Dmytro Vovk
Offer Dmytro work on your next project.
Private message 
Kyiv,
Ukraine
17 days 10 hours back
available for hire
1 Safe completed
10 months 3 days back
1 client
age 23 years
on the service 10 months 17 days
Rating
Successful projects
Average rating
Language proficiency level
Українська: fluent
English: intermediate
Skills and abilities
Mobile development
Portfolio
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Viral Video Content App (IOS)
Apps for iOS (iPhone and iPad)Developed an iOS video library app optimized for handling large volumes of content. Created a backend for storing and retrieving videos with search capabilities by tags and titles. Integrated Firebase for data management and user interaction. Added an embedded video editor, content management tool, and a like system to increase engagement.
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Call Recorder (Android)
App Development for AndroidCreated an Android application for call recording using Twilio for handling VoIP calls. Implemented call recording, playback, and support for outgoing IP calls. Set up a server on Ubuntu to process Twilio webhooks and call events. Integrated an AI-based API for automatic transcription of recorded calls, providing search and easy reading of conversation summaries.
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Call Recorder (IOS)
Apps for iOS (iPhone and iPad)Developed an iOS application for call recording using Twilio and CallKit for handling incoming and outgoing VoIP calls. Implemented call recording, playback, and number purchasing via Twilio with server-side processing. Set up an Ubuntu server for handling web hooks and integrated an API for transcribing recorded calls using AI, enabling the creation of summaries with search functionality.
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Send Documents Fax (IOS)
Apps for iOS (iPhone and iPad)Developed an iOS app for sending faxes with support for multiple document formats. Implemented an embedded text editor and page management tools. Integrated external APIs for generating and sending faxes directly from the app. Users can edit, view, and manage documents before sending, ensuring a convenient and efficient faxing process.
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Cleaner (IOS)
Apps for iOS (iPhone and iPad)Developed an iOS app Cleaner with features for deleting unwanted photos, videos, contacts, and calendar events. Added a protected folder for private storage and viewing of photos. Implemented video compression and smart detection of duplicates or similar media files. Optimized performance for stable operation even on low-power devices.
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Voice Reader (iOS)
Apps for iOS (iPhone and iPad)Created an iOS app for reading e-books with support for various formats. Implemented voice selection: free voices via AVSpeechSynthesizer and premium AI-based voices through external APIs. Added smart text segmentation, dynamic loading, and caching for smooth and continuous playback.
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GPT Chat Assistant (IOS)
Apps for iOS (iPhone and iPad)Developed an assistant app based on GPT using the OpenAI API. Implemented secure obfuscation of the API key and support for multiple interaction modes with the API, including chats, text completion, and streaming. Integrated Firebase for user authentication and account management. Created a token-based system to control usage and unlock premium features for subscribers.
Reviews and compliments on completed projects 1
1 August 2025
316 USD
Development of VPN service
Quality
Professionalism
Cost
Contactability
Deadlines
Everything was liked. From the moment of communication to project implementation.
Aleksey Alekseyev
| Personal | Response review
Activity
| Latest proposals 6 | Budget | Added | Deadlines | Proposal | |
|---|---|---|---|---|---|
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Connect and configure the paywall in iOS.
90 USD
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iPhone video streaming
609 USD
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Connect subscription in iOS app
68 USD
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Technical support for mobile app for iOS (swift)
16 USD
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Development of VPN service
316 USD
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An experienced iOS developer is needed to implement a mobile application based on artificial intelligence
271 USD
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