Machine Learning Engineer

RZR Global Inc.; San Francisco (CA); On-site; USD 100,000 - 130,000; Full time

Job summary

RZR Global Inc. is seeking a motivated Machine Learning Engineer based in San Francisco, CA, to enhance their programmatic demand-side platform through innovative machine learning models and data pipelines.

The ideal candidate will hold a degree in a technical field and have experience in machine learning and data analysis. Responsibilities include developing machine learning models, collaborating with cross-functional teams, and maintaining data pipelines.

Join us to drive impactful projects in an AI-driven environment!

Qualifications

• At least 1 year of professional experience in machine learning, statistical analysis, and data analysis.
• Experience with machine learning techniques such as regression, classification, and clustering.
• Strong grasp of probability, statistics, and data analysis principles.

Responsibilities

• Support the development of machine learning models to address challenges in programmatic advertising.
• Collaborate with teams to integrate models into production workflows.
• Build and maintain data pipelines for model training and evaluation.
• Document experiments, assumptions, and outcomes.

Skills

Machine Learning

Statistical Analysis

Data Analysis

Python

SQL

Big Data Tools (e.g., Spark)

ML Libraries (e.g., TensorFlow, PyTorch)

Education

Bachelor’s or Master's degree in Mathematics, Physics, Computer Science, or a related technical field

Tools

TensorFlow

PyTorch

Scikit-Learn

Job description

Who are we?
RZR Global is an AI-driven company specializing in mobile advertising solutions designed to fuel revenue growth. We leverage AI to discover audiences in a privacy-first environment through trillions of contextual bidding signals and proprietary behavioral models. Our audience engagement platform includes creative strategy and execution. We handle 5 million mobile ad requests per second from over 10 billion devices, driving performance for both publishers and brands. We are headquartered in San Francisco, CA, with a global presence across the United States, EMEA, and APAC.

Role Overview

We are seeking a motivated and detail-oriented Machine Learning Engineer to join our team. As an ML Engineer, you will be involved in designing and implementing machine learning models and data pipelines to enhance our programmatic demand-side platform (DSP). You will work closely with Senior MLE and other team members to drive impactful machine learning projects and contribute to innovative solutions.

Key Responsibilities

Support the development of machine learning models to address challenges in programmatic advertising, such as predicting user responses, forecasting bid landscapes, and detecting fraud.

Collaborate with senior data scientists and cross-functional teams (product, engineering, and analytics) to integrate models into production workflows.

Analyze the impact of integrating new data sources and features into our models.

Build and maintain data pipelines to process and prepare large datasets for model training and evaluation.

Contribute ideas and assist in testing new tools, methodologies, and technologies to improve our machine learning capabilities.

Document experiments, assumptions, and outcomes; maintain reproducibility.

Required Skills / Experience

Bachelor’s or Master's degree in Mathematics, Physics, Computer Science, or a related technical field.

At least 1 year of professional experience in machine learning, statistical analysis, and data analysis.

Experience with machine learning techniques such as regression, classification, and clustering.

Proficiency in Python and SQL and familiarity with big data tools (e.g., Spark) and ML libraries (e.g., TensorFlow, PyTorch, Scikit-Learn).

Strong grasp of probability, statistics, and data analysis principles.

Ability to work effectively in a team environment, with good communication skills to explain complex concepts to diverse stakeholders.

Nice-to-Have

Familiarity with system programming languages including C++ and Rust is a plus.

Exposure to online inference systems, gRPC/REST model endpoints, or streaming features (Kafka/Flink).