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Experience level:
More than 5 years
Education level:
Higher
Languages:
Russian: Native
English: B1
Serbian: A2
Developed and maintained iOS apps across 3 telecom and fintech projects, including 2 apps built and launched from scratch.
– Built advanced UIKit interfaces with custom charts and data visualizations.
– Implemented customer identification flows with biometric verification, ID scanning and screen recording using AVFoundation, ReplayKit, and third-party SDKs.
– Integrated Camunda workflows, reducing TTM and increasing engagement from 69% to 91%.
– Delivered a full UI redesign and adopted the company’s design system, improving UX and increasing user satisfaction and loyalty (nSAT/tNPS) from 42% to 64%.
– Improved crash-free rate from 94% to 99.98% using Crashlytics, Sentry, and AppMetrica.
– Designed and refactored application architecture using MVC, MVP, and MVVM with modular services and Coordinator-based navigation.
– Managed App Store publication ensuring compliance with Apple guidelines.
– Developed and launched 10+ consumer iOS apps using Objective-C, Swift, UIKit, CoreData.
– Implemented REST API integrations (URLSession, Alamofire), Push Notifications (APNs, Firebase Cloud Messaging), and In-App Purchases (StoreKit).
– Collaborated with clients to convert requirements into clear and effective solutions.
– Delivered full product lifecycle from concept to App Store deployment.
– Supported an enterprise-scale OSS/BSS system, ensuring SLA compliance.
– Worked cross-functionally to troubleshoot incidents and maintain system reliability.
– Developed and optimized PL/SQL procedures and Oracle Database queries to improve performance.
– Built a strong foundation in problem-solving and analytical thinking, now applying to mobile app engineering.
iOS, Swift, UIKit, SwiftUI, Xcode, Git, GitFlow, Combine, API, JSON, MVC, MVP, MVVM, AppStore, SOLID, Clean Architecture, Scrum, Jira, CocoaPods, SPM, Objective-C, Figma, CI/CD