Olga Vorona
Verified Expert in Engineering
Software Developer
Vancouver, Canada
Toptal member since August 25, 2022
Olga is a software developer with over ten years of experience. During this time, she developed more than 20 iOS applications, some of which currently have around 8 million monthly active users. As a part of a small team of two developers, she built a bank app from scratch in only two months. Olga loves working with an analytics-driven approach to create the best user experience possible in the shortest amount of time.
Portfolio
Experience
Availability
Preferred Environment
Xcode, Swift, Objective-C
The most amazing...
...app I've created is a fully functional bank app I built in two months with the assistance of only one more iOS developer.
Work Experience
Senior iOS Developer
Swiftlane
- Completed the main screen and the pass creation redesign while improving the user experience and the time to reach the goal.
- Added a few integrations with external lock providers to make the distribution of our app easier.
- Set up continuous improvement with Bitrise and saved hours for team members.
Senior iOS Developer
Sberbank
- Created a credit product for small business owners from scratch.
- Collaborated with the analytics and design team to create a great UX.
- Coached four junior developers and taught them essential tools and information needed for their jobs.
iOS Team Lead
Freelance
- Created an innovative augmented reality experience with iBeacon technologies to navigate inside railway stations.
- Developed and launched a TikTok-like app in two months.
- Built and improved more than ten apps for different clients.
iOS Developer
Redmadrobot
- Developed a fully functional bank app from scratch in two months.
- Organized and participated in various knowledge-sharing activities with a design team.
- Redesigned the app for one of the biggest mobile network operators.
iOS Developer
EastBanc Technologies Russia
- Created a research app that applied to the oil industry and helped reduce the time of in-field checks.
- Developed a social network app for Leroy Merlin employees.
- Worked on the Washington Post app, assisting with its redesign.
iOS Developer
Freelance
- Developed an app for a cinema chain from scratch, allowing clients to buy tickets from their iPhones.
- Created an app with 3D tours for users to be able to check out the interior of different venues.
- Built an app that saved a person's life by sending location to lifeguards.
Junior iOS Developer
iBear LLC
- Worked on the most popular, at the time, personal finance product.
- Researched voice assistant functionality before Siri existed.
- Completed app development to the release mode, one of the existing but not published apps.
Experience
Mobile Access App
https://www.swiftlane.com/mobile-access-control/Sber Bussiness
I was the leader of an iOS team consisting of four developers and a part of a larger product team of 16 people. More than 50 developers were working on the iOS app. We developed a successful credit feature from scratch, allowing small business owners to obtain credit directly on the app.
RapidAssist
https://www.rapidassist.co/I was the leader of a team of three developers who worked on and accomplished the app's redesign, adding a chat function and fixing stability issues.
Siren App
https://apps.apple.com/us/app/siren-local-dating-seeking/id1236695355?l=etRussian Railways App
I essentially worked on the railway ticketing service and focused on an iBeacon-based navigation system inside the railway station, an augmented reality quest, and the station information system.
Education
Master's Degree in Computer Science
Altai State Technical University - Barnaul, Russia
Skills
Libraries/APIs
CocoaPods, iOS Native Libraries, REST APIs
Tools
Xcode, Git, SourceTree, Figma, Crashlytics, Sentry, Jenkins, Jira, Notion, Fastlane, Google Analytics, GitHub, GitLab
Languages
Swift, Objective-C, Swift 2, Swift 3
Frameworks
iOS Frameworks, UIKit, iOS SDK, ARKit, Core Bluetooth, Core Location, SwiftUI
Paradigms
Mobile Development, App Development
Platforms
iOS, Mobile, Bitrise, Firebase, Apple, Twilio
Storage
JSON
Industry Expertise
Project Management
Other
Software Development, Mobile UX, Mobile App Development, App Store Development, Mobile Apps, Mobile App UI, Mobile Applications, Source Code Review, Code Review, Task Analysis, Algorithms, Data Structures, iBeacon, WebKit, Technical Hiring, Interviewing, Computer Graphics, Native Mobile Apps, Mobile UI, Interviews, Apps, IT Project Management, Architecture, Team Leadership, Video Chat
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