Liftoff is hiring a Machine Learning Engineer for its Revenue Engine team. In this role, you will work to understand the fundamental economics of the mobile ad tech marketplace, building models and production systems that balance advertiser performance with business goals.
What You'll Do
- Build statistical models and production systems to balance advertiser performance with business goals.
- Tune optimization parameters, measure internal competition, and model dynamic environments.
- Design and run experiments to validate theories underpinning the mobile ad tech economy.
- Develop applications in the areas of advertiser budget retention and growth, optimal margin allocation, and bidding innovations.
- Collaborate with a team of world-class engineers with diverse backgrounds as well as peers across the broader company.
- Use strong communication skills (verbal and written) to explain statistical and machine learning concepts to both technical and non-technical audiences.
- Be part of an 'engineering excellence' culture through state-of-the-art tools, risk-driven testing, explainable systems, and design/code review.
What We're Looking For
- A PhD in Computer Science, Machine Learning, Economics, or a related field.
- Industry experience applying economics or machine learning to large scale problems.
- Solid engineering and coding skills.
- Excellent team communication and collaboration skills.
Nice to Have
- Experience with ad tech.
Team & Environment
The team consists of machine learning engineers, software engineers, and data analysts. The company culture is fast-paced, collaborative, and innovative, where employees are empowered to grow and make an impact while shaping the future of the mobile app ecosystem.
Benefits & Compensation
- Medical coverage
- Wellness stipends
- Additional perks based on country of residence
Work Mode
This is a remote position open to candidates in California, Colorado, Idaho, Illinois, Florida, Georgia, Massachusetts, Michigan, Minnesota, Missouri, New Jersey, Nevada, New York, Oregon, Texas, Utah, and Washington.
Liftoff is an equal opportunity employer. We are committed to creating an inclusive environment for all employees and applicants regardless of race, ethnicity, national origin, age, marital status, disability, sexual orientation, gender identity, religion, veteran status, or any other characteristic protected by applicable law.




