Oleksandr is available for hire

Oleksandr Malovichko

Verified Expert in Engineering

Mobile App Development Developer

Location

Frankfurt am Main, Hesse, Germany

Toptal Member Since

June 1, 2017

Oleksandr is a senior iOS engineer with several years of experience in software development for mobile and tablet devices. Oleksandr is dedicated to continuously discovering, evaluating, and implementing new technologies to maximize development efficiency.

Mobile App Development iOS Xcode Swift Objective-C Firebase Java TypeScript Algorithms iPhone iPad UI Testing JSON MacOS Scrum

Portfolio

Freelance Work

Cocoa Touch, Objective-C, Swift, Mobile App Development, Firebase...

Johnson & Johnson — Health IT (via Toptal)

Kanban, Multithreading, Speech Recognition, Objective-C, Swift...

Johnson & Johnson — Health IT (via Toptal)

CocoaPods, TestFairy, Alamofire, Storyboarding, Swift, Mobile App Development

Experience

Mobile App Development - 12 years iOS - 10 years Xcode - 10 years Objective-C - 9 years Swift - 9 years Java - 7 years TypeScript - 6 years Firebase - 6 years

Availability

Part-time

Preferred Environment

Git, iOS, Swift, Xcode, MacOS, SwiftUI

The most amazing...

...thing I've made was one of my first Android apps which was downloaded more than 1,000,000 times.

Work Experience

Freelance Senior iOS Developer

2012 - PRESENT

Freelance Work

Worked on iOS application development for the iPhone, iPad, and Apple Watch.
Designed and implemented application architecture.
Coordinated agile development process and release cycles.
Made unit tests and implemented UI test code coverage.
Profiled and analyzed applications using various development tools.

Technologies: Cocoa Touch, Objective-C, Swift, Mobile App Development, Firebase, Social Networks

Freelance Lead iOS Developer

2018 - 2019

Johnson & Johnson — Health IT (via Toptal)

Worked on an app that helps doctors pinpoint key factors that can cause depression in patients.

Technologies: Kanban, Multithreading, Speech Recognition, Objective-C, Swift, Mobile App Development

Freelance Lead iOS Developer

2017 - 2018

Johnson & Johnson — Health IT (via Toptal)

Worked on the Health Partner Weight Loss Surgery app.

Technologies: CocoaPods, TestFairy, Alamofire, Storyboarding, Swift, Mobile App Development

Freelance iOS/Android Engineer

2017 - 2017

911 Global Rapid Response (via Toptal)

Worked on watch applications for watchOS and Wear OS.

Technologies: Cordova, Java, Swift, Wear OS, WatchOS, Mobile App Development

Freelance iOS Engineer

2017 - 2017

Poppy Seed Ventures (via Toptal)

Developed the MVP for an iOS application.

Technologies: Storyboarding, Crashlytics, CocoaPods, Core Data, Swift, Mobile App Development, Firebase, Social Networks

Freelance Android Developer

2011 - 2012

Freelance Work

Developed Android entertainment applications for customers.
Created and designed Android games using AndEngine OpenGL library.
Developed an Android entertainment application with more than 1,000,000 users.

Technologies: OpenGL, Java, Mobile App Development, Social Networks

Lead Software Engineer

2009 - 2011

Finance and Credit Bank

Developed a new backup service for the ATM.
Supported a type of banking software.
Implemented automation scripts for bank processes.

Technologies: Windows, Bash, Linux, Delphi, Java

Software Engineer

2008 - 2008

Ukrainian Innovative Bank

Developed automated scripts in Bash for sorting interbank mail.
Supported a type of banking software.
Wrote scripts to facilitate system administration tasks.

Technologies: Bash, Linux

Experience

Codility Solutions

https://github.com/omalovichko/CodilityLessons

These are my solutions for Codility algorithm challenges.

Health Partner Weight Surgery

This is the Health Partner for Weight Loss Surgery app which aims to help patients both prepare for and recover from bariatric surgery.

Balter Video

https://itunes.apple.com/app/id999788991

This is a mobile client for Balter VMS. The application allows user to watch up to 8 RTSP streams simultaneously.

BetMob

This is a virtual betting game where you can bet on actual football matches and see how you stack up against your friends.

Hello Chat

A location-based instant messaging application.

I AM FILM

I AM FILM is the premier global professional network showcasing the best curated independent and established talent, executives, and masters in the film and television industry.

Heyo

Meet fascinating people nearby. Connect over similar interests, passions, hobbies or obsessions. No profile pictures, no dating, no relationship status—Heyo is for meaningful conversations with the people you are most likely to vibe with.

TopMission

An application which allows users to earn money by accomplishing simple tasks.

Witkit

A secure collaboration platform for teams to get work done safely.

Tretyakov Gallery Books

An official iPhone and iPad application which allows users to buy and read books about art.

Osmino WiFi

https://itunes.apple.com/us/app/id613179917

This provides you with free and fast internet access wherever you are. You turn on the automatic search and connection to open wifi networks by one tap—there aren't any settings nor complicated terms. You can check the nearest open networks on our wifi hotspot map.

Red Robinson's Legends

The Red Robinson app guides you through 50 years of rock-n-roll history uncovered by Red himself. Complementing the website, the iOS app is the easiest way to navigate Red’s catalog in search of hidden gems and then watch or listen to them on the go.

Elk

Participated in iOS and Android application development. Elk is a corporate encrypted chat like Slack.

Kabuni

Stop the tedious search for home products online or in-store. Kabuni is a platform for interior designers to find and connect with inspiration-starved homes across the globe, instantly. Kabuni’s technology provides designers with all of the tools they need to help clients find the perfect pieces.

Luuk

Developed an iOS application which allows you to make an appointment with the best beauty specialists.

Moyo

Was involved in iOS and Android application for online TV broadcasting and developed a TV remote control for the Apple Watch.

Sosedi

https://sosedi.by

Developed the iPhone version of a social network application like Facebook for people who live in same area as you.

Skills

Languages

Swift, Objective-C, JavaScript, TypeScript, Java, Delphi, Bash, Kotlin

Frameworks

Core Media, Social Framework, MapKit, Core Foundation, Core Location, Cocoa Touch, Core Data, SwiftUI, UIKit, Android SDK, Core ML

Libraries/APIs

Alamofire, Google Maps SDK, REST APIs, CocoaPods, Parse SDK, OpenGL, React, Mixpanel iOS SDK

Tools

Charles, Postman, Xcode, Git, iOS Simulator, Android Studio, Terminal, Slack, Sketch, Crashlytics, Fastlane, SonarQube

Paradigms

Dependency Injection, REST, Kanban, Scrum, KISS, DRY, Functional Programming, Object-oriented Programming (OOP), Unit Testing

Platforms

WatchOS, MacOS, Firebase, iOS, tvOS, Android, Parse Server, Linux, Windows, TestFairy, Blockchain, Apple TV

Storage

JSON, MySQL, Realm, NoSQL, MongoDB

Other

Algorithms, Mobile App Development, iPhone, iPad, Data Structures, SOLID Principles, UI Testing, SPM, Social Networks, Carthage, QA Automation, Storyboarding, Wear OS, Cordova, Speech Recognition, Multithreading, Cryptocurrency, Machine Learning, Blue Prism, Robotic Process Automation (RPA), Fastline

Education

2009 - 2010

Specialist's Degree in Computer Systems and Networks

Mykhailo Ostrogradsky University - Kremenchuk, Ukraine

2005 - 2009

Bachelor's Degree in Computer Engineering

Mykhailo Ostrogradsky University - Kremenchuk, Ukraine

Certifications

SEPTEMBER 2015 - PRESENT

Improving Service Delivery with Kanban Method

LeanKanban University