Staff Machine Learning Engineer, Ads Measurement Modeling

Reddit; United States; On-site; USD 230,000 - 322,000; Full time

Benefits offered by this job

Comprehensive Healthcare Benefits

401k with Employer Match

Flexible Vacation

Generous Paid Parental Leave

Job summary

Reddit is seeking a seasoned software engineer to lead the development of advanced ads identity modeling solutions. The ideal candidate will have over 7 years of software engineering experience and significant expertise in machine learning-driven systems. This role includes responsibilities like designing ML models, overseeing workflows, and partnering with cross-functional teams. Benefits include comprehensive healthcare, 401k matching, flexible vacation, and generous parental leave. The salary range for this position is $230,000—$322,000 USD.

Qualifications

• 7+ years of professional software engineering experience, with at least 3+ years focused on ML‑driven systems.
• Experience architecting and building ads measurement modeling solutions.
• Strong knowledge of various identifiers for identity resolution.

Responsibilities

• Lead the technical strategy for ads identity modeling solutions.
• Design and train advanced ML models ensuring accuracy and compliance.
• Oversee end-to-end ML workflows optimizing for performance.

Skills

Professional software engineering experience

Machine learning frameworks (TensorFlow, PyTorch)

Large-scale data processing

Technical leadership

Excellent communication skills

Tools

Spark

Kafka

Beam

Flink

Job description

The Ads Measurement Org is dedicated to enhancing the efficiency and user‑friendliness of our advertising platform. The Measurement Modeling team owns all the Machine Learning solutions for Ads Measurement, including Identity Matching, Identity Graph, Utility Enhancement for Ads Privacy, Modeled Conversion, and new Measurement Modeling Initiative. As a critical and complex part, in Identity Modeling, we are building new advanced machine learning solutions, the space resides in intersection of ads stack that interacts with various upstream and downstream systems. It serves critical business needs for monetization and consumer as well, including Measurement & Reporting, Experimentation, Personalization, Delivery, and Safety, and requires major XFN as well as cross team/org collaborations.

Minimum Qualifications

• 7+ years of professional software engineering experience, with at least 3+ years focused on ML‑driven systems at scale
• Demonstrated experience architecting and building ads measurement modeling solutions leveraging advanced machine learning techniques
• Strong knowledge of various identifiers (cookies, hashed emails, phone numbers, IP addresses, user agents) and their use in identity resolution
• Proficiency in machine learning frameworks (e.g., TensorFlow, PyTorch) and libraries for feature engineering, model training, and inference
• Solid understanding of large‑scale data processing, distributed computing, and data infrastructure (e.g., Spark, Kafka, Beam, Flink)
• Proven technical leadership in cross‑functional settings, driving architectural decisions and influencing stakeholders (product, data science, privacy, legal)
• Excellent communication, mentoring, and collaboration skills to align teams on a long‑term vision for identity resolution

Responsibilities

• Lead the technical strategy and architecture for our company’s ads identity modeling solutions and other related ads measurement models
• Design and train advanced ML models while ensuring accuracy, scalability, and compliance with privacy requirements, managing trade‑offs between complexity, latency, and prediction quality
• Oversee end‑to‑end ML workflows—from data ingestion and feature engineering to model training, evaluation, and deployment—optimizing for performance and cost
• Partner with cross‑functional teams (e.g., product management, data science, platform engineering, privacy, legal) to define the roadmap and set long‑term goals
• Establish engineering best practices, code quality standards, and data governance guidelines to ensure maintainability and trustworthiness of the identity graph
• Mentor and coach junior engineers, fostering a culture of innovation, technical excellence, and knowledge sharing across the organization

Benefits

• Comprehensive Healthcare Benefits and Income Replacement Programs
• 401k with Employer Match
• Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
• Family Planning Support
• Gender‑Affirming Care
• Mental Health & Coaching Benefits
• Flexible Vacation & Paid Volunteer Time Off
• Generous Paid Parental Leave

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.

The base salary range for this position is: $230,000—$322,000 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. Candidate Privacy Policy for Potential Employees and Contractors.