Machine Learning Engineer, Conversion ML

Liftoff Mobile

Staff Machine Learning Engineer developing and maintaining ML models impacting business outcomes at Liftoff, an AI-powered performance marketing platform for mobile apps.

Posted 6/3/2026full-timeRemote • California, Colorado, Florida, Idaho, Illinois, Massachusetts, Minnesota, Missouri, Montana, Nevada, New Jersey, New York, Oregon, Texas, Utah, Washington • 🇺🇸 United StatesMid-LevelSenior💰 $207,000 - $275,000 per yearWebsite

About the role

Key responsibilities & impact

Develop and maintain machine learning models that are integral to our production decision-making system and directly influencing business outcomes.
Adopt or build new technologies for training and serving ML models (e.g. support large models, increase developer velocity, etc)
Monitor the latest ML research for functional ideas that the team could try.
Optimize ML Pipelines – Build and scale efficient pipelines for real-time and batch processing.
Model Monitoring & Improvement – Track performance, detect drift, and automate retraining.
Use strong communication skills (verbal and written) to explain statistical and machine learning concepts to both technical and non-technical audiences
Collaborate with a team of world-class engineers with diverse backgrounds.
Be part of an “engineering excellence” culture through state-of-the-art tools, risk-driven testing, explainable systems, and code review.

Requirements

What you’ll need

6+ years of industry experience applying Machine Learning (including neural networks) to large scale problems.
Experience with Recommendation Systems
Hands on experience with deep neural networks in production at scale.
Solid engineering and coding skills.
Track record of well-developed execution and timely delivery of projects.
Sets ego aside in pursuit of finding the best solution, no matter where it comes from.
B.S. or higher in Machine Learning, Math, Physics or similar. PhD a plus.
Experience with AdTech is a solid plus

Benefits

Comp & perks

equity
health/vision/dental benefits

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

machine learningneural networksdeep neural networksrecommendation systemsML pipelinesmodel monitoringautomated retrainingstatistical conceptscoding skillsexecution and delivery

Soft Skills

strong communication skillscollaborationproblem-solvingteamworkadaptabilityrisk-driven testingexplainable systemscode review

Certifications

B.S. in Machine LearningB.S. in MathB.S. in PhysicsPhD in Machine Learning or related field