Mirrai Careers

iOS Developer

JustMarkets

Europe Posted 30+ days ago
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We are looking for a Senior iOS Developer to join the JustMarkets mobile team. You will work on a high-load mobile product with many real-time data updates, complex business logic, and a strong focus on performance and user experience. Our team has unique expertise in research, analysis, and product development. By relying on technical insights and a data-driven approach, we create disruptive future-defining innovations of the fin-tech industry that remain our basis for success.  Responsibilities * Develop and improve native iOS applications * Write clean, reusable and maintainable code * Build functional and user-friendly interfaces * Integrate iOS applications with backend services and APIs * Work with real-time data and complex product features * Take part in code reviews and technical discussions * Help improve app performance, stability and user experience * Prepare iOS features for testing and production together with the team * Work closely with backend, QA, product and design teams Requirements * 5+ years of commercial experience in native iOS development with strong knowledge of Swift and iOS SDK * Strong hands-on experience with UIKit (code-only, no Storyboards) and modern iOS development practices * Solid understanding of OOP, POP, SOLID principles and experience with VIP or Clean Architecture * Experience with asynchronous programming and concurrency using GCD, Swift Concurrency and Combine * Strong understanding of memory management, including ARC and retain cycles * Hands-on experience with REST APIs, GraphQL (Apollo iOS) and WebSocket * Experience with local data storage and iOS security practices, including SQLite/GRDB, Keychain and biometric authentication * Experience with unit and UI testing using XCTest/XCUITest * Experience with Git, Swift Package Manager, CI/CD and Fastlane * Experience with multi-target Xcode projects and application release processes Will be a plus * Experience in FinTech or real-time trading applications * Experience with Firebase and third-party analytics SDKs (Amplitude, AppsFlyer, etc.) * Experience with advanced iOS features such as App Extensions, deep linking and localization We offer * Tax expenses coverage for private entrepreneurs in Ukraine * Expert support and guidance for Ukrainian private entrepreneurs * 20 paid vacation days per year * 10 paid sick leave days per year * Public holidays as per the company’s approved Public holiday list * Medical insurance * Opportunity to work remotely * Professional education budget * Language learning budget * Wellness budget (gym membership, sports gear and related expenses)

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