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Valentin B.
Last update: 19 Sep 2019
SENIOR
Senior Java Developer with strong React.js experience
Proficient in Java, JavaScript, and React.js programming languages. 5+ years of experience in Node.js, Liferay, and HTML/CSS development. Familiar with jQuery, J2EE/JSP, Spring, NPM/Webpack, and React Native. A hard-working and detail-oriented engineer. Exceptional problem-solver with deep management skills.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
GMT+2 East Europe
Kharkiv/Ukraine

EXPERIENCE

Industry Experience

Information services & Technologies, Logistics & Transportation, E-Commerce & Retail, Social Media & Communication, Construction & Real estate

Product Experience

Api for legacy services, Online marketplace, Client comunnication, Project for telecommunication company, Billing system, Marketplace, real estate portal, Analytics tool

PORTFOLIO HIGHLIGHTS

Nov `16 – Mar `17

4 months

API for legacy system

Full Stack Developer

Took part in creating an API interface for connection legacy system with the user-friendly management console, creating app templates, creating the user interface.

Product Company

A portal provides API interfaces for services without API. Takes part in creating API interface for connection legacy system with user-friendly managements console, creating app templates, creating user interface.

Technologies Stack:

Express.js Java Liferay Node.js React.js Webpack Redux

Industry:

Information services & Technologies

Product:

Api for legacy services

Dec `14 – Oct `16

1 year

Mobile operator portal for support staff

Full Stack Developer

Took part in creating UI using AngularJS, creating friendly data presentation on UI, creating two-factor authentication.

NDA

A portal provides services to analyze mobile device usage, payment reports, export, workflows, etc.

Technologies Stack:

AngularJS Express.js Hibernate Java JavaScript JBoss JBoss Seam Liferay Node.js Oracle Bootstrap Spring Framework

Industry:

Logistics & Transportation, E-Commerce & Retail

Product:

Online marketplace

Oct `14 – Dec `14

2 months

Slack like chat application

React Developer

Took part in integrating Redmine API, creating REST API, designing a database schema, creating a user interface, creating service/database/security layer, creating a sharing file algorithm.

Startup company

Web application for users communication. Take part in integrating Redmine API, creating REST API, designing a database schema, creating service/database/security layer, creating a user interface, creating a sharing file algorithm.

Technologies Stack:

Hibernate Java MySQL Node.js React.js XML Apache Tomcat Bootstrap IntelliJ IDEA JDBC JSON Spring Security Spring Data WebSockets Redux

Industry:

Social Media & Communication

Product:

Client comunnication

Sep `13 – Sep `14

1 year

Telecommunication reseller portal

Full Stack Developer

Took part in creating a calculation algorithm, matching external calculation with portal calculation, creating a flow for configuration public services.

A portal provides the ability to control telecommunication services. Includes billing system, quality control system. Creating a calculation algorithm, matching external calculation with portal calculation, creating a flow for configuration public services.

Technologies Stack:

Hibernate Java jQuery Bootstrap Spring Security jQuery UI MSSQL

Product:

Project for telecommunication company, Billing system

Jan `13 – Jun `13

5 months

Portal lottery of the villas rent

Full Stack Developer

Created admin portlets for managing users and lottery chances for users.

NDA

A portal provides service for villa's owners to put up their villas for auction. Owner provides photos, location and indicates the lowest rent price for a given period of time. A user set betting for a particular lot.

Technologies Stack:

Hibernate Java Liferay XML Spring Framework Angular 1x Gulp

Industry:

Construction & Real estate

Product:

Marketplace, real estate portal

Mar `12 – Dec `12

9 months

Company chat application

Angular Developer

Took part in integrating Redmine API, creating REST API, designing a database schema, creating a user interface, creating service/database/security layer, creating sharing file algorithm.

Mobile Company

The portal provides services to analyze mobile device usage, payment reports, export, workflows, charts. Take part in integrating external JMS with web sockets, creating portlets using Angular JS, creating reports using jasperServer, creating friendly data presentation on UI, creating two-factor authentication.

Technologies Stack:

AngularJS Hibernate Java MySQL Node.js XML Apache Tomcat Bootstrap IntelliJ IDEA JDBC JSON Spring Security Spring Data

Product:

Analytics tool

Sep `11 – Mar `12

6 months

Tax/Tariffs calculation application

Full Stack Developer

Took part in creating Rest API, security layer, database design, calculation.

An informational site with a calculation of tax, tariffs, discounts. Took part in creating Rest API, security layer, database design, calculation.

Technologies Stack:

Hibernate Java JBoss jQuery JPA Spring Framework Spring Security Angular 1x MSSQL

May `11 – Aug `11

3 months

Web-crawler project

Java Developer

Created parse script for migration from old site structure to new site structure (full stack).

NDA

A web-crawler project.

Technologies Stack:

Java XML JDBC Spring Framework XPath HTTP

Industry:

Information services & Technologies

Product:

Marketplace

EDUCATION

Kharkiv National University of Radio Electronics

Master’s degree in Computer Science

Web & mobile development agency #122

Since 2005 the company has been opening the doors of its tech pool with a customer-oriented approach. A stack of our expertise covers Liferay, Alfresco and Hybris platforms in the row with the web and mobile solutions to fill clients needs. Offering software development and customization services, consulting and quality assurance for both startups at their MVP steps and for enterprises, we keep contributing to the open-source community as well. We have a special offer for professional tech startups as dedicated developers for the team extension. Their bundle of knowledge and skills of both mature and hyped technologies are up for grabs. Our extensive and versatile portfolio covers Healthcare, Media, e‑Commerce, Travel & Local, Financial, Telecommunications, Productivity, IoT and other industries where newly minted ventures can get a chance to prove themselves to the world.

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Updated: 19 Sep 2019
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Senior DevOps Engineer / System Administrator
Experienced in developing UI applications using modern web technologies (HTML, CSS, Sass/SCSS/Less, JavaScript (ES5, ES6, jQuery, etc). Hands-on experience in a Unix environment. Highly motivated, exp...
3 Projects completed
GMT+2 East Europe
All rates are indicative, annual rate includes 20% discount
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Updated: 19 Sep 2019