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Hi, I’m Danil Krymlov, an iOS Engineer with 3+ years of experience and a BS in Computer Science, specializing in Swift, SwiftUI, and MVVM-C architectures. I bring a rare mix of engineering depth and product ownership, having independently scaled apps to $37k+ in revenue while thriving in Agile (Jira/Notion) environments. I focus on shipping clean, scalable code that drives commercial success, whether I’m collaborating with a full team or working solo. I’ve shipped apps across Medical, E-commerce, and Wellness domains, with expertise in the Full Firebase Stack, RevenueCat, and Ads SDKs. I’m comfortable handling UI/UX and localization (8+ languages) myself, and I enjoy building polished interfaces, robust networking, and reliable onboarding flows that users love.…Hi, I’m Danil Krymlov, an iOS Engineer with 3+ years of experience and a BS in Computer Science, specializing in Swift, SwiftUI, and MVVM-C architectures. I bring a rare mix of engineering depth and product ownership, having independently scaled apps to $37k+ in revenue while thriving in Agile (Jira/Notion) environments. I focus on shipping clean, scalable code that drives commercial success, whether I’m collaborating with a full team or working solo. I’ve shipped apps across Medical, E-commerce, and Wellness domains, with expertise in the Full Firebase Stack, RevenueCat, and Ads SDKs. I’m comfortable handling UI/UX and localization (8+ languages) myself, and I enjoy building polished interfaces, robust networking, and reliable onboarding flows that users love.

Danil Krymlov

App Developer, Full Stack Developer, Programmer, +2

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Hi, I’m Danil Krymlov, an iOS Engineer with 3+ years of experience and a BS in Computer Science, specializing in Swift, SwiftUI, and MVVM-C architectures. I bring a rare mix of engineering depth and product ownership, having independently scaled apps to $37k+ in revenue while thriving in Agile (Jira/Notion) environments. I focus on shipping clean, scalable code that drives commercial success, whether I’m collaborating with a full team or working solo. I’ve shipped apps across Medical, E-commerce, and Wellness domains, with expertise in the Full Firebase Stack, RevenueCat, and Ads SDKs. I’m comfortable handling UI/UX and localization (8+ languages) myself, and I enjoy building polished interfaces, robust networking, and reliable onboarding flows that users love.…Hi, I’m Danil Krymlov, an iOS Engineer with 3+ years of experience and a BS in Computer Science, specializing in Swift, SwiftUI, and MVVM-C architectures. I bring a rare mix of engineering depth and product ownership, having independently scaled apps to $37k+ in revenue while thriving in Agile (Jira/Notion) environments. I focus on shipping clean, scalable code that drives commercial success, whether I’m collaborating with a full team or working solo. I’ve shipped apps across Medical, E-commerce, and Wellness domains, with expertise in the Full Firebase Stack, RevenueCat, and Ads SDKs. I’m comfortable handling UI/UX and localization (8+ languages) myself, and I enjoy building polished interfaces, robust networking, and reliable onboarding flows that users love.

Available to hire

Hi, I’m Danil Krymlov, an iOS Engineer with 3+ years of experience and a BS in Computer Science, specializing in Swift, SwiftUI, and MVVM-C architectures. I bring a rare mix of engineering depth and product ownership, having independently scaled apps to $37k+ in revenue while thriving in Agile (Jira/Notion) environments. I focus on shipping clean, scalable code that drives commercial success, whether I’m collaborating with a full team or working solo.

I’ve shipped apps across Medical, E-commerce, and Wellness domains, with expertise in the Full Firebase Stack, RevenueCat, and Ads SDKs. I’m comfortable handling UI/UX and localization (8+ languages) myself, and I enjoy building polished interfaces, robust networking, and reliable onboarding flows that users love.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Russian

Fluent

Ukrainian

Fluent

Work Experience

Founder & iOS Engineer at Private Outsourcing Company

August 1, 2022 - Present

Founded and leading iOS development, delivering end-to-end apps with product ownership and Agile (Jira/Notion) workflows. Responsible for architecture, coding standards, and delivering scalable mobile solutions that support revenue growth (notably $37k+ in app revenue).

iOS Engineer at TalkSeek

January 1, 2023 - Present

iOS application for relationship advice with remote onboarding, localization (i18n architecture), and architecture decisions (Coordinator Pattern, weekly calendar module). Tech: Firebase, OpenAI API, Remote Config, RevenueCat.

iOS Engineer at Driverix

July 1, 2025 - Present

Speed Camera Alerts: Navigation startup. Implemented programmatic navigation using MapKit, Core Location, WidgetKit (live activity), background tasks, local notifications, and haptics. Tech: SQLite, RevenueCat, Lottie, Firebase.

iOS Engineer at Quick Touch Medical

July 1, 2024 - June 1, 2025

Health care tech startup with complex onboarding for multiple user roles. Networking with Alamofire/Combine, Service Container, Auth0, remote notifications, UI state management, AI-assisted chat, PDF reader, bar/QR code scanning, government API integration; designs from Figma; Lottie.

iOS Engineer at One Fit

December 1, 2022 - May 1, 2025

Health & Fitness startup. iOS onboarding, multi-user roles, networking with Combine/Alamofire, Firebase Auth, design from Figma, remote notifications, custom video player with controls, Lottie, trainer/customer chat, VoIP calling via GetStream SDK.

iOS Engineer at 22 Energies

December 1, 2022 - May 1, 2025

Energy insights iOS app built from scratch. Architecture, networking with Combine, programmatic navigation, complex matrix view, state management, haptics, remote notifications, Firebase stack, OpenAI API, RevenueCat; ads provider integrations (Meta, TikTok, AppsFlyer).