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Software Engineer, ML Data
LiftoffSan Francisco Bay Area $180,000 - $230,0006+ years
Apply 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 team:
With our success over the past 10 years, we are ready to move beyond our current technologies and build the next generation ML Platform to align with our current business needs as we continue to grow. Currently using a custom setup, we handle 1.5 billion ML inferences per second, every day. We are now building a new ML platform to support neural networks at that scale to increase the intelligence of our models.
As a Software Engineer on the Machine Learning Data Platform team at Liftoff, you will:
- Work with an experienced team of ML, Software, and Infrastructure Engineers that are building the ML platform for Liftoff
- Design, engineer & implement reliable, scalable, and cost-efficient systems to support data lake infrastructure, dataset generation, model training infrastructure, analytics, reporting and monitoring infrastructure
- Deliver business results by enabling next generation ML models and technologies
- Utilize vendor-based products (AWS, Weight & Biases, etc.), open-source technologies (PyTorch, PySpark, Trino, Hive, Iceberg, Clickhouse, etc.) and in-house tooling
Desired qualities and experience:
- Very strong coding ability in Python and Golang.
- Strong core CS fundamentals (data structures, algorithms, architecting systems)
- 6+ years of industry experience
- Experience with Spark is a plus.
- Experience working in a high-growth startup atmosphere is a plus
- Experience building Machine Learning tooling or platforms, in particular when applied to large-scale problems, is a big plus
- A passion for quality and excellence, and the ability to temper it when necessary to ship
Location:
This role is eligible for hybrid work, 2 days per week in one of our Bay Area offices in Redwood City or San Francisco.
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: $180,000 - $230,000
#LI-CM1
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.
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