iOS Developer - Mobile App Developer Jobs

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<ul><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Develop and improve native iOS applications</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Write clean, reusable and maintainable code</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Build functional and user-friendly interfaces</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Integrate iOS applications with backend services and APIs</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Work with real-time data and complex product features</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Take part in code reviews and technical discussions</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Help improve app performance, stability and user experience</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Prepare iOS features for testing and production together with the team</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Work closely with backend, QA, product and design teams</li></ul>Requirements<ul><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">5+ years of commercial experience in native iOS development with strong knowledge of Swift and iOS SDK</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Strong hands-on experience with UIKit (code-only, no Storyboards) and modern iOS development practices</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Solid understanding of OOP, POP, SOLID principles and experience with VIP or Clean Architecture</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience with asynchronous programming and concurrency using GCD, Swift Concurrency and Combine</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Strong understanding of memory management, including ARC and retain cycles</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Hands-on experience with REST APIs, GraphQL (Apollo iOS) and WebSocket</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience with local data storage and iOS security practices, including SQLite/GRDB, Keychain and biometric authentication</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience with unit and UI testing using XCTest/XCUITest</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience with Git, Swift Package Manager, CI/CD and Fastlane</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience with multi-target Xcode projects and application release processes</li></ul>Will be a plus<ul><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience in FinTech or real-time trading applications</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience with Firebase and third-party analytics SDKs (Amplitude, AppsFlyer, etc.)</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Experience with advanced iOS features such as App Extensions, deep linking and localization</li></ul>We offer<ul><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">Tax expenses coverage for private entrepreneurs in Ukraine</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">Expert support and guidance for Ukrainian private entrepreneurs</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">20 paid vacation days per year</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">10 paid sick leave days per year</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">Public holidays as per the company’s approved Public holiday list</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">Medical insurance</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">Opportunity to work remotely</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">Professional education budget</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">Language learning budget</li><li style="font-family: arial, helvetica, sans-serif; font-size: 12pt; line-height: 1.5;">Wellness budget (gym membership, sports gear and related expenses)</li></ul>