✦ Luna Orbit — AI & Machine Learning

Machine Learning Engineer

at Liftoff

📍 Remote, US Remote 💰 $215K – $275K USD / year Posted March 06, 2026
Salary $215K – $275K USD / year
Type Full-Time
Experience mid
Exp. Years Not specified
Education PhD in Computer Science, Machine Learning, Economics, or a related field
Category AI & Machine Learning

This role involves developing machine learning models and production systems to optimize mobile advertising performance and revenue.

  • Build statistical models and production systems
  • Tune optimization parameters
  • Design and run experiments
  • Develop applications for advertiser growth
  • Collaborate with cross-functional teams

The technical environment includes Python, ML frameworks like PyTorch and TensorFlow, SQL, and large-scale data analysis and modeling.

The ideal candidate is a mid-level machine learning engineer with a PhD in a related field, strong coding skills, and experience applying ML and economics to large-scale problems. They should be proficient in developing statistical models, tuning algorithms, and working in a collaborative, remote environment.

PhD in Computer ScienceMachine LearningEconomicsor a related fieldindustry experience applying economics or machine learning to large scale problemssolid engineering and coding skillsexcellent team communication and collaboration skills
experience with ad tech
PythonPyTorchTensorFlowscikit-learnSQL
Machine LearningMLstatistical modelsoptimizationA/B testingPythonPyTorchTensorFlowscikit-learnSQLdata analysisdata modelingexperiment designproduction systemsmodel tuning
Machine LearningMLstatistical modelsoptimizationA/B testingPythonPyTorchTensorFlowscikit-learnSQLData AnalysisData ModelingExperiment DesignProduction SystemsModel Tuning
communicationcollaborationteamworkproblem-solvinganalytical thinking
Industry SaaS
Job Function Developing machine learning models and systems for mobile ad tech optimization
Machine LearningMLstatistical modelsoptimizationA/B testingPythonPyTorchTensorFlowscikit-learnSQLData AnalysisData ModelingExperiment DesignProduction SystemsModel Tuningad techproduction systems

Lack of PhD or equivalent experience, No experience with large-scale machine learning applications, Inability to work remotely in the US, Lack of strong coding skills

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