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Vladyslav S.
Last update: 23 May 2019
SENIOR
Senior Java Developer
Proficient in Node.js/JavaScript. Experienced in development using Java/Java related technologies (ReactJS, AngularJS). Highly proficient developer with 4+ years of experience in web development. Detail-oriented, exceptional problem-solver with deep analytical skills and good 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

Social Media & Communication, Healthcare & Medicine, Law & Government, Statistics & Atalytics, Advertising & Marketing

Product Experience

Aggregator marketplace, Hospital management web application, configuration management, document management system, Report management portal, Client comunnication, Analytic System, Management application

PORTFOLIO HIGHLIGHTS

Mar `17 – Present

2 years

Mobile distributed server-less big-data applications

Full Stack Software Engineer

Took part in designing and implementing microservices, creating flexible ACL module, integrating chat module (PubNub service), making main architecture decisions.

The app we are building is actually a suite of different apps for companies that own/manage apartment complexes. It will help manage their process for new residents applying for apartments, but it will also be a social media platform where businesses can create special offers for the residents (for example offering 15% off a large pizza if you order in the next 30 minutes).

Technologies Stack:

React.js React Native ES6 ESList AWS SDK Sequelize GraphQL

Industry:

Social Media & Communication

Product:

Aggregator marketplace

Sep `16 – Feb `17

5 months

Hospital management web application

ReactJS Developer

Took part in designing UI, implementing Back-end services, integrating with AWS Cognito authorization.

Startup company

A doctor can register himself and log in, after that he’s able to see a list of patients, filter it and look for a specific patient. After that he can view the patient’s history (previous diagnoses, physical condition, etc.), also he can monitor the patient’s temperature, and some of the main physical body parameters on charts. When there is a new patient, he can add him to the database using a web form, upload his photo, etc.

Technologies Stack:

D3.js JavaScript Node.js React.js Babel ES6 Webpack DynamoDB Redux AWS SDK

Industry:

Healthcare & Medicine

Product:

Hospital management web application

Feb `16 – Jul `16

5 months

Amazon EC2 instance management panel

Java Developer

Took part in creating UI/UX, integrating with AWS EC2 API and designing Back-end flow.

When a user logged in, he can launch/stop/terminate AWS EC2 instances on a preconfigured Windows AMI with FTP server and MS SQL client. A user can add security groups, select custom username/pw for FTP server and Windows. There was an ability to connect to the launched server using a downloadable RDP file, schedule server termination/ stopping/starting. An admin could change AMI and restrict some actions. Each launched instance had its own DNS created via AWS Route 53 API.

Technologies Stack:

Angular 1x Babel ES6 Webpack AWS SDK

Product:

configuration management

May `15 – Sep `15

4 months

Multilingual document management system

Java Developer

Took part in creating UI and implementing it, was working on index configuration for Elasticsearch and implementing the algorithm for documents match score calculation.

Startup company

A system for document management, it takes care of parsing any type of text files, finding and recognizing main entities in text and index them into Elasticsearch. Gives the ability to look for hits with other documents and calculate coincidence coefficient.

Technologies Stack:

AngularJS Java jQuery MongoDB MySQL Apache Tomcat Bootstrap Elasticsearch JDBC Spring Framework Bower Gulp

Industry:

Law & Government

Product:

document management system

Dec `14 – Apr `15

4 months

Report management portal

Senior Java Developer

Took part in designing and creating UI, creating reports templates and Back-end service for data transformation.

Pharmaceutical Company

The portal provides a connection between Jasper server and Liferay via FTP server and load scheduled reports automatically into a Liferay's portlet.

Technologies Stack:

AngularJS Java Liferay Bootstrap JasperReports SSOAuth

Industry:

Healthcare & Medicine

Product:

Report management portal

Jul `14 – Dec `14

5 months

Slack like chat application

React Developer

Was working on Back-end service and chat API.

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 Apache Tomcat Bootstrap JDBC JSON OAuth Spring Framework Spring Security Spring Data WebSockets Redux Spring Boot

Industry:

Social Media & Communication

Product:

Client comunnication

Jan `13 – Jun `14

1 year

Bigdata Analytics System

Java Developer

Took part in the designing database, creating service layers and flexible query builders for fetching and analyzing requested data.

Collected data from different data sources like Magento, MySQL, Google Analytics. Developed Analytic Metrics. The represented result like a chart, data tables.

Technologies Stack:

AWS MongoDB MySQL PostgreSQL Spark Apache Hive Google Analytics API AWS SDK Hadoop

Industry:

Statistics & Atalytics

Product:

Analytic System

Jul `12 – Dec `12

5 months

Mobile app content management portal

AngularJS Developer

Took part in the designing UI, implementing it, creating Back-end services and designing database schemas.

Communication company

A portal for mobile app management. Gives the ability to fill with a content Android\iOS mobile application. Creates articles, push notifications about some news, manage the app's configuration.

Technologies Stack:

AngularJS Hibernate Java Liferay MySQL Bootstrap Gulp Spring MVC

Industry:

Advertising & Marketing

Product:

Management application

EDUCATION

Kharkiv National University of Radioelectronics

Master’s degree – Photonics and Optical 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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