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Ivan L.
Last update: 26 Mar 2019
SENIOR /team lead
Senior iOs developer with deep backend expertise on PHP and Node.js, specialized at video streaming
I'm an iOs developer with over 8 years of software development experience. My experience includes 5 years in mobile development for iOS and 3 years of back-end development in PHP 5 and 7. Also, I have 2-year experience of backend development on Node.js.
I'm a results-oriented iOS developer experienced in writing highly readable, clean, maintainable source code. Well-versed in using XCode, iPhone SDK, and Cocoa Touch framework. For back-end development, I use Symfony 2+ framework. My responsibilities include ensuring that proper technical vision and software engineering processes are implemented on all projects incorporating best practices.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
GMT-5 USA East (ET)
Atlanta/US, Kremenchuk/Ukraine

Works

EXPERIENCE

Industry Experience

Blockchain & Cryptocurrency, Travel & Tourism, Booking & Rent, Social Media & Communication, Arts & Culture, E-Commerce & Retail, Healthcare & Medicine, News & Media

Product Experience

Front-end development for websites and hybrid application, Online travel booking service, Booking Service, trip management service, social network, Social platform for musicians and song writers, Mobile applications, web application, Medical data exchange system, Micro payments solution, Radio app

PORTFOLIO HIGHLIGHTS

Jan `19 – Present

2 months

Ethereum Blockchain Movie Prediction Game

Team Lead, React developer

I have completed the development of the frontend website using the existing codebase that was provided by the customer. Input, storage, and processing of data in the blockchain using the metamask chrome plugin. Bugfixing and support

a movie prediction game build on the Ethereum Blockchain

Technologies Stack:

React.js Ethereum Blockchain Serverless AWS Lambda

Industry:

Blockchain & Cryptocurrency

Product:

Front-end development for websites and hybrid application

Aug `18 – Mar `19

7 months

Booking Trips Service Web Application

Team Lead, Backend developer

As a team leader, I was responsible for leading the development team on the project. Also, I was responsible for all the development of the back-end, in particular, for Node.js RESTful web service development, integration of payment systems PayPal and Stripe, transactional email integration - Mandrill.

Under NDA

An online web service for the German travel industry: a unique travel finder for visiting places located far from the mass tourism points in Italy. It offers users family-run accommodation and activities organized by locals. The team used the following technology stack for the project: Node.js,React.js, Gatsby.js, GraphQL (Apollo GraphQL), and MongoDB.

Technologies Stack:

MongoDB Node.js React.js Apollo GraphQL GatsbyJS

Industry:

Travel & Tourism, Booking & Rent

Product:

Online travel booking service, Booking Service, trip management service

Mar `18 – Dec `18

9 months

Social Mobile App for Musicians and Music Lovers

Backend architect, Backend developer, iOS developer, Team Lead

Was responsible for Node.js RESTful web service development, iOS client app development. In-app purchases integration.

An iOS social network app for US company. With this application, users can create, listen and share music. The application main feature is collaboration mode, which allows users to play together on various musical instruments online. During the project, our developers were responsible for Node.js RESTful web service development, iOS client app development, implementing collaboration features, in-app purchases integration.

Technologies Stack:

Express.js Node.js PostgreSQL Socket.IO Geolocation Geospatial Swift Alamofire iOS SDK

Industry:

Social Media & Communication, Arts & Culture

Product:

social network, Social platform for musicians and song writers

Aug `18 – Nov `18

3 months

Calendar iOS app

Backend architect, Backend developer, iOS developer

Was responsible for Node.js RESTful web service development, iOS client app development. In-app purchases integration.

Callendar app _________________________

Technologies Stack:

Express.js Node.js PostgreSQL Swift Alamofire CoreData iOS SDK

May `17 – Jul `18

1 year

Cross-Platform Solution for Sharing Discount Coupons

Team Lead, React Native Developer

First, the application was created with Xamarin, and then the client requested a redesign using React Native with CodeRush technology, which our team successfully implemented. Therefore, during the project, I was responsible for transferring the app from Xamarin to React Native.

US retail company

The goal of the project was to develop a cross-platform mobile application for sharing discount coupons with the company's customers and find nearby shops. The solution included a web admin portion. The app alerts to let users know of upcoming sales for discounts and holiday coupons. The app includes Store Locator to help a user quickly navigate to the nearest stores.

Technologies Stack:

CSS JavaScript React Native HTML

Industry:

E-Commerce & Retail

Product:

Mobile applications, web application

Dec `17 – Feb `18

2 months

Password keeper app

iOS developer

Implementation of UI features

Password keeper app

Technologies Stack:

Swift SQLite iOS SDK

Apr `17 – May `17

1 month

iOS Application for Medical Personnel

iOS developer

Data synchronization between client abb and web server. Codebase migration from Objective-C to Swift. Was responsible for supporting and bug fixing.

(under NDA)

The project was intended to develop an application for medical personnel that would simplify the process of collecting and storing all patient information. The solution allowed for creating medical records using customizable templates. Medical records were encrypted and stored on a server. The existing records could be sent by email as PDF files and edited by other doctors.

Technologies Stack:

Objective-C Xcode Apple UIKit Framework JSON Swift Alamofire Foundation

Industry:

Healthcare & Medicine

Product:

Medical data exchange system

Aug `16 – Apr `17

8 months

Life4me.plus

Php developer, backend architect

Was involved in developing the architecture of the application. Creating admin panel and RESTful for mobile application service.

Alex Schneider, CEO & Owner at Life4Me+, Switzerland

The application allows patients to receive news about HIV infection and related diseases, events and people. The GPS navigator helps patient find a nearby hospital, clinic, or HIV community throughout the world. It helps to conveniently organize their medication intake timetable and set concealed and personalized reminders, get doctor's recommendations, and schedule doctor’s appointments or blood tests.

Technologies Stack:

PHP PostgreSQL JSON Nginx Redis RESTful API Symfony2

Industry:

Healthcare & Medicine

Product:

Mobile applications

Works:

Jun `16 – Aug `16

2 months

WordPress-Based Web Application for Water Cleaning Company

Php developer

Was responsible for PHP and WordPress development.

under NDA

The aim of the project was to develop a website based on the WordPress platform which contained detailed information about company’s services and products, order form, downloads, etc.

Technologies Stack:

CSS JavaScript jQuery MySQL PHP WordPress HTML

Industry:

E-Commerce & Retail

Apr `16 – Jun `16

2 months

E-commerce Web Application (online shop) for Pool Maintenance Company

Php developer

Integrated the payment system and e-commerce module.

under NDA

The aim of the project was to develop the website with the ability to buy company’s products online and pay instantly with a credit card. The order page included shipping and tax calculation.

Technologies Stack:

CSS JavaScript jQuery MySQL PHP WordPress HTML

Industry:

E-Commerce & Retail

Jan `14 – Aug `15

1 year

Payment platform for processing payment for iOS / Android / Web

iOS developer

Was creating the architecture of the application. Implementation of the face recognition system and card payment system. Worked with RESTful service.

US startup company

Platform for processing payments with face recognition possibilities. The following payment processors were integrated: First Data Gateway, PayPal MassPayments, TotalTransact, Vantiv. For a face recognition processor was used Luxand FaceSDK.

Technologies Stack:

Android SDK Java PostgreSQL Spring Framework RESTful API SQLite CocoaPods iOS SDK

Industry:

E-Commerce & Retail

Product:

Micro payments solution

Dec `12 – Feb `13

2 months

Internet radio app

iOS developer

Bugs fixing

Under NDA

Mobile clients for iOS/Android phones and tablets for playing radio in real time from different station streams. Radio station streams were hosted on Parse.com

Technologies Stack:

Android SDK Parse Apache Ant CocoaPods iOS SDK

Industry:

News & Media

Product:

Radio app

EDUCATION

Kremenchuk Mykhailo Ostrohradskyi National University

Master in Computer Science

Web & Mobile Development agency #129

10-50
Atlanta/US, Kremenchuk/Ukraine
GMT-5

Industries

Business & Productivity, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Entertainment & Games, Construction & Real estate, Mapping & Navigation, Sports & Fitness, Internet & Telecom, Law & Government, Shopping & Loyalty programs, Statistics & Atalytics, Travel & Tourism, Kids & Childcare, Healthcare & Medicine, Booking & Rent, Food & Drink, Books & Catalogs, Service & Support, Environmental Activism & Social Organisations

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