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Liftoff

Senior Security Engineer

Sorry, this job was removed at 06:16 p.m. (PST) on Wednesday, Nov 05, 2025
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Remote
Hiring Remotely in United States
Easy Apply
Remote
Hiring Remotely in United States

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The Senior Software Engineer will own Liftoff's Supply infrastructure, architecting scalable systems, improving development workflows, and mentoring team members while ensuring operational reliability.
Top Skills: GoInfrastructure As CodeKafkaKubernetesNoSQLRabbitMQSparkSQL

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 Liftoff Security Team

The Liftoff security team is dedicated to protecting Liftoff’s customers, users, and employees. Our team architects Liftoff’s security posture, designs and builds infrastructure and security improvements, consults with other teams as they develop and launch new products and features, and proactively plans for the unknown. Our work spans the entire company and technology stack, from infrastructure to web and mobile applications, as well as IT systems. We collaborate with key stakeholders to balance business needs while minimizing security risks. Our approach to security is deeply rooted in software engineering principles, emphasizing automation and the development of well-designed security tools.

Responsibilities
  • Establish secure software development standards and integrate security-minded thinking into the development process.
  • Create frictionless paths for engineering teams to securely build and deploy software.
  • Perform security assessments of systems and services to ensure compliance with security best practices.
  • Partner with key stakeholders across the organization to build a culture of security-minded builders.
  • Assess vendors to ensure their internal security controls meet Liftoff’s security requirements and their products enable secure employee usage.
  • Triage incoming threat events and vulnerabilities and ensure timely remediation and resolution of the issues.
  • Conduct post-incident reviews, document findings, and implement necessary remediations.
  • Develop tooling and automation to detect and mitigate active security threats within our systems.
Requirements
  • 5+ years of experience in security engineering or software engineering.
  • Experience collaborating with cross-functional teams to deliver impactful security initiatives.
  • Comfortable reading, writing, and maintaining code in multiple languages.
  • Strong understanding of application security best practices.
  • Ability to quickly understand complex engineering architectures and systems.
  • Demonstrated ability to prioritize security efforts using a risk-based approach.
  • Proficiency in Go, Python, Clojure, or JavaScript.
  • Experience working on or collaborating with high-velocity, high-performing software engineering teams.
  • Proven track record of scaling cloud infrastructure security.
  • Excellent written and verbal communication skills.

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.

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: $220,000 - $240,000
  • All other California and Washington state locations, Austin, Boston, Denver, Portland: $202,400 - $220,800
  • All other cities and towns in our approved states: $189,200 - $206,400

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We use Covey as part of our hiring and/or promotional process for jobs in NYC and certain features may qualify it as an AEDT.  As part of the evaluation process, we provide Covey with job requirements and candidate-submitted applications. We began using Covey Scout for Inbound on January 22, 2024.

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.

HQ

Liftoff Redwood, California, USA Office

Our US Headquarters is located in vibrant downtown Redwood City, conveniently located within walking distance from the CalTrain station & a wide variety of retail & dining options.

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