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I'm a Senior iOS Developer with 10+ years of experience delivering production applications using Swift, UIKit, and SwiftUI. I drove feature development from concept to App Store release as a key contributor in cross-functional Agile teams, shipping a travel app with 500K+ downloads and a 4.0+ rating over 7 years.\n\nI have deep expertise in concurrency (GCD, PromiseKit, async/await, Combine), offline-first architectures, Core Data, RESTful APIs, and CI/CD automation (Fastlane, GitLab). I'm committed to clean code, MVVM, SOLID principles, and data-driven development. I enjoy mentoring developers and collaborating with designers, product managers, and backend engineers, and I’ve extended applications to Android and web platforms.…I'm a Senior iOS Developer with 10+ years of experience delivering production applications using Swift, UIKit, and SwiftUI. I drove feature development from concept to App Store release as a key contributor in cross-functional Agile teams, shipping a travel app with 500K+ downloads and a 4.0+ rating over 7 years.\n\nI have deep expertise in concurrency (GCD, PromiseKit, async/await, Combine), offline-first architectures, Core Data, RESTful APIs, and CI/CD automation (Fastlane, GitLab). I'm committed to clean code, MVVM, SOLID principles, and data-driven development. I enjoy mentoring developers and collaborating with designers, product managers, and backend engineers, and I’ve extended applications to Android and web platforms.

Vitalii Lytvynov

App Developer, Web Developer, Front-End Developer, +2

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I'm a Senior iOS Developer with 10+ years of experience delivering production applications using Swift, UIKit, and SwiftUI. I drove feature development from concept to App Store release as a key contributor in cross-functional Agile teams, shipping a travel app with 500K+ downloads and a 4.0+ rating over 7 years.\n\nI have deep expertise in concurrency (GCD, PromiseKit, async/await, Combine), offline-first architectures, Core Data, RESTful APIs, and CI/CD automation (Fastlane, GitLab). I'm committed to clean code, MVVM, SOLID principles, and data-driven development. I enjoy mentoring developers and collaborating with designers, product managers, and backend engineers, and I’ve extended applications to Android and web platforms.…I'm a Senior iOS Developer with 10+ years of experience delivering production applications using Swift, UIKit, and SwiftUI. I drove feature development from concept to App Store release as a key contributor in cross-functional Agile teams, shipping a travel app with 500K+ downloads and a 4.0+ rating over 7 years.\n\nI have deep expertise in concurrency (GCD, PromiseKit, async/await, Combine), offline-first architectures, Core Data, RESTful APIs, and CI/CD automation (Fastlane, GitLab). I'm committed to clean code, MVVM, SOLID principles, and data-driven development. I enjoy mentoring developers and collaborating with designers, product managers, and backend engineers, and I’ve extended applications to Android and web platforms.

Available to hire

I’m a Senior iOS Developer with 10+ years of experience delivering production applications using Swift, UIKit, and SwiftUI. I drove feature development from concept to App Store release as a key contributor in cross-functional Agile teams, shipping a travel app with 500K+ downloads and a 4.0+ rating over 7 years.\n\nI have deep expertise in concurrency (GCD, PromiseKit, async/await, Combine), offline-first architectures, Core Data, RESTful APIs, and CI/CD automation (Fastlane, GitLab). I’m committed to clean code, MVVM, SOLID principles, and data-driven development. I enjoy mentoring developers and collaborating with designers, product managers, and backend engineers, and I’ve extended applications to Android and web platforms.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

German

Intermediate

English

Advanced

Ukrainian

Fluent

Russian

Fluent

Work Experience

Senior iOS Developer at MonteMango

January 1, 2014 - Present

Drove end-to-end iOS development of flagship travel guide app from initial architecture to App Store release and long-term maintenance. Built major features using Swift, UIKit, MVVM, and evolved codebase through multiple concurrency paradigms (GCD → PromiseKit → async/await, Combine). Implemented CI/CD pipeline with Fastlane and GitLab, streamlining release workflow. Integrated ArcGIS Maps SDK for offline navigation across 100+ city guides and hiking routes. Designed Core Data persistence layer enabling full offline functionality. Mentored junior developer through code reviews and best practices guidance. Collaborated with designers and product team to deliver intuitive UX improvements. Extended application to Android and web platforms, demonstrating versatility across multiple technology stacks.