Machine Learning Engineer, Relevance and Personalization

Airbnb

Machine Learning Engineer developing end-to-end ranking algorithms and AI technologies at Airbnb. Collaborating with cross-functional teams to enhance search and recommendation systems.

Posted 7/2/2026full-timeRemote • 🇺🇸 United StatesJuniorMid-Level💰 $166,000 - $195,000 per yearWebsite

Tech Stack

Tools & technologies

AirflowJavaKafkaKubernetesPythonPyTorchScalaSparkTensorflow

About the role

Key responsibilities & impact

Work with large scale structured and unstructured data, build and continuously improve cutting edge Machine Learning models for Airbnb product, business and operational use cases.
Work collaboratively with cross-functional partners including software engineers, product managers, operations and data scientists, identify opportunities for business impact, understand, refine, and prioritize requirements for machine learning models, drive engineering decisions, and quantify impact.
Hands-on develop, productionize, and operate Machine Learning models and pipelines at scale, including both batch and real-time use cases.
Leverage third-party and in-house Machine Learning tools & infrastructure to develop reusable, highly differentiating and high-performing Machine Learning systems, enable fast model development, low-latency serving and ease of model quality upkeep.

Requirements

What you’ll need

New grad Ph.D in ML/AI or 2+ years of industry experience in applied ML/AI with a M.S. or B.S degree.
Strong programming (Scala / Python / Java / C++ or equivalent) and data engineering skills.
Deep understanding of Machine Learning best practices (e.g. training/serving skew minimization, A/B test, feature engineering, feature/model selection), algorithms (e.g. neural networks/deep learning, optimization) and domains (eg. natural language processing, computer vision, personalization, search and recommendation, marketplace optimization, anomaly detection).
Exposure to 3 or more of these technologies: Tensorflow, PyTorch, Kubernetes, Spark, Airflow (or equivalent), Kafka (or equivalent), data warehouse (eg. Hive).
Exposure to architectural patterns of large, high-scale software applications (e.g., well-designed APIs, high volume data pipelines, efficient algorithms, models).
Proven ability to choose the right ML method to solve the problem within current constraints while having a clear vision of the next iterations and a good balance between exploration and exploitation of different techniques.
Ability to go deep and build the most impactful solutions while also leading multiple directions across multiple teams and organizations to ensure the success of our mission.

Benefits

Comp & perks

Bonuses
Equity
Employee Travel Credits

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Machine LearningData EngineeringFeature EngineeringModel SelectionNatural Language ProcessingComputer VisionA/B TestingOptimization AlgorithmsHigh-Scale Software ArchitectureBatch and Real-Time Processing

Soft Skills

CollaborationProblem-SolvingLeadership