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# Machine Learning Engineer 5 - Ads Signals & Targeting

- **Company:** The Ladders
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Big Data, C++ (Programming Language), Computer Programming, Memory Management, Python (Programming Language), Machine Learning, Multithreading, Apache Spark, Build Management, Data Management
- **Published:** September 5, 2026
- **Apply:** https://arc.dev/remote-jobs/j/redirect/phpwmakda8

## About the Role

* 5-7 years of experience in machine learning model deployment for real-time ad systems
 * Expertise in developing machine learning models for ad targeting and audience expansion
 * Proven history in designing user and contextual signals for ad platforms
 * Strong programming skills in Java, C++, Python, or Scala, particularly in multi-threading and memory management
 * Experience working with big data tools like Spark for massive datasets

## Description

This role will focus on building and deploying machine learning solutions that improve real-time advertising performance and audience targeting. You will partner closely with cross-functional teams to enhance ad relevance, optimize signal usage, and support a high-quality viewer experience. The position also calls for a strong technical foundation in large-scale data systems and production model deployment., * Build and deploy machine learning models for real-time advertising systems

 * Create targeting features to enhance audience engagement based on contextual data
 * Collaborate with cross-functional teams to ensure effective model production
 * Optimize ad serving systems to improve brand safety and viewer experience
 * Drive continuous improvement of machine learning processes for better ad relevance


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