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  1. Фрилансеры

Nikolay Popadiuk

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Украина Киев, Украина
19 дней 9 часов назад
Свободен для работы свободен для работы
4 Сейфа завершены
20 дней назад
2 заказчика
возраст 35 лет
на сервисе 16 лет
  • MVVM
  • мобильные приложения
  • разработка под ios
  • Mobile development
  • Mobile application
  • Kotlin
  • Android SDK
  • Разработка мобильных приложений
  • Firebase
  • WebView
  • Android Development
  • Розробка під Android
  • разработка под iOS и android
  • Гибридные мобильные приложения
  • Android Kotlin
Фрилансер Nikolay P. — Украина, Киев. Специализация — Гибридные мобильные приложения, Разработка под Android

Рейтинг

Успешных проектов
100%
Средняя оценка
10 из 10
Рейтинг
3370
Гибридные мобильные приложения
25 место из 302
Разработка под Android
10 место из 343
3 проекта
Разработка под Android
1 проект
Разработка под iOS (iPhone и iPad)
1 проект
Гибридные мобильные приложения

Уровень владения языками

Українська Українська: носитель
Русский Русский: носитель
English English: выше среднего

Резюме

Software Developer with 10+ years of experience in Android and cross-platform development. Solid foundation in data structures, algorithms, object-oriented programming. Contributed to all stages of the all stages of product life cycle: design, implementation, testing, deployment and maintenance. Is always deep in the project and tries to find optimal solutions and suggest new ideas.

Навыки и умения

Программирование

Мобильные приложения

Переводы

Портфолио


  • B2B training app

    Гибридные мобильные приложения
    Supports companies making the shift from a traditional workplace training model to our Performance-First Framework that delivers real business results. Our goal is to empower enterprises to improve their employees’ performance by leveraging training content in microform and delivering it in the way the brain learns within the flow of the workday. Combined, this leads to lasting habit formation that generates measurable outcomes for business. Company, our software-as-a-service (SaaS) solution, is the mechanism through which companies can provide both the content and the necessary regular reinforcement to develop those habits in the workforce. Company went through clinical trials with the U.S. government and national laboratories. It is patented and has been pressure-tested on a global scale with our Fortune 50 customers.

    Responsibilities:

    … Create and support mobile and desktop applications. Implement new features and fix bugs. Setup and support mobile part and CI for all project.

    Timeline with my responsibilities on the project:

    Implement the switch mobile part to Flutter

    Implement bridges between WebApp and Flutter on JS

    Implement mobile part on Xamarin

    Support the Android and iOS parts.

    Implement switch Android on Kotlin and implement new features for iOS and Windows

    Full responsibility for mobile development (new features and support)

    Support deploy on Jenkins for mobile, web, backend part

    Creating an application for the Windows UWP platform

    Technologies: Flutter (iOS, Android), Xamarin (iOS, Android, Windows), Android (Kotlin), Firebase, TeamCity, Jenkins, Power Shell, Bash, WebView, JS.

    Duration: 4 years.

  • App for European citizens

    Гибридные мобильные приложения
    It’s is a product aimed to provide controlled access to European authorities’ meetings data to politicians and citizens. System with web based services and mobile applications for major mobile platforms with Xamarin: iOS, Android and Windows.
    Responsibilities and duties: Development user interfaces for android and iOS application, deliver and test software prototypes on Xamarin and Native framework, coordinate with third party developers team, design, initiate and handle technical designs and complex application features on Android and iOS applications, refactoring for support new OS and Xamarin Framework versions.

    Technologies: Xamarin, iOS, Android, Visual Studio, Google Analytics, TFS, REST, Unit testing, WebView for modile, Network protocols and fundamentals, Xcode, Android SDK, Xamarin SDK, iOS SDK, Android SDK, SQLite, Core Data
    … Duration (months): 12

  • Ad's SDK

    Разработка под Android
    An app that will block bad ad creatives. Bad ad creatives is advertisements placed by 3rd parties into web page to steal traffic, computing power, attack Publishers’ website visitors, by means of injecting malicious HTML and JavaScript code in place of a benign ad creative.
    Responsibilities and duties: Create android SDK for protection from bad ad creatives

    Technologies: Android SDK, Android NDK, Google ADS, MoPub, ironSource, AmazonAds, Android WebView
    …
    Duration (months): 12

  • Payment government app

    Разработка под Android
    Main goal of the project: interaction with government structures, authorization, obtaining information and accepting payments.

    Responsibilities:

    … creating a prototype for payment processing

    communication with banking SDK, and with the bank support team

    design implementation

    design module architecture

    Technologies: Android (Java/Kotlin), LiqPay API integration, LiqPay, Android Architecture, Android KTX.

    Duration: 3 months.

  • App for controls fans

    Разработка под Android
    It’s a product for fans control. The app control fans via Bluetooth and WiFi.
    Responsibilities and duties:

    Development user interfaces, design, initiate and handle technical designs and complex application features on Android and iOS applications, refactoring for support new OS versions.
    …
    Technologies:

    Android SDK, Google Analytics, Network protocols and fundamentals, Git, TeamCity CI, SQLite
    Duration (months): 6

  • App for co-workers

    Разработка под Android
    A modular distributed platform with RESTful API. It’s a kind of internal social feed for coworkers which also provides integration capabilities with other internal company systems, tools and applications (e.g. ESB, AD, Azure AD, etc.) and external systems (e.g. social networks, geolocation API, etc.). It supports different types of clients that have a loose dependency on it and can evolve independently of other clients and the system itself.
    Responsibilities and duties: Support Android project, implementation logger for wedview (added stetho and robolectric), write unit tests.

    Technologies: Android, Firebase, Stetho, robolectric, Retrofit
    … Duration (months): 3

  • App for CRM

    Разработка под Android
    An app enables consumers to stay updated through a personal feed and discover new influencers.Features include an exclusive CRM database, geofencing, push notifications, support for coupons and gift cards, loyalty cards, vouchers, competitions, polls and more. App spreads users well among multiple influencers – push notifications increase return rates.
    Responsibilities and duties: Setup and support CI for mobile builds, support project. Implement new features and fix bugs

    Technologies: Android, AdMob, AdManager, CI, TeamCity, Gradle, Fabric, Firebase, Crashlytic
    … Duration (months): 3

  • Video streaming app

    Разработка под Android
    Project for US startup focused on video streaming and social engagement platform development. Application allow users to stream and watch their videos, communicate and get relevant suggestions based on preferences and previous experience. User can upload local video, login via email or Facebook account. The chat functionality on board could be compared to the most popular IM applications.
    Responsibilities and duties:

    Development user interfaces, design, initiate and handle technical designs and complex application features on Android.
    …
    Technologies: Android, Amazon S3, Amazon Web Services (AWS), AWS Android SDK,Android SDKs, Jira, Git, TeamCity, Amazon DynamoDB, SQLite, Android Annotations, REST, Amazon AWS platform
    Duration (months): 6

  • B2B mentee's progress

    Разработка под Android
    It is a software system that improves communication between mentor and mentee inside of the company and allows to create and update goals that will allow mentor to track mentee's progress.

    Responsibilities and duties: Implement new features on Android and iOS from client side, on typescript on server side, write unit tests

    … Technologies: Android, Kotlin, Swift, iOS, Typescript, Unittest, Docker

    Duration (months): 3

  • Queue management

    Javascript и Typescript
    Queue management is a software system that includes hardware components like exit gates, traffic lights, parking sensors and information screens. The main goals of the electronic queue system are targeted direction of visitors within the building and surrounding territories, obtaining information about the provided service, decreasing waiting time and improving customer satisfaction.

    This project is a complex system with a central server, nodes/operators that connect via sockets to that server and communicate with hardware.

    … Responsibilities and duties: I was responsible for designing some of that nodes and writing logic on the server for them, developing UI for some nodes via React.js, participate in nodes architecture discussion and implementation.

    Writing integration tests for that system and stabilized server logic for proper communication with nodes.

    Technologies: Electron, ReactNative, ElasticSearch, Docker, Typescript, JavaScript, Node.js
    Duration (months): 3

  • Social trading app

    A social trading platform that combines e-commerce and social networks. Main goal: Provide young users (primarily Generation Z) with the opportunity to buy and sell unique fashion items Create a community based on shared interests in fashion and style Combine trading with social interaction The translation maintains the structure and meaning of the original text, describing Depop's core mission as a social commerce platform targeting young users with a focus on fashion and community building.

    Responsibilities and duties:

    … Implementation of accessibility support

    VoiceOver implementation

    Correct focus implementation

    Design fixes

    Test updates

    Unit tests

    Integration tests.

    Technologies: Android, Accessibility Design, Accessibility, Unit & Integration testing, Android DataBinding, MVVM.

    Duration: 6 months.

  • Crayola Photo Mix & Mash Application

    Разработка под Android
    With Crayola Photo Mix & Mash it's easy to turn ordinary photographs into fun, fabulous and funky photos, print out the creations or share them with friends in the digital gallery.

  • Perx

    Разработка под Android
    Perx app allows Perx and Asia's first beacon-enabled card-linked offers platform to link their eligible credit card in Singapore or Hong Kong, discover new merchants, team up with friends and family to unlock bigger rewards etc. Jive app allows to move the loyalty cards to mobile phones.
    https://play.google.com/store/apps/details?id=com.getperx.perx
    https://play.google.com/store/apps/details?id=com.jiveitup.jive

  • Full22.com

    Разработка под Android
    Application is proud to bring an own personalized app showcasing the event images. From this app people can show off their images to friends and family, approve their photo assignment requests to photographer, share to social media, mail and device library, order prints in various formats and sizes, do image selections for album or commercial requirements.
    https://play.google.com/store/apps/developer?id=Full22.com&hl=en

  • Karnaval Radyo

    Разработка под Android
    Karnaval app brings a state-of-the art digital listening experience bringing together some of the most revered radio brands in Turkey.
    Key features of the app: live streaming of your favorite radio brands in high quality, listen to the latest news, weather, sport report or concert listings on-demand, ability to see songs history and next up songs for each station etc.

    https://play.google.com/store/apps/details?id=com.spectrum.media
    … https://play.google.com/store/apps/details?id=com.spectrum.mediatablet

Отзывы и комплименты о выполненных проектах 4

3 июня 27 000 UAH
IOS (Swift) - 1 экран / Situm Visual SDK - TestFlight + App Store

Качество
Профессионализм
Стоимость
Контактность
Сроки

Ответственный, терпеливый, профессиональный

Олег М. | Сейф Сейф | Ответный отзыв

19 мая 27 000 UAH
АНДРОИД (Kotlin) — 1 экран / Визуальный SDK — Внутреннее тестирование + Продакшн Google Play

Качество
Профессионализм
Стоимость
Контактность
Сроки

Профессиональный подход
Терпеливый, внимательный к деталям
Рекомендую к сотрудничеству

Олег М. | Персональный | Ответный отзыв

13 апреля 21 500 UAH
Android-обертка для существующего веб-сервиса (Capacitor/Cordova). Обновление дизайна, публикация в Google

Качество
Профессионализм
Стоимость
Контактность
Сроки

Очень профессиональная работа
Исполнитель столкнулся с более проблемной задачей, чем мы оба ожидали, и помог со всеми процессами
Рекомендую к сотрудничеству

Олег М. | Сейф Сейф | Ответный отзыв

30 января 1000 UAH
Виджет часов Devon

Качество
Профессионализм
Стоимость
Контактность
Сроки

Выполнено в срок, правки по проекту выполнялись оперативно

Микита Варламов | Сейф Сейф | Ответный отзыв

Активность

  Последние ставки 10
АНДРОИД (Kotlin) — 1 экран / Визуальный SDK — Внутреннее тестирование + Продакшн Google Play Персональный проект
27 000 UAH
IOS (Swift) - 1 экран / Situm Visual SDK - TestFlight + App Store
27 000 UAH
Нужна помощь с фиксом бага на Flutter проекте
1500 UAH
Нужна помощь с фиксом бага на Flutter проекте
1500 UAH
IOS Developer (SwiftUI) - Package Tracker App
44 778 UAH
Разработка нативного iOS-приложения (Swift/SwiftUI) — приложение для саморефлексии с AI (Gemini) и голосом
27 000 UAH
Аналог playtomic
51 456 UAH
Разработка мобильного приложения
11 500 UAH
Редизайн Android приложения на Flutter
1000 UAH
Bestellungsformular
2573 UAH