Viktor Nesic

@vikktorn

Senior Mobile Developer, iOS, Android, and Kotlin Multiplatform

Serbia
Inglés, Serbio, Croata
Parte de la información aparece en idioma inglés.
Sobre mí
I help businesses build reliable mobile apps, improve existing products, and solve complex technical challenges. I'm a Senior Mobile Engineer with 10+ years in software development and experience across 20+ mobile apps, specializing in iOS (Swift, SwiftUI, UIKit), Android (Kotlin, Jetpack Compose), and Kotlin Multiplatform. I work on native development, bug fixing, app maintenance, Firebase and API integrations, offline-first solutions, architecture reviews, and accessibility. My focus is on practical solutions, maintainable code, and long-term product quality.... Lee más

Habilidades

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vikktorn
Viktor Nesic
desconectado • 

Revisa mis servicios

Desarrollo de multiplataforma
I will build kotlin multiplatform kmp apps for android and ios
DeUSD 105 / proyectoMás información
Desarrollo de aplicaciones para iOS
I will develop native ios apps using swift swiftui and uikit
DeUSD 115 / proyectoMás información

Porfolio

Experiencia laboral

Merkle

Senior Mobile and Frontend Engineer

Merkle • Tiempo completo

Mar 2021 - Sep 2026 • 5 yrs 6 mos

Worked on native iOS, Android, Kotlin Multiplatform (KMP), and frontend projects, covering application development, production maintenance, technical assessments, and engineering collaboration. Selected projects and contributions: - Hansgrohe ProApp - iOS & Kotlin Multiplatform Developed Swift/UIKit features for an enterprise iPad application using a shared Kotlin data layer. Worked with GraphQL, SQLDelight, offline data access, media handling, and content synchronization as part of a multidisciplinary team. - Migros iMpuls Coach - iOS Maintenance Maintained an existing production iOS application, updating dependencies, API endpoints, authentication/session handling, and WKWebView integrations. Prepared and distributed TestFlight builds for QA and supported release preparation. - European Bank (NDA) - Mobile Architecture Assessment Reviewed existing iOS and Android design-system implementations and provided recommendations for reusable components, design tokens, accessibility, and migration strategies. The client accepted the assessment recommendations. - Bucherer - iOS WebView Proof of Concept Independently developed an iOS prototype to evaluate website integration, navigation behavior, and payment-flow feasibility. Documented technical limitations and implementation estimates. - CGIAR - Frontend Development Developed reusable Twig, SCSS, and TypeScript components for a Drupal-managed website. - Internal Engineering Contributed to KMP libraries and application templates involving native SwiftUI and Jetpack Compose interfaces, shared state management, and MVI patterns. - Technical Interviews Designed a Kotlin BFF coding challenge, reviewed candidate solutions, and conducted technical interviews for senior mobile engineering positions. - Core technologies: Swift, UIKit, SwiftUI, Kotlin, Java, Jetpack Compose, KMP, Firebase, REST, GraphQL, SQLDelight, MVVM/MVI, Git, CI/CD.