# Sr. React Native Engineer | EU

**Company:** [Pack.com](https://jobs.workable.com/companies/sueHKU8ApayZCd4tviyxSx.md)
**Location:** Remote
**Workplace:** remote

[Apply for this job](https://jobs.workable.com/view/ab58ae4b-259e-43a6-bccc-d161feb6cd16)

## Description

### About Pack.com

Pack.com is a stealth, high-dopamine gamified shopping platform combining mystery packs, loot-box mechanics, and physical goods. Backed by an established iGaming and CS2 operator that has generated substantial market traction since 2024, Pack.com brings the thrill of gaming unboxings to real-world consumer products.

Our platform core is already ~98% built on the web, and we are now expanding our mobile surface. We are looking for an elite **Senior React Native Engineer** to lead the engineering of our iOS and Android mobile apps from development builds through app store distribution.

### The Mission

In our ecosystem, fluid animations and instant responsiveness are not cosmetic afterthoughts—they are the core product. We need a mobile engineer who treats 60fps as the bare minimum, understands native thread architecture, and has built complex, gesture-driven unboxing flows on production mobile devices.

_Note: Pure React web experience or wrapper-based webviews will not fit this role. You must have shipped and maintained native mobile builds on the App Store and Google Play._

### What You'll Own (Hands-On IC Execution)

-   **High-Dopamine Mobile Mechanics:** Write clean, modular TypeScript to architect tactile, gesture-driven interactions—such as mystery pack tears, loot-box carousel reveals, card flips, and real-time drop tickers—using **React Native Reanimated**, **Gesture Handler**, and **Skia**.
-   **Frame-Rate & Native Performance:** Hunt down and eliminate thread bottlenecks, dropped frames, sluggish view hierarchies, and memory leaks across both iOS (iPhones/iPads) and Android (high-end to budget hardware).
-   **Resilient Data Layer:** Build out resilient mobile query pipelines with **GraphQL** and **TanStack Query**, handling optimistic cache updates, pagination, network dropouts, and reconnection reconciliation during live unboxings.
-   **Dual-Store Release Operations:** Manage end-to-end deployment workflows across both platforms: **Apple App Store** (TestFlight, provisioning profiles, store review navigation) and **Google Play** (Internal/Closed testing tracks, store policy compliance), utilizing **Expo (EAS)**, fastlane, Sentry crash monitoring, and safe OTA updates.
-   **Native Bridges & New Architecture:** Leverage React Native’s New Architecture (Fabric, TurboModules) and wire up custom native modules or haptics where JavaScript bridges hit performance limits.

## Requirements

-   **Shipped Native Mobile Track Record:** Strong production experience building and maintaining cross-platform mobile apps in React Native and TypeScript, with direct involvement in apps shipped to both the **Apple App Store** and **Google Play**.
-   **Animation & Gesture Fluency:** Deep, hands-on production experience with **React Native Reanimated** (worklets, shared values) and **Gesture Handler**. Experience with **Shopify React Native Skia** or custom canvas shaders is a major advantage.
-   **Mobile Performance Profiling:** Ability to profile real devices using Xcode Instruments, Android Studio Profiler, and React Native DevTools to diagnose UI/JS thread contention and excessive memory footprints.
-   **State & Network Resilience:** Hands-on mastery of **GraphQL** and **TanStack Query** (React Query) for managing client caching, race conditions, mutations, and offline/reconnection state handling on unstable mobile connections.
-   **Dual-Platform Release Knowledge:** Practical experience managing builds and submissions through both **Apple App Store Connect** and the **Google Play Console**, as well as configuring crash monitoring (Sentry) and over-the-air (OTA) updates.
-   **Focused Individual Contributor:** You want to spend your time writing production code, optimizing performance, and shipping releases in a tight engineering team (~5 devs), without people management overhead or corporate red tape.

## Benefits

-   **Direct IC Ownership:** Pure technical focus with full autonomy over code quality, implementation details, and tooling choices directly alongside technical leadership.
-   **High-Growth Ecosystem:** The financial backing and operational stability of a proven 2024 parent operator paired with the impact of rolling out a brand-new native mobile app.
-   **100% Remote:** Flexible, asynchronous work environment centered on shipped features and smooth mobile experiences.