Senior Machine Learning Engineer, Reddit
Ads Engagement Modeling
$216.7-303.4k
+ Restricted stock units
Online platform for thoughts, experiences and discussions
Be an early applicant
Online platform for thoughts, experiences and discussions
1001+ employees
Be an early applicant
$216.7-303.4k
+ Restricted stock units
1001+ employees
Company mission
Reddit's mission is to bring community and belonging to everyone.
Role
Who you are
- Proven track record of driving KPI improvements through strategic work in model architecture and feature engineering
- 3+ years of experience building industry-level deep learning models
- 3+ years of experience with mainstream ML frameworks, such as TensorFlow and PyTorch
- 4+ years of hands-on experience with the full lifecycle of training, evaluating, testing, and deploying industry-level models
- Experience iterating large-scale neural network models in a production environment is a must
- Familiarity with the Ads domain is a strong plus
What the job involves
- The Ads Engagement Modeling team is responsible of predicting ads engagement rates used in auctions for upper and middle funnel ad products
- The team focuses on Click-Through Rate (CTR) prediction to optimize ad engagement and marketplace efficiency, particularly for Reddit’s most critical ad product: CPC (Cost-Per-Click)
- Additionally, the team manages video view modeling, landing page optimization, and pCTR (predicted CTR) models for product ads
- The Engagement Modeling team collaborates closely with both upstream and downstream teams to drive the development of new features and model iterations, continually improving ranking models for upper and middle funnel products
- Project highlights:
- Model Architecture Engineering: Explore and implement state-of-the-art architectures such as multi-task learning and calibration models
- Systematic Feature Engineering: Develop powerful features from Reddit’s data using techniques like aggregation, embedding, sub-models, and content understanding
- Zero-to-One Model Development: Build models from scratch, collaborating with cross-functional teams on Go-To-Market strategies for vertical products like video view models, landing page optimization, and product ads
- As a Senior Machine Learning Engineer on the Engagement Modeling team, you will be responsible for researching, formulating, and executing projects, while actively contributing to the end-to-end implementation process
- You will work closely with cross-functional teams to ensure the successful delivery of products. This role also offers the opportunity to leverage your expertise and help shape the future of ads ML at Reddit
- Build industry-level models for critical machine learning tasks, applying advanced modeling techniques
- Research, implement, test, and launch innovative model architectures, including deep neural networks with advanced pooling and feature interaction designs
- Conduct systematic feature engineering to transform diverse raw data from Reddit (dense, sparse, behavioral, content, etc.) into actionable features using techniques such as aggregation, embedding, sub-models, and more
- Serve as a mentor and advocate across teams, fostering collaboration and knowledge sharing
- Contribute meaningfully to the team’s strategic direction. We value everyone’s input and encourage active participation in shaping our future roadmap
Our take
Reddit is a website that facilitates thousands of message board communities, known as subreddits, with an aim to promote authentic human connection. There are more than 100,000 communities on Reddit, covering everything, from food, entertainment, sports, and books, to more niche topics that cater for very specific audiences.
The simple platform is used by more than 52 million people a day and attracts over 50 billion monthly views. While these are impressive numbers, they do pale in comparison with social media giants Facebook and Twitter, however, Reddit distinguishes itself by providing easy-to-find communities for a truly endless range of topics.
Reddit makes money through advertising as well as offering a premium ad-free membership plan. The company has enjoyed continuous user & revenue growth, acquisitions by Conde Nast in 2006 and Advance in 2011, and plans to launch an IPO bid in 2024.
Kirsty
Company Specialist at Welcome to the Jungle
Insights
Company
Funding (last 2 of 6 rounds)
Aug 2021
$410m
SERIES F
Feb 2021
$250m
SERIES E
Total funding: $1.2bn
Company benefits
- Paid volunteer time off
- 4+ months paid parental leave
- Personal and professional development stipend
- Work from home opportunities
- Health insurance
Company values
- Make something people love
- Evolve
- Work hard
- Default open
Company HQ
SoMa, San Francisco, CA
Articles
Leadership
Steve Huffman
(CEO)After co-founding Reddit in 2005, they stepped away from the company to co-found Hipmunk, where they were the CTO. They returned to Reddit in 2015, and have been the CEO since.
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