Liftoff is a leading AI-powered performance marketing platform for the mobile app economy. Our end-to-end technology stack helps app marketers acquire and retain high-value users, while enabling publishers to maximize revenue across programmatic and direct demand.
Liftoff’s solutions, including Accelerate, Direct, Monetize, Intelligence, and Vungle Exchange, support over 6,600 mobile businesses across 74 countries in sectors such as gaming, social, finance, ecommerce, and entertainment. Founded in 2012 and headquartered in Redwood City, CA, Liftoff has a diverse, global presence.
Responsibilities:
- Design, develop, and implement machine learning models to predict competitive bidding landscape, conversion rate, ad relevance to users etc.
- Analyze data to identify useful relations, patterns and features that are predictive of user behaviors, preferences, intents, interests
- Continuously identify and explore new and unconventional data sources
- Generate hypothesis and design effective online experiments to continuously iterate and improve on algorithm performance
- Take on unique modeling challenges of data sparsity, delayed feedback, as well as modeling in the context of privacy restrictions
- Work with engineering and operations teams to build machine learning models, monitor and evaluate their health and effectiveness in production
- Use strong communication skills (verbal and written) to explain statistical and machine learning concepts to both technical and non-technical audiences
Requirements:
- Three or more years of experience; Masters or PhD in Computer Science, Economics, Statistics, Math, Data Science, Engineering, or related field
- Be an expert in at least one scientific programming language (Python is strongly preferred)
- Be an expert in probability distributions, statistical modeling and machine learning
- Be proficient with structured query language (SQL)
- Be proficient with Bayesian statistics and modeling
Bonus:
- Be familiar with at least one deep learning framework (e.g. PyTorch, TensorFlow)
- Have experience deploying effective ML models to production
- Have experience with auction dynamics and bidding strategies
- Have experience maintaining high quality production code
- Have experience connecting to data sources and prototyping data pipelines
- Adtech experience is a plus
Travel Expectations:
We offer several opportunities for in-person team gatherings, including but not limited to project meetings, regional meetups, and company-wide events. We expect our employees to attend these gatherings at least once per quarter. These gatherings provide essential opportunities for collaboration, communication, and team building.
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Please see the independent bias audit report covering our use of Covey here.
Liftoff offers a fast-paced, collaborative, and innovative work environment where employees are empowered to grow and make an impact. We’re shaping the future of the mobile app ecosystem—join us and help accelerate what’s next.
Liftoff’s compensation strategy includes competitive salaries, equity, and benefits designed to support employee well-being and performance. We benchmark compensation based on role, level, and location to ensure fairness and market alignment. Benefits may include medical coverage, wellness stipends, and additional perks based on your country of residence.
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.
Agency and Third Party Recruiter Notice:
Liftoff does not accept unsolicited resumes from individual recruiters or third-party recruiting agencies in response to job postings. No fee will be paid to third parties who submit unsolicited candidates directly to our hiring managers or Recruiting Team. All candidates must be submitted via our Applicant Tracking System by approved Liftoff vendors who have been expressly requested to make a submission by our Recruiting Team for a specific job opening. No placement fees will be paid to any firm unless such a request has been made by the Liftoff Recruiting Team and such a candidate was submitted to the Liftoff Recruiting Team via our Applicant Tracking System.
