Founding/Senior Mobile Developer (iOS, Swift, Kotlin) - New York - Hybrid - Opportunity to work for

Founding/Senior Mobile Developer (iOS, Swift, Kotlin) – New York – Hybrid – Opportunity to work for a well-known Series D Funded Company!

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One of the US’s most well known consumer electronics companies – known as a leader in the space that they are in, are currently searching for an experienced Founding/Senior Mobile Developer (iOS, Swift, Kotlin) to join their growing Mobile division!

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You probably will have heard of them as their meteoric rise has made them the leader in their space with many families having their product in their own homes!

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This is an excellent opportunity for an experienced Mobile Developer with iOS, Swift, or Kotlin experience to take the next step into a challenging position with a stable, well-known American brand name and leader!

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About the Company:

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Founded just over a decade ago, they have taken the market by storm.

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They raised $50m in Series D funded in late 2025, meaning they have raised over $125m in total since their foundation.

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Their product offerings include physical consumer electronic devices, a sophisticated app, and research material provided by industry-leading medical professionals, scientists, engineers, and thought leaders.

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They generate over $100m in revenue and their products are used by families all across the US!

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They are trusted by over one million families!

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They have an office in Central Manhattan and they offer a flexible, hybrid working culture.

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About the Founding/Senior Mobile Developer (iOS, Swift, Kotlin) Vacancy:

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For their new team, you will be joining as the Founding Mobile Developer.

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As the first mobile engineer on a brand-new Growth team, you will be part of a cross-functional team that owns the whole customer funnel, from initial consideration to purchase, subscription, engagement, and recommendation.

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Additionally, you will be the first R&D engineer at their US site, where your boss and the rest of the team will be in various time zones.

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Someone that maintains context, makes choices, unblocks themselves, and understands when to ask a question instead of waiting for a sync is what they are searching for.

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You will:

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• Create and deliver features for iOS and Android from start to finish, including paywalls, onboarding, subscription flows, in-app messaging, and referral mechanics. Work at all client stack levels, including backend, product, design, and quality assurance

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• Create the client side of our measurement system, which includes feature flags, experiment assignment, and event instrumentation. Each decision the team makes is assessed using data

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• Examine code, assess implementations, and provide constructive criticism

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• Use Kotlin Multiplatform and Compose for iOS; they are already working with it. If you have any experience with KMP or would like to learn more, they are open to that

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Ideal Requirements for the Founding/Senior Mobile Developer (iOS, Swift, Kotlin) Vacancy:

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• Several years building production mobile apps, on both iOS and Android

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• Strong Kotlin and Swift

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• Production experience with Jetpack Compose and/or SwiftUI

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• Experience owning a project end to end and shipping it

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• Solid grounding in OOP, concurrency and clean architecture

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• Real care about UX, testing and code quality

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• Kotlin Multiplatform - an advantage

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Apply to the Role:

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Roles like these are snapped up very quickly, so act now if you do not want to miss out! Reply to this advert or email your CV to richard@weareorbis.com

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