Senior Machine Learning Engineer, Conversion Lift

Reddit; United States; Remote; USD 216,000 - 304,000; Full time

Job summary

Reddit is seeking a Machine Learning Engineer in Causal Inference to enhance advertising effectiveness. You will lead the Reddit Conversion Lift product, designing reliable experimentation systems and mentoring team members. Ideal candidates have significant experience in ML and causal analysis, with a willingness to innovate in a collaborative environment.

Benefits

Comprehensive Healthcare Benefits

401k Match

Flexible Vacation

Generous paid Parental Leave

Qualifications

• 5+ years of experience in a quantitative modeling environment.
• Experience deploying models in production settings.
• Strong understanding of advertising domain.

Responsibilities

• Lead projects from concept to rollout ensuring high quality.
• Design, implement, and maintain high-reliability experimentation systems.
• Collaborate with cross-functional teams and mentor junior engineers.

Skills

Causal Inference

Machine Learning

Statistical Analysis

Communication

Education

Advanced degree (MS/PhD) in a quantitative field

Job description

Reddit is a community of communities. It’s built on shared interests, passion, and trust and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 101M+ daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit redditinc.com.

The Ads Measurement team is dedicated to evaluating and improving advertising effectiveness to drive advertiser success. This team is responsible for developing measurement products and infrastructure to enable advertisers to understand the value that Reddit drives for their business.

As a Machine Learning Engineer, Causal Inference on the Ads Measurement team, you will lead our Reddit Conversion Lift (RCL) product, driving major improvements in Casal Inference/ML methodology, reliability and scalability.

Responsibilities:

• Lead projects from concept, design, implementation, to rollout, ensuring the highest quality and performance.
• Identify opportunities to enhance ad measurement capabilities by diving deep into our platform and understanding the needs of our advertisers.
• Design, implement, and maintain high-reliability experimentation systems.
• Conduct code reviews, maintain high engineering standards, and build scalable systems
• Design and develop statistical and applied machine learning models to measure ad effectiveness
• Collaborate with cross-functional stakeholders, including ads product, product marketing, measurement engineering, data science and Marketing Science.
• Mentor junior team members, share knowledge, and contribute to the technical growth of the team. Provide guidance on causal inference and machine learning best practices and methodologies.
• Stay up-to-date on state-of-the-art casual inference, causal ML, and machine learning techniques; recognize promising innovations; and, adapting them to Reddit's unique platform and community.

Minimum Qualifications:

• 5+ years of experience in a relevant industry or academic background, preferably in a quantitative/modeling or highly scalable computing environment. For candidates with a PhD, at least 2+ years of industry experience in a MLE or engineering role.
• Experience deploying models in production settings and working with ML or experimentation infrastructure
• Strong understanding of advertising domain
• Strong understanding of causal inference and experimental design, including intent-to-treat estimators, ghost ads, and propensity score modeling.
• Ability to lead and mentor machine learning engineers, software engineers, and/or data scientists.
• Strong communication skills to collaborate effectively with cross-functional teams and stakeholders.
• Demonstrated ability to innovate and stay updated with the latest advancements causal inference, machine learning and AI.

Preferred Qualifications:

• Advanced degree (MS/PhD) in a quantitative field such as statistics, data science, computer science, economics, or operations research.
• Deep understanding of advanced causal inference, including Bayesian experimental analysis, heterogenous treatment effects estimation, double machine learning, etc.
• Experience designing and developing scaled experimentation systems
• Tech lead experience on cross-functional engineering teams, guiding implementation of experimentation infrastructure and tooling
• Direct experience with ad effectiveness measurement (e.g., conversion lift, brand lift, sales lift, split testing) is a plus

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: $216,700 — $303,400 USD

Reddit is proud to be an equal opportunity employer, and is committed to building a workforce representative of the diverse communities we serve. Reddit is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If, due to a disability, you need an accommodation during the interview process, please let your recruiter know.