VN
Ukraine
UTC+02:00 (Europe/Kiev)
Vyacheslav N.
Senior Java Developer
Higher Education Computer Science
£65,000£52,000/YEAR
20% discount on yearly basis
All rates are indicative, annual rate includes 20% discount
£4,900/MONTH
£32/HOUR

Expertise

Core technologies

Java 5 years
J2EE 5 years
Spring 5 years
JavaScript 4 years
SQL 5 years
Liferay 4 years

Other technologies

GitLab

Portfolio Highlights

Jan `17 – Present
3 years

Qardio, Inc.

Backend for the application to work with patients and doctors. Includes different types of profiles, viewing statistics, managing alerts, graphics. Managing patient and doctor invitations (registration flow), clinic creation and registration, managing license keys for clinic subscription (BASIC/PRO). Contains generating summary/HL7/MIT-BIH/ECG-diagnostic reports features. Pure Rest server with all standard components.

Java Developer

Developing, bug fixing, writing documentation (in confluence) helping the QA team with testing sometimes.

Amazon S3
Java
Gradle
JPA
JUnit
Memcached
Mockito
OAuth
Jackson
Spring MVC
TestNG
Jan `15 – Present
5 years

Hubble Support Portal

Administration and support Liferay Web portal. Set of portlets for tracking users, devices, shipping, charts, statistics, etc.

Java Developer

Developing, test coverage.

Java
jQuery
JSP
Spring
Amazon MWS
Bootstrap
JSTL
Portlets
Spring MVC
Braintree
Jul `17 – Aug `17
1 month

Equilibrium Enterprises, Inc

It is a mobile client for the website directory.thehabitfactor.com. The Habit Factor® is a choice of professionals for positive behavior change and habit development. With the regular use of The Habit Factor® users can develop any habit necessary to achieve any goal they set for yourself.

Java Developer

Developing, test coverage.

Hibernate
Java
jQuery
JSP
Spring
Bootstrap
JSTL
Portlets
Spring MVC
Jan `15 – Aug `17
3 years

Qardio, Inc.

Qardio public API REST server. Main functionality: user registration, measurements management – bp, weight, ecg; device management – usage statistics and registration, firmware management – getting the latest available version, sharing measurements data to friends & family and doctors, groups & goals, customer orders and payments (Braintree/Apple Pay), reminders, push notifications, FAQ, tooltips, setting – weight/height units, locale, application configuration, etc.

Java Developer

Developing, bug fixing, writing documentation (in confluence) helping the QA team with testing sometimes.

Amazon S3
Java
JPA
Memcached
OAuth
Jackson
Spring MVC
Dec `15 – May `16
5 months

Qardio, Inc.

Authorization for iOS, Android Apps users and Qardio Partners (Third Parties). Contains also developer portal for Qardio Partners – it allows registration/configuration partner applications - client/secret keys, push URL, permissions.

Java Developer

Developing, bug fixing, writing documentation (in confluence) helping the QA team with testing sometimes.

Java
Memcached
OAuth
Spring Security
Spring MVC

About me

+ 5 years of experience in Java and related technologies development, and 4 years of experience in Liferay development. Proficient in J2EE, JSP, Servlets, Spring Core, Web, MVC, JDBC, OAuth2, Security, SQL, MySQL, PostgreSQL, etc. A hard-working and detail-oriented engineer. Exceptional problem-solver with strong analytical skills.

Web & mobile development agency #122

100-400
Kharkiv/Ukraine
GMT+2
Core Expertise
Ajax
Alfresco
Amazon API
Amazon EC2
AngularJS
ASP.NET
AWS
CSS
Hibernate
HTML5
Hybris
Java
JavaScript
Liferay
Linux
MongoDB
.NET
Node.js
PHP
PostgreSQL
Python
React.js
React Native
Ruby on Rails
Scala
Shopify
Spring
SQL
Vaadin
Web Development
Windows
WordPress
Android
Automated Testing
Bootstrap
Cucumber
Demandware
DevOps
Git
Icefaces
IntelliJ IDEA
iOS
JSON
Laravel Framework
Mobile
Selenium WebDriver
Software QA Testing
Adobe Illustrator
Adobe Photoshop
Project management
Redux
Vue.js
Maven
GitLab
Firebase
Industries
E-Commerce & Retail, Information services & Technologies, Advertising & Marketing, Service & Support
Since 2005 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.