George
From Ukraine (GMT+2)
10 years of commercial experience
Lemon.io stats
2
projects done5506
hours workedOpen
to new offersGeorge – SwiftUI, Swift, Objective C
George has 6+ years of commercial experience, including developing SDK for video calls and synchronization HLS streams, creating an Application for GSM/WebRTC calls and real-time chat, and a car-sharing app. He is an open-minded person who’s ready to work both as an individual and in a team. George has team-leading experience on one of his previous projects, in addition to his strong technical background.
Main technologies
Additional skills
Ready to start
ASAPDirect hire
Potentially possibleExperience Highlights
Senior iOS Developer
A virtual business phone system uses the internet to facilitate communication, sidestepping conventional telephone technology. Utilising Voice over Internet Protocol (VoIP), it transforms voice into digital signals that traverse the web, allowing calls to be made and received on diverse devices such as desktops and smartphones.
- Designed, built, and maintained efficient, reusable, and reliable code
- Communicated with multi-functional teams to streamline the workflow
- Suggested technical and functional improvements to add value to the product
- Identified UI problems and bugs and devise efficient solutions
- Distributed app
Senior iOS developer
The product makes mobile commerce easy by helping brands create the best mobile-native shopping experiences for their customers and then make these experiences accessible everywhere by utilizing Deep Links, QR codes, NFC tags, and other similar technologies.
When you want to place an order, all you need to do is tap the link or scan the visual code on the packaging (e.g. a QR code or an App Clip Code). Then you can check out in one tap with Apple Pay. The app takes care of the rest!
- Created architecture for project
- Developed project from scratch
- Created AppClip
Swift iOS Developer
SDK for scanning documents Functions
- detecting documents on photo
- realtime detecting documents
- cropping documents from photo
- black and white filter
- grayscale filter
- Created architecture for new SDK
- Added new functionality to old SDK
- Removed OpenCV from old SDK and migrate to native functions
Lead Developer
SDK for video calls and SDK for synchronization HLS streams
- Developed and distributed iOS SDK for real-time video calls based on WebRTC.
- Developed and distributed SDK for synchronization of HLS streams.
iOS Developer
Application for GSM/WebRTC calls and real-time chat
- Developed real-time chat UI and client logic
- Developed and distributed the application.
- Developed real-time chats with WebSockets.
- Integrated Firebase analytics and push notifications.
iOS Developer
Application that allows you to sell and buy cars
- Developed the application.
- Recreated the screen for search new auto.
- Communicated with the backend team about API optimization.
- Optimized the database in App.
Lead Developer of iOS team
Application for carsharing for the local market
- Developed and distributed application.
- Developed UI based on UIKit.
- Developed real-time chats based on Firebase real-time database.
- Integrated payment services.