Vedran Burojević, Developer in Zagreb, Croatia
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Vedran Burojević

Verified Expert  in Engineering

Swift Developer

Zagreb, Croatia
Toptal Member Since
March 13, 2018

Vedran is an innovation-focused thought leader who aligns business strategy and objectives with established application development and technology management paradigms to achieve maximum operational impacts with minimum resource expenditures. He has expertise spanning iOS development, team leadership, code review, unit testing, and architectural design. Vedran is skilled at collaborating with cross-functional teams and complying with deadlines and project objectives in a remote work environment.


Caffeinated Code
Swift, SwiftUI, Combine, Objective-C, RxSwift, Figma, LiveStream...
RxSwift, Swift, Objective-C, iOS, Firebase, SwiftUI, Figma, LiveStream...
RxSwift, Swift, Objective-C, iOS, Video Livestreaming, Figma, LiveStream...




Preferred Environment

RxSwift, Swift, iOS, SwiftUI, Combine, Xcode, iOS SDK

The most amazing...

...thing I've worked on was with the Reddit team on their iOS app.

Work Experience


2018 - PRESENT
Caffeinated Code
  • Designed and built advanced applications for the iOS platform for high-profile clients, including Fortune 500 companies.
  • Won a 2019 German Design Award and Red Dot Award by partnering with a team to create apps with a strong UI/UX focus considering how users feel about entire app interactions.
  • Created and integrated seamless user experiences on iOS by working with world-class designers, top-tier firmware engineers, and server-side API developers.
  • Improved app store performance and user feedback by solving challenging technical problems without known solutions.
  • Delivered projects on time and under budget by continuously discovering, evaluating, and implementing new technologies to maximize development efficiency. Adhered to deadlines and anticipated challenges.
  • Drove feasible technical solutions by communicating with designers, project managers, data users, engineering peers, and upstream and downstream engineer teams.
Technologies: Swift, SwiftUI, Combine, Objective-C, RxSwift, Figma, LiveStream, iOS Frameworks, Lottie, Lottie-iOS

iOS Team Lead

2017 - 2018
  • Managed a high-performing group of developers for key iOS projects as the iOS team lead.
  • Established network opportunities and delivered talks at Croatian iOS meetups while acting as primary liaison.
  • Provided exceptional leadership while overseeing and mentoring junior iOS developers.
  • Leveraged various technologies and state-of-the-art methodologies to execute key projects.
  • Optimized business and development processes to ensure superior project quality.
  • Guided and supported open-source projects, resulting in a direct and positive impact on company success.
Technologies: RxSwift, Swift, Objective-C, iOS, Firebase, SwiftUI, Figma, LiveStream, iOS Frameworks, Lottie, Lottie-iOS, Google Maps SDK

Senior iOS Developer

2014 - 2017
  • Served as a subject matter expert composing engaging iOS development-related blog posts, presenting at iOS meetups, and coordinating with designers to ensure that iOS design best practices were utilized.
  • Cultivated open and reliable lines of communication with back-end developers and delivered essential contributions to defining RESTful APIs for mobile applications.
  • Resolved complex issues under a heavy workload while performing regular code reviews.
  • Gained extensive experience utilizing CircleCI and Fastlane and developed a handbook to share knowledge and support fellow developers.
  • Promoted code stability by writing unit tests, earning recognition for excellent programming acumen.
Technologies: RxSwift, Swift, Objective-C, iOS, Video Livestreaming, Figma, LiveStream, iOS Frameworks, Lottie, Lottie-iOS, Google Maps SDK

While working on the project, I developed new features for the Reddit iOS video player-related experiences and maintained the app by working on bug fixes. I also collaborated with other iOS, Android, and back-end developers in the team to implement new features, helped the team plan the rewrite and refactoring of core features, and increased coverage of unit tests.

IRL Social Messaging

I built new features and maintained a popular social messaging app used across the world. I also collaborated with other developers in the team to fulfill the deadlines and performed regular code reviews.
Limna is an AI-powered art advisor iOS app. I developed it from scratch for the platform. Using augmented reality and machine learning frameworks, I implement real-life measurements of artworks. I also achieved high unit test code coverage.
I led the complete iOS app rewrite project for the AI leadership coach app and enabled users to improve their leadership skills. I also helped the team with a time plan for feature development and the release of the new app while maintaining the old one.

While working on this project, I charted the successful development of a social podcast app that lets users voice their opinions in podcasts. I also enabled users to enjoy a smooth voice-first app experience by building a robust audio engine.

REWE Euro 2020 Scrapbook
In collaboration with other iOS, Android, and back-end developers in the team, we fulfilled clients' expectations. We utilized augmented reality and machine learning frameworks to implement the scanning of real-life scrapbook cards and collecting them in a digital scrapbook within the app.


I helped the team build new features and maintain a popular loyalty card app used in stores in Germany. I also implemented new features in collaboration with other iOS, Android, and back-end developers and mentored and reviewed the code of other team members.

Volvo Car Protection

The project aimed to develop an on-demand insurance feature for the Volvo Cars iOS app. I implemented features that allow drivers to purchase third-party drivers, traveler accident, travel and sports baggage, trailer risk, car rental protection, and international health insurance.

Poq Studio
I helped the team utilize and improve the poq SaaS platform to empower retailers to create highly effective and fully-customized native apps by offering rich functionality to assist in launching a transactional app with a wide array of customer-facing features. I also worked on a core shared framework that powered all client apps.

Formula App

I developed the Formula iOS app for the well-known company that allows users to know what races are coming up, get instant updates on all the action, and look back over all the highlights. I also implemented dynamically created maps with polygons and other race and guest-related information.

Mobile Apps for the Largest Energy Providers in the Netherlands

The goal of the project was to develop an iOS application providing an overview of user electricity, gas, and heat usage. I worked with energy providers and incorporated an in-app bill pay option and the ability to control home thermostats from the dashboard widget.

Lottery App

I developed key application features, including the ability to scan deposit checks, check winnings, and set alerts for game drawings. I also implemented highly custom designs, transitions, and animations.

Mobile Banking Apps for the Croatian and Slovenian Market

I played a key role in developing the most advanced mobile banking apps with the ability to open accounts via in-app video calls and a Touch ID login option. I utilized SSL pinning and other security measures to ensure secure communications with the back-end system.

Truck Parking App

The project involved simplifying the daily search and addition of parking facilities on European highways. I developed an iOS app to provide official parking space data on quality parking spaces away from long-distance highways through the personal experience of a pan-European community. I also developed a custom dynamic driving mode that showed points of interest while driving.

Best Local Service Recommendation Mobile App

While working on this project, I assisted customers in identifying socially-vetted services and aided services in finding word-of-mouth customers by connecting friends and neighbors to share recommendations for local services. I also mentored junior team members.
2008 - 2013

Bachelor's Degree in Programming and Algorithms

Zagreb University of Applied Sciences - Zagreb, Croatia


Divide and Conquer, Sorting and Searching, and Randomized Algorithms



RxSwift, Alamofire, CocoaPods, SnapKit, Fabric, Lottie-iOS, Google Maps SDK, Core Audio


Xcode, Crashlytics, Git, Fastlane, CircleCI, Figma


Cocoa Touch, iOS SDK, Core Data, SwiftUI, iOS Frameworks, Combine


Objective-C, Swift


VIPER Architecture, Unit Testing, Model View ViewModel (MVVM), MVC Design


Firebase, iOS


GitFlow, Code Review, Reveal, Lottie, Video Streaming, Video Livestreaming, LiveStream, Algorithms, Augmented Reality (AR), Machine Learning

Collaboration That Works

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