---
title: 'Software Engineer, ML Data at Liftoff'
canonical: 'https://feeny.ai/job/software-engineer-ml-data-liftoff-san-francisco-pb41tcras10m'
type: 'job'
last_seen: '2026-09-22'
---

# Software Engineer, ML Data at Liftoff

- **Company:** Liftoff
- **Location:** San Francisco, CA
- **Posted:** 2026-07-21
- **Last confirmed live:** 2026-09-22
- **Apply:** https://liftoff.io/job/8077566?gh_jid=8077566

## Job description

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.

## About Liftoff

## Company Overview
- **One-liner**: Liftoff is an AI-powered performance marketing platform that helps mobile app businesses acquire, engage, and monetize users through a full-stack growth acceleration platform.
- **Entity Type**: Public (NYSE: LFTO)
- **Headquarters**: Redwood City, California, USA
- **Founded**: 2012
- **Founders**: Not publicly listed (company was co-founded by a team; specific founder names are not disclosed on the company site)

## Core Business
- **Primary industry/industries**: Mobile advertising, performance marketing, adtech, programmatic advertising, mobile app analytics
- **Target customers**: B2B – mobile app marketers, publishers, and advertisers across gaming, social, finance, ecommerce, and entertainment sectors
- **Mission or purpose statement**: “Connect people to the mobile apps and tools they love”

## Products & Services
- **Accelerate** (SaaS): ML-powered user acquisition platform that helps advertisers attract and engage high-value users at scale.
- **Monetize** (SaaS): Revenue optimization platform for publishers to maximize earnings through premium demand and superior ad experiences.
- **Vungle Exchange** (Platform): Programmatic exchange that increases reach for performance-driven ad experiences across mobile apps.
- **Intelligence** (SaaS): Analytics suite (including GameRefinery and AppRefinery) that provides app insights to boost revenue, drive growth, and stay competitive.
- **Creative** (Service/Technology): Ad creative production and optimization using innovative strategies and first-party data.

All products are powered by **Cortex™**, Liftoff’s AI-enabled growth platform using advanced neural-network technology.

## Market Standing
- **Valuation/Market Cap**: Not disclosed in available sources (public company; refer to SEC filings for current market cap)
- **Key Metric**: Annual revenue not publicly available from search results; total funding not applicable (public company). Notable: supports over 6,600 mobile businesses across 74 countries.
- **Notable Investors/Partners**: Merged with Vungle in 2021, creating one of the world’s largest independent privacy-friendly platforms. Prior to going public, Liftoff was backed by institutional investors (specific names not listed in search results).
- **Growth Signals**: 
  - Headcount of 645 employees (235 in product + tech) as of latest data.
  - Global presence with offices in Redwood City, London, Berlin, Paris, Singapore, Beijing, Helsinki, Seoul, New York, Los Angeles.
  - Public listing (ticker LFTO) indicates maturity and market confidence.

## Competitive Advantages
- **AI-first platform**: Cortex AI is embedded in all products, using neural networks to unlock patterns from massive datasets for data-driven ROI.
- **End-to-end stack**: Covers the entire mobile app lifecycle – user acquisition, engagement, monetization, and analytics – reducing the need for multiple vendors.
- **Scale and independence**: Post-merger with Vungle, Liftoff is one of the largest independent ad platforms, with a publisher base of 100,000+ active apps and an advertiser base of 4,500+ companies.
- **Privacy-friendly**: Emphasis on privacy-compliant solutions in a rapidly changing regulatory environment.

## Strategic Focus
- Expanding AI and machine learning capabilities across all products (e.g., conversion ML, ML platform).
- Deepening global reach with hubs in key markets (APAC, EMEA, Americas).
- Continuing to integrate Vungle’s assets and drive cross-sell between Accelerate, Monetize, and Intelligence.
- Investing in creative technology and programmatic exchange growth.

## Why Work Here
- **Culture**: Emphasizes data-driven decision-making, agency and urgency, collaboration (“in this together”), and a growth mindset. Employees are encouraged to experiment and learn from failure.
- **Work environment**: Remote-first company with global hubs for purposeful in-person collaboration. Flexible remote work options available across many roles.
- **Benefits**: 
  - Unlimited time off
  - Stock options
  - 401(k) / pension plans with matching
  - Healthcare (health, dental, vision)
  - Connectivity stipend (mobile phone and home internet)
  - Lifestyle stipend (health, wellness, pet, groceries)
  - Professional development support
  - Office snacks and fun team gatherings
- **Diversity & inclusion**: Offices across 10+ locations worldwide; values diverse perspectives.

## Sources
1. [liftoff.ai](https://www.liftoff.ai/)
2. [liftoff.ai/company](https://www.liftoff.ai/company/)
3. [liftoff.ai/company/careers](https://liftoff.ai/company/careers/)
4. [liftoff.ai/company/careers/jobs](https://liftoff.ai/company/careers/jobs/)
5. [builtin.com/company/liftoff](https://builtin.com/company/liftoff)

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