on experience with Ray platform.
Strong understanding of distributed computing principles (task scheduling, fault tolerance, state management).
Experience with distributed storage systems and large-scale data processing.
Proven ability to debug and profile distributed jobs.
Experience with deep learning frameworks (PyTorch, TensorFlow) is a big plus.
Bonus: model optimization for distributed training, Ads ML experience.
Benefits:
Comprehensive Healthcare Benefits and Income Replacement Programs
401k Match
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Reddit Global Days off
Generous paid Parental Leave
Paid Volunteer time off
#LI-AK1 #LI-REMOTE
Pay Transparency:
This job posting may span more than one career level.
In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/.
To provide greater transparency to candidates, we share base pay ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.
The base pay range for this position is:
$185,800—$260,100 USD
About the job
Apply for this position
Machine Learning Engineer - Ads Training Platform
Reddit has a flexible workforce! If you happen to live close to one of our physical office locations our doors are open for you to come into the office as often as you'd like. Don't live near one of our offices? No worries: You can apply to work remotely in any country in which we have a physical presence. The Ads Training Platform pod builds and maintains the distributed training and data processing infrastructure that powers Reddit’s Ads machine learning models. We focus on enabling fast, reliable, and scalable model training across large datasets, supporting the Ads ML teams in improving ad targeting, conversion prediction, and advertiser value.
We are looking for an engineer with deep experience in infrastructure, distributed systems, and ML platform operations to help evolve and scale our training systems.
What You’ll Do
Design, build, and maintain large-scale distributed training infrastructure for Ads ML models.
Develop tools and frameworks on top of the Ray platform.
Build tools to debug, profile, and tune distributed training jobs for performance and reliability.
Integrate with object storage systems and improve data access patterns.
Collaborate with ML engineers to improve model training time, efficiency, and GPU training costs..
Drive improvements in scheduling, state management, and fault tolerance within the training platform to enhance overall performance.
What You Bring
3+ years in infrastructure/platform engineering or large-scale distributed systems.
2+ years hands-on experience with Ray platform.
Strong understanding of distributed computing principles (task scheduling, fault tolerance, state management).
Experience with distributed storage systems and large-scale data processing.
Proven ability to debug and profile distributed jobs.
Experience with deep learning frameworks (PyTorch, TensorFlow) is a big plus.
Bonus: model optimization for distributed training, Ads ML experience.
Benefits:
Comprehensive Healthcare Benefits and Income Replacement Programs
401k Match
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Flexible Vacation & Reddit Global Days off
Generous paid Parental Leave
Paid Volunteer time off
#LI-AK1 #LI-REMOTE
Pay Transparency:
This job posting may span more than one career level.
In addition to base salary, this job is eligible to receive equity in the form of restricted stock units, and depending on the position offered, it may also be eligible to receive a commission. Additionally, Reddit offers a wide range of benefits to U.S.-based employees, including medical, dental, and vision insurance, 401(k) program with employer match, generous time off for vacation, and parental leave. To learn more, please visit https://www.redditinc.com/careers/.
To provide greater transparency to candidates, we share base pay ranges for all US-based job postings regardless of state. We set standard base pay ranges for all roles based on function, level, and country location, benchmarked against similar stage growth companies. Final offer amounts are determined by multiple factors including, skills, depth of work experience and relevant licenses/credentials, and may vary from the amounts listed below.
The base pay range for this position is:
$185,800—$260,100 USD