Machine Learning Engineer, Data Science Expert

1 month ago


Can Tho, Can Tho, Vietnam Liftoff Full time
About Liftoff

Liftoff is a leading growth acceleration platform for the mobile industry, helping top advertisers, publishers, game developers, and demand-side platforms (DSPs) scale revenue growth with innovative solutions to market and monetize mobile apps.

Job Summary

We are seeking a highly skilled Machine Learning Engineer to join our Supply ARO team, which is crucial to the success of our Publisher side business. Our team is dedicated to designing and building advanced machine learning models that process over a billion events daily, driving significant impact and value.

Key Responsibilities
  • Develop and train machine learning algorithms to dynamically identify and prioritize high-value inventories for Real-Time Bidding (RTB) buyers.
  • Continuously explore and reassess previously underperforming inventories to capture opportunities when buyer demand shifts positively.
  • Utilize existing machine learning infrastructure and enhance it as needed to support optimization goals, ensuring scalability and efficiency for processing high-throughput, low-latency bid requests.
  • Design, execute, and oversee experiments to test different optimization strategies, ensuring offline estimations closely mirror online revenue estimations using techniques such as counterfactual estimation and inverse propensity score methods.
  • Perform statistical analysis on experiment results to fine-tune algorithms and improve performance.
  • Collaborate with other engineering teams to ensure a robust data pipeline, logging, and aggregating data efficiently and effectively, allowing ML models to leverage this data in bidder technology.
  • Participate in fostering an "engineering excellence" culture through the adoption of state-of-the-art tools, risk-driven testing, explainable systems, and rigorous code reviews.
Requirements
  • BS/MS degree in Computer Science, Data Science, Mathematics, or a related field.
  • 10+ years of total professional technical experience.
  • 5+ years of experience as a Software Engineer.
  • 8+ years of experience leading and executing machine learning projects.
  • Deep expertise in machine learning algorithms.
  • Extensive practical experience with ML frameworks and libraries.
  • Proficiency in at least one of the following programming languages: Python, Go, R, C++, or Java.
  • In-depth knowledge of distributed systems and data processing frameworks.
  • Strong problem-solving and analytical skills.
  • Experience with data visualization tools such as Tableau or Looker.
  • Ability to effectively communicate complex technical concepts to both technical and non-technical audiences.
  • Highly self-motivated and comfortable working in a dynamic, fast-paced environment.
  • Strong passion for learning and contribution to team success.
Preferred Experience
  • Experience in the Ad Tech industry.
  • Strong mathematical background, particularly in statistics.
  • Experience in Data Engineering and Feature Stores.
Compensation

Liftoff offers a competitive total compensation package, including equity and health/vision/dental benefits associated with your country of residence. Base compensation will vary based on candidate location and experience.



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