Overview

Are you ready to shape the security posture of next-generation machine learning systems? At Liftoff, we are pushing the boundaries of what is possible in mobile performance marketing. Our platform processes massive scales of data and powers complex programmatic advertising across the globe. Now, we are expanding our Generative AI initiatives and need a sharp, proactive Application Security Engineer to secure these cutting-edge products. You will operate as a dedicated individual contributor owning application security for Generative AI, Creative GenAI, and emerging technologies. Best of all? This is a fully remote role open to candidates worldwide, allowing you to do impactful work from wherever you are based.

Key Responsibilities

Partner closely with product and engineering teams to embed robust security practices directly into the GenAI development lifecycle.
Perform comprehensive threat modeling, architectural reviews, and vulnerability assessments for GenAI models, APIs, and pipelines.
Build scalable security tools, automation scripts, and guardrails that empower developers to ship secure features quickly.
Investigate emerging threat vectors specific to machine learning and LLMs, designing proactive defenses against prompt injection, data poisoning, and model extraction.
Champion a culture of security awareness across the organization through collaboration, training, and clear guidance.

Requirements

Strong background in application security, software engineering, or a closely related technical field.
Demonstrated experience securing modern web applications, APIs, or cloud-native infrastructure.
A deep curiosity about Generative AI, machine learning architectures, and the unique security challenges they introduce.
Comfort writing code and building automated tools to scale security impact rather than relying solely on manual reviews.
Excellent communication skills with a proven ability to collaborate effectively with cross-functional engineering teams.

What You'll Gain

The chance to make a massive impact at a profitable, industry-leading tech company operating at global scale.
Complete geographic freedom with a truly remote work culture that trusts you to manage your time and output.
Continuous learning opportunities working alongside top-tier security and engineering professionals.
Competitive compensation and comprehensive benefits designed to support your health and well-being.