Vladislav is available for hire

Vladislav Simovic

Verified Expert in Engineering

Software Developer

Belgrade, Serbia

Toptal member since October 19, 2015

Expertise

Git Agile Development REST API JSON Xcode iOS Objective-C Swift WebRTC

Bio

Vladislav has a master's degree in computer science from Belgrade University and over seven years of experience in iOS application development. He has worked a variety of projects for both in-house and third party clients. Vladislav is a solutions-driven engineer who welcomes taking on challenging assignments.

Portfolio

Carnegie Technologies

Swift, Objective-C

Mooris (via Toptal)

Alamofire, Core Data, Swift 3

Skillheart (via Toptal)

Core Data, CocoaPods, Objective-C

Experience

Concurrent Programming - 12 years
Git - 9 years
iPhone SDK - 8 years
iOS - 8 years
REST - 8 years
Objective-C - 8 years
Agile Software Development - 8 years
Swift - 5 years

Availability

Part-time

Preferred Environment

iOS, SourceTree, Git, Xcode

The most amazing...

...thing I've developed is an iPhone app that allows users to connect their phone to smart room settings, enabling them to control lights, AC settings, and more.

Work Experience

iOS Team Lead

2017 - PRESENT

Carnegie Technologies

Implemented a fully functional multi-threaded core data database for existing Oki messenger.
Developed a module for synchronization with native contacts app, for large address books (more than 40000 contacts).
Implemented a module for networking and JSON parsing.
Added support for multiple targets and configurations.
Automated the deployment process to the app store with fastlane (building, signing, screenshot taking, and uploading to iTunes).

Technologies: Swift, Objective-C

iOS Developer

2016 - 2017

Mooris (via Toptal)

Implemented an online payment system via Datatrans.
Moved all web views to native screens.
Optimized core database with background processing context.
Improved app stability.
Resolved issues with memory leaking.

Technologies: Alamofire, Core Data, Swift 3

iOS Developer

2016 - 2016

Skillheart (via Toptal)

Developed video capturing and feature displaying modules.
Implemented deep linking with Branch.io.
Architected and developed an adaptive UI.
Implemented the networking layer.
Created custom animations.

Technologies: Core Data, CocoaPods, Objective-C

Senior iOS Developer

2015 - 2016

Rounds (via Toptal)

Updated app for Auto Layout and size classes.
Implemented new reusable UI elements.
Implemented new analytics and logs.
Integrated localization support.
Addressed various bug fixes and overall maintenance.

Technologies: CocoaPods, Core Data, Objective-C

iOS Team Lead

2013 - 2015

Humanity Inc.

Developed the Humanity Inc. iPhone app.
Developed an iPad app called FacePunch for facial recognition.
Co-developed iCore, a reusable iOS framework for network communication and data storage.
Developed Swap, a lightweight application for employee management.
Upgraded the Humanity app to version #2.

Technologies: Objective-C

iOS Developer

2013 - 2013

Pure Agency

Developed an iPhone application for Leroy Merlin.
Created an iPad application for L'Oreal iColorist.
Developed the iPhone Louvre Hotels app.
Developed an iPhone app for Manutan.
Fixed and upgraded several existing apps, e.g. Disney Paris app.

Technologies: Objective-C

iOS/Java Developer

2011 - 2013

M2E Consulting Engineers

Developed an Android application for tidal predictions based on Krieger watches.
Created i2inspect, an iOS application for construction inspections.
Developed an iOS app for smart hotel solutions.

Technologies: Objective-C, Java

Experience

OKI Calls and Messages

Oki Calls & Messages is a messaging and call app that lets you send and receive Oki IM (3G/4G/wifi) and lets you initiate and receive Oki VoIP (3G/4G/wifi) calls, from one app. Send photos and videos, start group chats, and more. Initiate or receive calls and start conference calls. Connect with friends on Apple devices worldwide.

Louvre Hotels

Developed an iPhone and iPad application for the second largest European hotel group and a key player in the international hotel industry with more than 1100 hotels in 43 countries.

Mooris

https://itunes.apple.com/us/app/mooris/id591801918?mt=8

Mooris is an app for online shopping, tailored for the Swiss market.

Rounds

Group video chat application. I was tasked with implementing Auto Layout and size classes for the whole app, as well as updating analytics, logs, and code maintenance.

Skillheart Mobile App

SkillHeart interview is a free app that lets you complete interviews anywhere in the world as long as you have an Internet connection. I have developed this app from ground zero to the Apple store.

Swap by Humanity

Swap lets you connect with your coworkers effortlessly.
This messaging app provides a convenient way for you to communicate with the people you work with, giving you a clutter-free platform to talk shop.

Tide: Tidal Chronoscope HD

Tide allows you to tell GPS tide predictions as easily as the time. The app works as a tide chart and tide graph with an additional wristwatch format. The Tidal Chronoscope provides an interactive map of tide stations and intuitive depiction of present and future tides for the USA and many worldwide tide stations. The information is instantly accessible at your current or a custom location.

Manutan

At the office, in your workshop or on a construction site, with Manutan you can take advantage of our experience to assist you in your non-strategic everyday purchases.

Log into the app and let us simplify your work.

Leroy Merlin

https://itunes.apple.com/fr/app/leroy-merlin/id370400343?mt=8

Developing a concrete project, need advice, or just in search of inspiration? Ripen your ideas with the application Leroy Merlin, an essential tool throughout your projects.

ChronGlobal Tidal Chronoscope

iPhone application for tidal/sun/moon predictions, based on Krieger watches.

Humanity App

Mobile version of the Humanity app.

iColorist L'Oréal (iPad)

iPad application for L'Oréal INOA line.

Education

2009 - 2011

Master's Degree in Computer Science

University of Belgrade Faculty of Electrical Engineering - Belgrade, Serbia

2003 - 2009

Bachelor's Degree in Computer Science

University of Belgrade Faculty of Electrical Engineering - Belgrade, Serbia

Skills

Libraries/APIs

Firebase iOS SDK, REST APIs, CocoaPods, Alamofire, WebRTC, PJSIP

Tools

Git, Xcode, SourceTree

Languages

Swift 3, Swift, Objective-C, Swift 5, Java, SQL, C#, C++, C

Frameworks

iPhone SDK, Core Data

Paradigms

RESTful Development, Concurrent Programming, Agile Software Development, REST, Clean Architecture

Platforms

iOS, MacOS

Storage

Firebase Realtime Database, JSON

Other

iPad, Carthage, User Interface (UI), Computer Science

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