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Andrii Vysher

@andriivysher

Senior iOS Engineer at NowSite who shipped its main app and 7+ white-label variants.

At NowSite - AI-Powered Website Builder, I owned iOS development for the main product and 7+ white-label variants, taking features from product requirements through App Store release. I evolved a large UIKit codebase with MVVM and Combine while introducing SwiftUI incrementally.

At EmmaCare - Healthcare Virtual Assistant, I owned development and maintenance of a production healthcare app. I built medication tracking and appointment workflows, and integrated HealthKit and backend services for health-data experiences.

Across freelance work on Upwork and client projects at Redwerk, I delivered native iOS applications and interactive game experiences. My work includes 28+ published applications, with Swift and Unity (C#) among the technologies I used.

Experience

Work history, roles, and key accomplishments

Senior iOS Developer

NowSite

Apr 2024 - Jun 2026 (2 years 2 months)

Owned iOS development for the main product and 7+ white-label variants, from requirements through App Store release. Evolved a large UIKit codebase with MVVM, Combine, and dependency injection while introducing SwiftUI via UIHostingController.

Swift SwiftUI UIKit MVVM Combine Dependency Injection Firebase APNS TestFlight App Store Connect CI CD

Senior iOS Developer

EmmaCare

Oct 2019 - Jan 2024 (4 years 3 months)

Owned end-to-end development and maintenance of a production healthcare iOS application, including architecture, core features, and App Store delivery. Built medication tracking, appointment management, and patient workflows with a focus on privacy and accessibility.

Swift UIKit HealthKit Core Data REST Firebase App Store Connect Accessibility

Freelance iOS Software Engineer

Upwork

Feb 2019 - Oct 2019 (8 months)

Delivered production iOS applications across healthcare, SaaS, business tools, and consumer products for international clients. Worked directly with clients from requirements through implementation, testing, release, and post-launch support.

iOS Swift UIKit App Store Submission Client Communication

iOS & Game Developer

Redwerk

May 2016 - Feb 2019 (2 years 9 months)

Developed native iOS applications and interactive game experiences using Swift and Unity (C#) across client projects. Contributed to shipped products including restaurant/business software and consumer mobile applications.

Swift Unity C#iOS Game Development