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Oleksii

  • all backend
  • Mobile
  • Python
Oleksii is a senior developer with 16 years of experience. He is proficient in mobile and backend development (Python/Django, .NetCore, Dart).

Skills and Qualifications

Languages

  • C#
  • Swift
  • Dart
  • Objective-C
  • Java
  • Python
  • C++

Frameworks

  • OOP
  • MVC
  • Design Patterns; XML
  • JSON
  • API
  • REST
  • ORM; Google maps API
  • Google places API; Flutter
  • Entity Framework (.NET); Web Services
  • SOA
  • REST; ASP.NET MVC; WPF; WCF; Azure
  • AWS
  • Kubernetes
  • BLE (Bluetooth Low Energy)

Tools

  • GIT; Visual Studio
  • IntelliJ IDEA
  • Android Studio
  • Xamarin Studio
  • Xcode; Jira
  • Redmine; Postman; Browser developer tools; Docker; Agile
  • SCRUM
  • Kanban
  • Waterfall

Data bases

  • MySQL
  • MSSQL
  • Marcello DB
  • SQLite

Oleksii and more developers are now available for hire.

Hire Oleksii

Featured Projects

Musopen

AWS, Backend, Education, Entertainment, Frontend, Integration, Javascript, Python, React, Search, Streaming, Web

Musopen


Development Team

1 Designer, 4 Developers
1 Project Manager, 1 Account Manager
Details
Starshell

AngularJS, Backend, Education, Frontend, Python, Social, Web, WordPress

Starshell


Development Team

2 Developers
1 Project Manager
Details
Safari.com

AngularJS, AWS, Backend, Django, Frontend, Javascript, Python, Travel, Web, WordPress

Safari.com


Development Team

1 Designer, 2 Developers
1 Project Manager, 1 Account Manager
Details

Projects

24GenSpace

Developer/Architect

Worked as a full-stack application developer on several international projects. Was responsible for mobile application development and back-end development. Also made decisions about common system architecture.

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  • Dart (Flutter)
  • C#
  • Xamarin.Forms
  • Net Core
  • ASP.NET Core
  • OAuth
  • SQLite
  • Postgres
  • REST
  • Python
  • Django
  • Azure/AWS cloud hirings
  • Sql Server
  • Entity Framework
  • SendGrid
  • FB APIs
  • Google APIs
  • GitHub

Power Velocity (EV Dashboard)

Developer

Developed an application for managing electro engines via Bluetooth and smart watches.

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  • C#
  • Xamarin.Forms
  • Net Core
  • ASP.NET Core
  • SQLite
  • REST
  • FB APIs
  • Google APIs
  • GitHub
  • Bluetooth

Enrichmycare

Developer

Helped develop a mobile application for managing childrens’ health including medicines and other features.

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  • C#
  • Xamarin.Forms
  • Net Core
  • ASP.NET Core
  • SQLite
  • REST

TGS Player

Developer

Developed an integrated sports system that manages players, events, teams, etc.

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  • C#
  • Xamarin.Forms
  • Net Core
  • ASP.NET Core
  • SQLite
  • REST
  • FB APIs
  • Google APIs
  • GitHub

AAM All Access

Developer/Architect

Undertook the roles of both a developer and architect for a homeowners software application. The app requires integration with a range of hirings including SharePoint, Office 365, Nordis, and several others. Application can be used by homeowners to create requests, manage their status, pay bills, get access to community information, CC&Rs, rules & guidelines, approve paint codes, sign up for electronic statements, and many other useful features.

Undertook the roles of both a developer and architect for a homeowners software application. The app requires integration with a range of hirings including SharePoint, Office 365, Nordis, and several others. Application can be used by homeowners to create requests, manage their status, pay bills,...

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  • C#
  • Xamarin.Forms
  • Net Core
  • ASP.NET Core
  • OAuth
  • APNS Core Graphics
  • SQLite
  • REST
  • Azure/AWS cloud hirings
  • Sql Server
  • Entity Framework
  • SendGrid
  • localization of application
  • FB APIs
  • Google APIs
  • GitHub

DMS Mobile

Developer

Mobile application for delivery companies to track drivers’ location. Required functions included one where driver can change delivery status at checkpoints.

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  • Xamarin Forms
  • Google maps
  • REST API

Pigeon Post

Developer/Architect

Designed, developed, and rolled out a native iOS mobile app for Pigeon Post. This app aims to deliver an interesting twist on geolocation and user messaging. The app uses many iOS platform features and has a scalable backend (Azure and AWS) with test environments, monitoring, serverless jobs, and other features standard for enterprise apps.

Designed, developed, and rolled out a native iOS mobile app for Pigeon Post. This app aims to deliver an interesting twist on geolocation and user messaging. The app uses many iOS platform features and has a scalable backend (Azure and AWS) with test environments, monitoring, serverless jobs, and...

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  • C#
  • Net Core
  • ASP.NET Core
  • XCode
  • Storyboard
  • MapKit
  • OAuth
  • APNS
  • Core Location
  • Core Graphics
  • AVFoundation
  • SQLite
  • SkiaSharp
  • REST
  • Azure/AWS cloud hirings
  • Sql Server/ Postgres
  • Entity Framework
  • SendGrid
  • Twilio
  • localization
  • app analytics
  • FB APIs
  • Google APIs
  • GitHub

Dueldog

Developer/Architect

Platform for eSports competitions.

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  • ASP.NET
  • ASP.NET MVC
  • CSS3
  • JavaScript
  • JSON
  • REST API
  • MSSQL
  • RCON

Belong dating

Developer/Architect

Mobile application for smart dating. Uses Google Places API to select dating places depending on users’ interests. Uses various social network APIs for user authentication.

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  • Xamarin native
  • Linked in API
  • Facebook API
  • Google maps API
  • Google places API

Time-Master

Developer

Personal time management software. Uses REST API to store users’ diaries on a server. Sends notifications. Used for planning events. All user events synchronized with server and Google calendar.

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  • Xamarin
  • REST API
  • SQLite

LiteraLive

Team Leader

Full development of server-side logic, web-part development.

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  • С#
  • .Net 3.5
  • ASP.NET
  • MSSQL 2005. Details: Devex for ASP.NET