Staff Software Engineer, Conversion ML

Liftoff is the leading growth acceleration platform for the mobile industry, helping advertisers, publishers, game developers and DSPs scale revenue growth with solutions to market and monetize mobile apps.

Liftoff’s solutions, including Accelerate, Direct, Influence, 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.

As a Software Engineer on the Conversion ML group, you will:

• Design & implement reliable, scalable, and cost-efficient ML pipelines – Build and scale efficient pipelines for real-time and batch processing.
• Gain hands-on experience with training and serving ML models at scale.
• Develop software that enhances team productivity.
• Model Monitoring & Improvement – Track performance, detect drift, and automate retraining.
• Work with an experienced team of ML, Software, and Infrastructure Engineers
• 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 code review.

Requirements:

• 8+ years of industry experience in Software Engineering and/or Infrastructure
• B.S. or higher in Computer Science
• Very strong coding ability
• Experience with Machine Learning, PyTorch and PySpark
• Deep understanding of computer architectures, data structures, and algorithms
• Experience building machine learning tooling and/or platforms
• Good team communication and collaboration skills

Nice to haves: 

• Previous experience in ad-tech
• Python, Golang

Working at Liftoff is fast-paced, fun, and challenging, and we thrive on innovation. Come join our team and help shape the future of the mobile app ecosystem. If this role sounds interesting to you, we would love to hear from you!

Locations:

This role is eligible for full-time remote work in one of our entities/states and Canada: CA, CO, ID, IL, FL, GA, MA, MI, MN, MO, NJ, NV, NY, OR, PA, TX, UT, and WA.  

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 candidate's location and experience.

The following are our base salary ranges for this role: 

• SF Bay Area, NYC, Los Angeles/Orange County: $250,000 - $315,000
• Seattle/Olympia, San Diego, Santa Barbara: $230,000 - $290,000
• All other cities and towns in our approved states: $215,000 - $270,000

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Please see the independent bias audit report covering our use of Covey here.

Liftoff is committed to providing and maintaining a work environment where all employees and candidates are treated with dignity and respect and that is free of bias, prejudice, and harassment. Liftoff is further committed to providing an equal employment opportunity for all employees and candidates for employment free from discrimination and harassment on the basis of sex, gender (including sexual harassment, gender harassment, and harassment due to pregnancy, childbirth, breastfeeding, and related conditions), sexual orientation, gender identity, gender expression, gender nonconformity, race, creed, religion, color, national origin, ancestry (including association, affili