Senior Application Security Engineer

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Growth-stage Verified - from the job posting source checked Jun 20, 2026

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About this role

Senior Application Security Engineer APAC | Remote | EMEA | Americas (EST only) RevenueCat removes the headaches of building and scaling in‑app subscriptions. Since graduating from YC's S18 batch we've grown into the default monetization platform for mobile: we're in >40% of newly shipped subscription apps, we process $12B+ in annual purchase volume, and we help everyone from a solo dev in Brazil to the OpenAI mobile team understand and grow their revenue. We're a remote‑first crew of 150+, spread across 25+ countries, and guided by values we actually practice: Customer Obsession, Always Be Shipping, Own It, and Balance. If you want your work to touch hundreds of millions of end‑users (and help the developers behind them get paid), you'll fit right in. THE ROLE: We are looking for a Senior, proactive Application Security Engineer to work closely with engineering teams, PMs and external parties to ensure that RevenueCat's products are secure. RevenueCat has a fast-shipping culture. Your mission is to help to keep security at that speed, invest in automatic tooling to prevent certain kinds of security issues, identify common patterns and create frameworks that make building secure applications the default, so frictionless that adoption is natural and enthusiastic. Our product is used extensively in top-tier apps, and is used to gate access to paid features. As such it needs to implement novel methods to prevent tampering and keep security high. Other responsibilities will be: - Participate in security code and system reviews, threat modeling and risk assessments. -

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