Mobile Engineer
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About the Role
About BurjX BurjX is a UAE-born digital asset trading platform and custodian regulated by the Financial Services Regulatory Authority (FSRA) of Abu Dhabi Global Market (ADGM).
Key Skills for This Role
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About Burjx
BurjX is a UAE-born digital asset trading platform and custodian regulated by the Financial Services Regulatory Authority (FSRA) of Abu Dhabi Global Market (ADGM).
We’re building one of the region’s most trusted and secure digital asset platforms, combining institutional-grade infrastructure with a seamless retail experience.
We are looking for a Senior Mobile Engineer to take ownership of our mobile platform across iOS and Android.
This is a high-impact role for someone who wants to build, scale, and continuously improve a production fintech application operating in a security-sensitive and regulated environment.
You will own the full mobile app lifecycle, from architecture and feature development to CI/CD, app store deployment, monitoring, performance optimization, and post-release support.
Tech Stack
React Native, Expo, TypeScript, Zustand, TanStack Query, React Hook Form, Zod/Yup, Expo Router / React Navigation, REST APIs, WebSockets, SecureStore/MMKV, EAS Build, GitHub Actions, Fastlane, Sentry, Firebase Crashlytics, Jest, Detox, Maestro.
Responsibilities
- Own the full mobile development lifecycle including architecture, implementation, testing, release management, monitoring, and ongoing optimization
- Build and maintain production-grade iOS and Android applications using React Native, Expo, and TypeScript
- Manage mobile release workflows including app versioning, code signing, provisioning profiles, certificates, TestFlight, App Store Connect, Google Play Console, phased rollouts, and hotfixes
- Design and maintain scalable mobile architecture across state management, routing, API synchronization, caching, secure storage, offline handling, and error recovery
- Build secure and polished user experiences across onboarding, authentication, KYC, wallet management, deposits, withdrawals, trading, notifications, and account settings
- Develop reliable state and networking layers using Zustand, TanStack Query, REST APIs, Axios/Fetch, and WebSockets
- Implement complex forms and validation flows using React Hook Form, Zod, Yup, or equivalent tooling
- Set up and maintain CI/CD pipelines using EAS Build, GitHub Actions, Fastlane, Bitrise, CircleCI, or similar tooling
- Manage OTA updates, release branches, environment configurations, feature flags, rollback strategies, and production deployments
- Integrate and maintain production monitoring tools including Sentry, Firebase Crashlytics, analytics SDKs, and performance monitoring systems
- Ensure app quality through automated and manual testing using Jest, React Native Testing Library, Detox, Maestro, or similar frameworks
- Investigate production incidents, monitor crash reports, debug issues, and coordinate rapid fixes when required
- Collaborate closely with product, design, backend engineering, QA, compliance, and leadership teams to deliver high-quality mobile experiences
Requirements
- 5+ years of mobile engineering experience with strong production experience in React Native, Expo, and TypeScript
- Proven experience shipping and maintaining production mobile applications end-to-end
- Strong understanding of scalable mobile architecture, state management, networking, caching, performance optimization, and mobile security best practices
- Hands-on experience with EAS Build, OTA updates, CI/CD pipelines, app signing, and App Store / Play Store release workflows
- Experience integrating REST APIs, WebSockets, authentication systems, analytics platforms, crash reporting tools, and third-party SDKs
- Strong understanding of iOS and Android platform requirements, mobile UX patterns, and store review processes
- Experience managing production releases, monitoring systems, debugging crashes, reviewing logs, and coordinating hotfixes
- Ability to operate independently and take ownership in a fast-moving startup environment
- Experience in fintech, crypto, trading, banking, payments, wallets, or regulated environments is highly preferred
What We’re Looking For
We’re looking for builders who take pride in ownership, execution quality, and shipping production-ready software.
This role is ideal for someone who thrives in high-performance environments and wants to help build a category-defining fintech platform in the Middle East.
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