Publication
Swift Best Practices and Tips by Toptal Developers
https://www.toptal.com/developers/swift/tips-and-practices
Patrik is currently unavailable
Patrik Vaberer
Verified Expert in Engineering
iOS Developer
Bratislava, Bratislava Region, Slovakia
Toptal member since March 31, 2016
Bio
Patrik is a freelance iOS developer with extensive experience in startups. His latest projects have been top-notch apps for US startups Johnson & Johnson and Telepass done in Swift. Patrik delivers top quality, pays attention to details, and is the type of person who gets things done.
Portfolio
Telepass Spa
Swift, iOS, Agile Software Development, Scrum, Cocoa Touch, Firebase, UIKit...
BabyCenter
Realm, Objective-C, Swift, Agile Software Development, Scrum, Cocoa Touch...
Reacha, LLC
Azure, Parse, Core, Swift, Google API, MySQL, X (formerly Twitter) API...
Experience
- REST - 10 years
- iOS - 10 years
- Objective-C - 9 years
- Scrum - 9 years
- Cocoa Touch - 9 years
- Core Data - 9 years
- Swift - 8 years
- Jenkins - 5 years
Work Experience
iOS Developer
2021 - 2023
Telepass Spa
- Worked on a team to design and develop a new module from scratch written in SwiftUI. Met all project requirements and delivered them on time and within budget.
- Collaborated closely with nine other iOS developers, providing detailed feedback on code changes and ensuring that all code met established coding standards and best practices via pull requests.
- Trained and mentored junior developers, fostering a culture of knowledge sharing and continuous learning.
Technologies: Swift, iOS, Agile Software Development, Scrum, Cocoa Touch, Firebase, UIKit, REST, SwiftUI
iOS Engineer
2017 - 2017
BabyCenter
- Communicated with multiple departments to deliver new features quickly.
- Worked on an iOS app with a team of three iOS engineers.
- Used the Atlassian software kit to get things done.
- Operated within Scrum methodology with regular meetings like daily standups, sprint planning, and grooming.
- Used Charles to debug RESTful APIs and help to find edge cases when the API failed.
- Worked extensively with push notifications and Localytics.com to increase engagement.
- Implemented a custom syncing mechanism between the back end and mobile.
- Testimonial: "Patrick started adding value to our application almost immediately, and, despite working remotely, we had great communication. He was a great addition to the team, and is a great asset to any team he works with." – Alex Leite, via LinkedIn.
Technologies: Realm, Objective-C, Swift, Agile Software Development, Scrum, Cocoa Touch, Sketch 3, UIKit, REST
iOS Engineer
2016 - 2017
Reacha, LLC
- Helped the client to build the MVP.
- Led and designed the IT architecture to the successful release to the App Store.
- Integrated Facebook, Instagram, Twitter, and LinkedIn API.
- Leveraged and worked with push notifications.
- Integrated Parse and Layer to build a native chat into the app.
- Worked with Crashlytics for bug tracking.
- Implemented extensive analytics to ensure measuring right KPIs using Mixpanel.
- Testimonial: "I've been working with Patrik to create a new live business App called REACHA. We hired Patrik as lead iOS developer and he continues to work with us on many levels, managing the build and rollout of this groundbreaking business networking App. He also manages back-end resources very well and successfully works with our product and UX design team seamlessly with great attention to detail. I've worked with many developers over the last 10 years. Patrik is definitely top of my list and I look forward to working with him for many more years to come." – Grant Lyons, via LinkedIn.
Technologies: Azure, Parse, Core, Swift, Google API, MySQL, X (formerly Twitter) API, Facebook API, UIKit, App Store, REST
iOS Engineer
2016 - 2017
Johnson & Johnson
- Worked on an iOS app with a team of six engineers.
- Created tests to ensure quality and make sure the codebase is scalable in the future.
- Operated within Scrum methodology with regular meetings like daily standups, sprint planning, and grooming.
- Communicated with multiple departments to deliver new features quickly.
- Testimonial: "It has been my pleasure to work with Patrik for the past few months. He is a high-performing team member that never disappoints. He is always eager to go above and beyond requirements to create a better user experience." – Diego Urquiza, via LinkedIn.
Technologies: CocoaPods, Alamofire, SonarQube, Core Data, Swift, Agile Software Development, Scrum, Cocoa Touch, TestFlight, UIKit, REST
iOS Engineer
2015 - 2016
STRV
- Developed the full project in Swift.
- Oversaw the whole app development cycle, including maintenance, bug fixing, and performance testing.
- Collaborated with other departments to define and create specifications.
- Led the development using Scrum methodology.
Technologies: AFNetworking, REST APIs, Core Data, Swift, JavaScript, BrainTree, TestFlight, UIKit, App Store, REST
iOS Engineer
2013 - 2014
Ideas2Markets
- Developed the full project in Objective-C.
- Implemented a fully functional iOS app from top to bottom, meeting the client's requirements.
- Successfully released the final version to the App Store.
Technologies: Google Maps, AFNetworking, REST APIs, Core Data, Objective-C, MySQL, Stripe, UIKit, App Store, REST
Project History
Telepass
https://apps.apple.com/app/apple-store/id454224356In addition to the toll, Telepass is now a world of digital services to move you in an easy and smart way. From RC Auto to managing your deadlines, expenses, and vehicles, the Telepass App is designed to simplify your every move in and out of the city.
Over 1 million people are already using it; join us too.
Over 1 million people are already using it; join us too.
Velys
A Swift-based app to connect patients with doctors to help with knee surgery. I joined the team to set up the project and architecture, created MVP, and onboarded four other iOS developers to continue supporting the app.
Grideo
https://apps.apple.com/us/app/grideo-social-media-post-maker/id1500554567Grideo is an iOS app for creating social media templates. Its unique editor allows creating beautiful posts by adding photos and text stickers and adjusting the final image with many variations. Apple featured the app.
BabyCenter
https://apps.apple.com/app/apple-store/id386022579With millions of users, the app is ranked number one in the pregnancy category in the App Store and is constantly featured by Apple. I was responsible for creating new features (new modules) and fixing bugs.
Care4Today
Care4Today Connect is a medication management app with patients' and healthcare professionals' (HCPs) input to give you comprehensive health and wellness information beyond medication reminders.
Reacha | Business Network App
Reacha is an innovative on-demand business network that allows people to create live business cards to promote their services or products and uniquely attract new customers. With Reacha, users can create their own live business profile, which is then displayed on a map, allowing potential customers to see where they are located and what they have to offer.
Ripple
Posting and discovering global stories that matter but go unnoticed. A simple way to post a story or article and share it with others.
Wiretap
The concept behind the app is to make favorite shows re-watchable by adding a new layer of engagement for users. The app accomplishes this by sharing the cast and crew's thoughts about a particular episode, which appear time-synced with the playback. This innovative feature allows users to gain a deeper understanding of their favorite shows and connect with the creators more personally.
Font Awesome Swift
https://github.com/Vaberer/Font-Awesome-SwiftA Font Awesome Swift library for iOS. No more image icons anymore. Using this library is very easy; it has more than 700 stars. The Font Awesome Swift library for iOS is an impressive accomplishment that provides users an alternative to traditional image icons. It has more than 700 stars on GitHub.
Publication
Swift Best Practices and Tips by Toptal Developers
https://www.toptal.com/developers/swift/tips-and-practices
Publication
Swift Best Practices and Tips by Toptal Developers
https://www.toptal.com/developers/swift/tips-and-practices
Publication
Swift Best Practices and Tips by Toptal Developers
https://www.toptal.com/developers/swift/tips-and-practices
Publication
Swift Best Practices and Tips by Toptal Developers
https://www.toptal.com/developers/swift/tips-and-practices
Publication
Swift Best Practices and Tips by Toptal Developers
https://www.toptal.com/developers/swift/tips-and-practices
Education
2012 - 2015
Bachelor's Degree in Computer Science
Comenius University Faculty of Mathematics, Physics, and Informatics - Bratislava, Slovakia
Skills
Libraries/APIs
X (formerly Twitter) API, Google API, Facebook API, Core Animation, REST APIs, Google Maps, Alamofire, CocoaPods, Stripe
Tools
Xcode, TestFlight, Sketch 3, Jenkins, Git, SonarQube, Charles Proxy
Languages
Swift, Objective-C, JavaScript
Frameworks
Core Data, Cocoa Touch, UIKit, SwiftUI, AFNetworking, iOS SDK
Paradigms
Agile Software Development, Scrum, REST
Platforms
iOS, Firebase, MacOS, Parse, Azure
Storage
MySQL, Realm, Databases
Other
BrainTree, App Store, Core, Apps, Algorithms, Data Structures, Programming
Collaboration That Works
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
1
Share your needs
Discuss your requirements and refine your scope in a call with a Toptal domain expert.
2
Choose your talent
Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.
3
Start your risk-free talent trial
Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.
Top talent is in high demand.
Start hiring