机器学习工程师
Machine Learning Engineer
Liftoff 是移动应用经济中领先的基于人工智能的性能营销平台。我们的端到端技术栈帮助应用营销人员获取和留存高价值用户，同时使发布商能够最大化程序化和直接需求的收入。
Liftoff 的解决方案，包括 Accelerate、Direct、Monetize、Intelligence 和 Vungle Exchange，支持全球 74 个国家的 6,600 多家移动企业，涵盖游戏、社交、金融、电商和娱乐等行业。公司成立于 2012 年，总部位于加利福尼亚州 Redwood City，拥有多元化和全球化的业务布局。
**关于 Revenue Engine 团队**
Revenue Engine 团队致力于理解移动广告技术市场的基本经济规律，包括需求弹性以及竞争的影响。该团队由机器学习工程师、软件工程师和数据分析师组成，他们提出理论，通过实验和分析验证这些理论，并利用所学知识构建生产系统，以提升 Liftoff 及其广告客户的成果。
**作为 Revenue Engine 团队的机器学习工程师，你将：**
- 构建统计模型和生产系统，平衡广告客户表现与业务目标。
- 调整优化参数，衡量内部竞争，并对动态环境进行建模。
- 设计并运行实验，验证支撑移动广告技术经济的理论。
- 开发在广告客户预算保留与增长、最优利润率分配和竞价创新等领域的应用。
- 与具有多样化背景的世界级工程师团队合作，并与公司其他部门（如运营、GTM）的同事协作。
- 使用强大的沟通能力（口头和书面）向技术和非技术受众解释统计和机器学习概念。
- 通过最先进的工具、风险驱动的测试、可解释的系统以及设计/代码审查，参与“工程卓越”文化。
**要求：**
- 计算机科学、机器学习、经济学或相关领域的博士学位。
- 在工业界应用经济学或机器学习解决大规模问题的经验。
- 扎实的工程和编码技能。
- 优秀的团队沟通和协作能力。
- 具有广告技术经验者优先。
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**地点：**
此职位的首选地点是加利福尼亚州内。
_我们是一家以远程办公为主的公司，在美国设有 Redwood City、洛杉矶和纽约市的办公中心。_
查看英文原文
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.
**About the Revenue Engine team**
The Revenue Engine team works to understand the fundamental economics of the mobile ad tech marketplace, including the elasticity of demand and the effects of competition. The team of machine learning engineers, software engineers, and data analysts develops theories, validates those theories with experiments and analyses, and uses the learnings to build production systems that improve outcomes for Liftoff and its advertisers.
**As a Machine Learning Engineer on the Revenue Engine team, you will:**
- 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 (e.g. Operations, GTM).
- 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.
**Requirements:**
- 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.
- Experience with ad tech is a solid plus.
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**Location:**
The preferred location for this role is within California.
_We are a remote-first company with US hubs in Redwood City, Los Angeles, and New York City._
**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.
**Compensation:**
Liftoff offers all employees a full compensation package that includes equity and health/vision/dental benefits associated with your country of residence. Base compensation will vary based on the candidate's location and experience.
The following are our base salary ranges for this role:
- **SF Bay Area, Los Angeles/Orange County, NYC, Seattle**: $235,000 - $275,000
- **All other cities and towns in our approved states:** $215,000 - $255,000
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#LI-EL1
#LI-REMOTE
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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.