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Added 28 mins ago
Agent Engineer
Clera
Remote, United States
…systems engineering, platform development, integrations, and full-stack product…
Added 55 mins ago
S
Senior Ecommerce Engineer
Skylight
Remote, United States
- $160,000 to $200,000 USD / year
Full-stack experience: comfortable in both the browser and the server, integrating APIs, and debugging across the request lifecycle
Added 55 mins ago
S
Senior Full Stack Engineer - Customer Service
Skylight
Remote, United States
- $180,000 to $220,000 USD / year
Our ideal candidate is a seasoned full stack engineer with deep experience in building reliable, delightful customer experiences, and a passion for creating products that make life easier.…
Added 2 hours ago
Senior Software Engineer
Braven
Remote, United States
…Fellows over the next decade, Braven is hiring a Senior Software Engineer to lead the design and delivery of the platform, tools, and automation that power Braven’s programs. On the Systems…
Added 2 hours ago
Senior Software Engineer
Braven
Remote, United States
…Fellows over the next decade, Braven is hiring a Senior Software Engineer to lead the design and delivery of the platform, tools, and automation that power Braven’s programs. On the Systems…
Added 3 hours ago
Solutions Lead, International Upmarket
Toast
Remote, United States
Architect the solution. Design how Toast fits into a multi-location group's existing stack:
Added 3 hours ago
Full Stack Engineer (React Native)
Blink - The Employee App
Remote, United States
We're looking for a Full Stack Engineer with strong React Native experience to join a team of talented engineers building the future of the digital workplace. Our product is highly secure,…
Added 7 hours ago
Software Engineer, Product
Atria Health and Research Institute
Remote, United States
Strong full-stack skills: you can design an API and schema, implement backend logic, and build the UI that consumes it.
Added 7 hours ago
Software Engineer, Product
Atria Health and Research Institute
Remote, United States
Strong full-stack skills: you can design an API and schema, implement backend logic, and build the UI that consumes it.
Added 7 hours ago
Staff Software Engineer, Foundations
Atria Health and Research Institute
Remote, United States
Strong full-stack skills: you can design an API and data model, build the UI that consumes it, and wire up monitoring and metrics.
Added 7 hours ago
Staff Software Engineer, Foundations
Atria Health and Research Institute
Remote, United States
Strong full-stack skills: you can design an API and data model, build the UI that consumes it, and wire up monitoring and metrics.
Added 8 hours ago
A&
Appian Developer
Astor & Sanders
Remote, United States
- $130,000 to $150,000 USD / year
Must have bachelor's degree with five (5) plus years (with a minimum of 3 years of experience in Appian) of hands-on full stack experience developing solutions using agile/SAFe…
Added 8 hours ago
Senior .Net Software Engineer
Aristotle
Remote, United States
As a Senior .Net Software Engineer for PredictIt you will get to work on challenging and rewarding projects across the tech stack: from creating innovative web experiences to redesigning…
Added 9 hours ago
Lead Engineer, Internal Tools & Business Systems
Aquaria
Remote, United States
Make build-versus-buy decisions, and manage the SaaS vendors and consultants behind our stack
Added 9 hours ago
Software Engineer - AI & Agentic Systems
Cisco Systems, Inc.
Remote, United States
…Silicon One Software team develops the comprehensive SDK software stack that enables our high-performance silicon products across global…
Added 9 hours ago
Remote Lead Software Engineer for a Healthcare Company
Pearl
Remote, United States
…who cannot afford them. It is looking for a Founding Senior Full-Stack Engineer to build the products that increase the supply of donated…
Added 9 hours ago
Remote Lead Software Engineer for a Healthcare Company
Pearl
Remote, United States
…who cannot afford them. It is looking for a Founding Senior Full-Stack Engineer to build the products that increase the supply of donated…
Added 9 hours ago
Remote Lead Software Engineer for a Healthcare Company
Pearl
Remote, United States
…who cannot afford them. It is looking for a Founding Senior Full-Stack Engineer to build the products that increase the supply of donated…
Added 9 hours ago
Senior Software Engineer
Murmuration
Remote, United States
The Senior Software Engineer is a full-time, salaried position with a comprehensive benefits package (detail below), open to candidates anywhere in the United States.
Added 9 hours ago
Senior Storage Engineer
Runware
Remote, United States
As Senior Storage Engineer, you will own the storage architecture of Runware's AI supercomputer: how model weights, caches and customer data move from object storage on two continents to…
Added 9 hours ago
Sr. Solutions Architect/Sales Engineer-AI Infrastructure (GPU) -West Coast
Liqid
Remote, United States
The right person can whiteboard a GPU inference cluster with a customer’s principal engineer, run a disciplined PoC against agreed success criteria, and translate the technical outcome into…
Added 9 hours ago
Sr. Solutions Architect/Sales Engineer-AI Infrastructure (GPU) -West Coast
Liqid
Remote, United States
The right person can whiteboard a GPU inference cluster with a customer’s principal engineer, run a disciplined PoC against agreed success criteria, and translate the technical outcome into…
Added 9 hours ago
V
Senior QA/SDET
Vouched
Remote, United States
- $180,000 to $210,000 USD / year
You will own quality across the full product lifecycle, from reviewing requirements and designs through test planning, automation, release validation, and production verification. You will…
Added 14 hours ago
IG
Principal Engineer, Populus.ai and Elevate Platform
IPS Group Inc.
Remote, United States
- $125,000 to $160,000 USD / year
The Principal Engineer is the technical owner of the platform behind Populus.ai and Elevate, combining two roles in one: the platform's architect and its lead hands-on developer. You will…
Added 15 hours ago
Lead Software Engineer
TDS Telecom
Remote, United States
The Lead Software Engineer works independently or leads teams of 5 or more people responsible for application design, development, testing, and problem resolution work teams with…

Liftoff

Application Security Engineer, Generative AI

Remote, United States

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Job details

Experience: 5+ years of relevant experience in security engineering or software engineering.
Posting language: English
Posted: Oct 29, 2026

Original 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 Liftoff Security Team

The Liftoff Security team protects Liftoff's customers, users, and employees. We architect Liftoff's security posture, build the tools and systems that defend it, and partner with engineering teams as they ship new products and features. Our work spans the entire stack - infrastructure, web, mobile, and IT - and we approach security from a software engineering standpoint, scaling our impact through automation and well-designed tools. This individual contributor role reports to the Director of Security and owns application security for GenAI, Creative GenAI, and emerging businesses. Application security is the primary focus; you will also contribute across cloud and infrastructure security, support Accelerate and MX as priorities change, and share the team's on-call and incident-response work.

Responsibilities

Establish secure software development standards and integrate security into engineering design and development.
Create self-service paths for engineering teams to build and deploy securely through documented review workflows, reusable tools, and secure design patterns.
Perform design and code reviews, threat modeling, and security assessments for GenAI, Creative GenAI, and emerging businesses, including sandbox design and isolation.
Partner with stakeholders across the organization to build a culture of security-minded builders.
Triage incoming security issues, prioritize vulnerabilities by risk, and work with engineering teams through timely remediation and verification.
Assess vendors and AI tools to ensure their security controls and product features support secure employee use.
Share the security team's on-call and incident-response rotation, including occasional off-hours response.
Conduct blameless post-incident reviews, document findings, and follow through on remediation.
Build maintainable security tools and automation, including an AI-assisted code-security triage pilot that produces actionable findings at a false-positive rate engineering will accept.
Partner with Detection & Response to turn application-security findings and threat models into detection improvements and response guidance.
Contribute across application, cloud, and infrastructure security as priorities change, including Accelerate and MX.

Minimum qualifications

5+ years of relevant experience in security engineering or software engineering.
Excellent judgment in prioritizing security efforts using a risk-based approach.
Experience partnering with cross-functional teams to deliver security improvements and help engineers choose practical fixes.
Write production-quality code for security tools and automation, review pull requests, and navigate large, unfamiliar codebases.
Strong understanding of secure software design, application and API security, authentication and authorization, threat modeling, and code review.
Experience assessing cloud and infrastructure security and contributing beyond a primary application-security specialty.
Ability to quickly understand complex engineering systems and architecture.
Practical software engineering habits: testing, observability, version control, peer code review, continuous integration, and blameless postmortems.
Strong technical writing: design documents, proposals, runbooks, and post-incident reviews that support engineering decisions. Explain security risks and tradeoffs clearly in writing and conversation.
Willingness to share the security team's on-call and incident-response responsibilities, including occasional off-hours response.

Desirable qualifications

Experience with Go, Python, Clojure, or JavaScript; ability to work across languages matters more than a specific language.
Experience securing GenAI applications, designing sandboxes, or evaluating AI-assisted security tools and their output.
Experience scaling cloud security or working with high-velocity software engineering teams, mobile advertising, or other high-volume SaaS environments.

Why This Role is Exciting

High Visibility & Impact: Be a core member of a security team with significant influence.
Diverse & Challenging Projects: Engage in various domains including product security, vendor security, corporate security, and infrastructure security.
Security-Conscious Engineering Culture: Collaborate with engineering teams that value security and are eager to partner on initiatives.
Large-Scale Systems & Technical Challenges: Tackle complex security challenges across Liftoff’s infrastructure and applications.
Hands-On Technical work: Stay deeply involved in technical security efforts, from writing and reviewing code to architecting secure solutions.

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:

The following are our base salary ranges for this role:

SF Bay Area, Los Angeles/Orange County, NYC, Seattle: $200,000 - $250,000 plus bonus
All other cities and towns in our approved states: $184,000 - $220,000 plus bonus

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.

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More about this job

Skills

Prioritization
CI/CD
Technical writing
Security threats
Incident response
Go
Python
JavaScript
Collaboration
Communication skills
Team building

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