Postúlate en Kit Empleo: kitempleo.com.ar/empleo/q3wpw

We're building the world's first invisible biometric authentication system at TWOSENSE.AI.
Our technology recognizes users by their unique behaviors—how they type, swipe, and move—eliminating passwords and security friction.
No more authentication headaches, just seamless security that works in the background.We're an engineer-founded team of PhDs and exceptional developers who value autonomy, transparency, and technical excellence.
This is a fully remote position where you'll directly shape our product and your career trajectory.What You'll DoYou'll lead the development of our iOS application that collects and processes behavioral biometric data, with a strong emphasis on privacy, efficiency, and performance.
This app will run in the background and authenticate the user based on how they walk with the phone in their pocket, how they swipe and interact with the screen, how they pick up and hold the device, and more.
The initial use case is frictionless authentication for doctors and nurses in hospitals, where every second counts in delivering patient care:Build secure data collection systems for sensors, user interactions,



and other behavioral data with robust background processing capabilitiesCreate APIs and frameworks that allow other iOS applications and cloud systems to integrate with our authentication systemOptimize performance to ensure minimal battery impact while maintaining reliable continuous operationBuild credential management features using iOS Wallet framework and NFC capabilities to enable instant, tap-based authenticationNavigate iOS ecosystem challenges including permissions, App Store requirements, and enterprise deploymentWhat We're Looking ForMust-haves:4+ years of iOS development experience with apps in productionExperience with building native iOS apps using Objective-C and SwiftDeep knowledge of iOS architecture, background processing, and push notificationsStrong understanding of iOS security features and limitationsExcellent problem-solving skills and attention to performance detailsNice-to-haves:Experience with security products or authentication systems (OAuth/OIDC)Experience with Core Motion, Core Location, Core Bluetooth, or HealthKitBackground in behavioral biometrics or continuous data collectionWhy Join UsFully remote - Work from anywhereMeaningful equity - Own a piece of what you buildFlexible PTO - Take time when you need itMonthly project days - Dedicate one day a month to something you're passionate aboutOnline learning resources - O'Reilly, Pluralsight, technical books, etc..
.Team gatherings - Travel covered for company meet-ups and team eventsFull tech setup - High-end equipment, VPN, and resources providedWe're growing fast, and you'll have plenty of opportunities to shape the company, influence our direction, and rapidly grow your career.
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Postúlate en Kit Empleo: kitempleo.com.ar/empleo/q3wpw

📌 Ios Engineer (Buenos Aires)
🏢 Twosense
📍 Buenos Aires