Lead Machine Learning Engineer at careers.admarketplace.com

Department: Software Engineering

Compensation

$240,000 – $260,000/yr

Location: New York, New York
Type: Full-time
Level: lead/mgmt
Posted: Jan 4, 2026

Description

adMarketplace is hiring a Lead Machine Learning Engineer to develop and optimize advanced models and applications for its ultra-low-latency ad-serving platform and consumer-facing search solutions. The role owns the end-to-end lifecycle of AI/ML projects, including MLOps, model architecture, feature engineering, deployment, monitoring, A/B testing, and production code translation, while mentoring junior engineers and collaborating across product, business, and engineering teams. Candidates need a PhD with 5+ years of experience or an MS with 5-8+ years of industry experience, along with substantial experience in production ML systems, distributed services, Python, cloud infrastructure, and machine learning frameworks. The New York office offers a base salary of $240,000-$260,000 plus bonus and equity.

Required Skills

MLOps
Feature engineering
Python
Spark
Tensorflow
PyTorch
A/B testing
Reinforcement learning
Generative AI

Additional Information

Minimum Education: PhD or MS in AI/ML; PhD with 5+ years of experience or MS with 5-8+ years of industry experience
Required Previous Experiences: 2+ years building AI/ML models in ads, relevance, ranking, recommendation systems, or search
3+ years building distributed, low-latency, high-throughput batch and online ML services
3+ years deploying and maintaining production ML pipelines, feature engineering, and model monitoring
2+ years of Python experience with distributed frameworks, SQL, and cloud infrastructure
2+ years of experience with TensorFlow, PyTorch, scikit-learn, and Spark ML
Preferred Qualifications: 5+ years building ML models for ads, search, or recommender systems, including CTR/CVR prediction, ad selection, keyword bidding, and Learning to Rank
2+ years building and deploying online experimentation frameworks at scale
2+ years building ad selection frameworks using reinforcement learning or contextual bandits
Experience fine-tuning large language models
1+ years building products using generative AI-powered autonomous agents
Translation Company Name: adMarketplace