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Dmitriy S.
Available: 28 Jun 2018
SENIOR
Java developer with strong back end backround
Industrious and responsible engineer with up to 10 uears of experince in backend developement, focused on Java for 4+ years.
All rates are indicative
GMT+3
Dnipro, Kyiv/Ukraine, New York/USA

EXPERIENCE

Industry Experience

Advertising & Marketing, Healthcare & Medicine, Social Media & Communication, Logistics & Transportation, Education & Science, E-Commerce & Retail

Product Experience

Online advertisement application, Real-time messaging app (enables chatting/ audio-/ videocalling), Social network-oriented online video chat, in-vehicle entertainment application, Community platform, mobile social networking tool, Web-based apps, Redesign web site, Community-oriented location based application, social network

PORTFOLIO HIGHLIGHTS

Aug `17 – May `18

9 months

Mabaya

Java developer

Develop and support import data, campaigns, reports, advertising and statistic functionality. Amazon (Redshift, RDS, Lambda, S3)

Mabaya

Online product promotion system, helping online retailers and marketplaces to promote their products in relevant searches and pages.

Technologies Stack:

Amazon API Java Cucumber Gradle JUnit Spring Boot

Industry:

Advertising & Marketing

Product:

Online advertisement application

Sep `16 – Mar `17

6 months

MDChat

Java developer

Design and develop new part of application (OnCall) for live operators, IVR systems and other 3-rd party services.

Mobile Health One

MDChat application is designed for healthcare professionals and offers them secure, point-to-point, real-time access to other healthcare professionals – physicians, nurses, support staff and administrators – via any computer or mobile device.

Technologies Stack:

Java PostgreSQL Gearman Redis Spring Security Spring Data Maven Spring Boot

Industry:

Healthcare & Medicine

Product:

Real-time messaging app (enables chatting/ audio-/ videocalling)

Dec `16 – Jan `17

1 month

TikiChats

Java developer

Project stabilization, add monitoring system, improve performance, improve development process.

SW Company

TikiChats - online chatting app

Technologies Stack:

Java Java EE MySQL JPA Spring Security Spring Data WebSockets Maven

Industry:

Social Media & Communication

Product:

Social network-oriented online video chat

Aug `16 – Dec `16

4 months

Detect Driver Prototype

Java developer

Implement prototype for recognition driver by driver style. Collect driver data, normalize and push to TensorFlow. Uses neural network with supervised learning.

inhouse

prototype app for evaluation of driver by driving style

Technologies Stack:

Java MongoDB Spring Security Spring Data Maven TensorFlow Spring Boot

Industry:

Logistics & Transportation

Product:

in-vehicle entertainment application

Mar `16 – Aug `16

5 months

Welpy

Web-developer

new features development, bug-fixing

Welpy Inc

Welpy is a Market network , which offers the best of both, social network and marketplace. Users can access a community to find help by others users for free, but are also able to connect with a qualified professionals if needed anytime anywhere. To guarantee and protect Users data privacy our System is being developed in accordance with HIPAA standards and will be certified as a HIPAA compliant.

Technologies Stack:

Node.js PostgreSQL Sails.js

Industry:

Healthcare & Medicine

Product:

Community platform

Jun `14 – Jul `14

1 month

Musketeer

Java/PHP developer, architect

Architecture development, high load tests, incident functionality, real time functionality, logger functionality, geo data process.

Musketeer Inc

Musketeer is a network of volunteers, willing to help others in difficult or emergency cases. By using a mobile application person can ask for a help or provide an assistant to other person.

Technologies Stack:

Java MongoDB MySQL Node.js Capistrano Elasticsearch Redis Spring Framework Composer Doctrine 2 Npm RabbitMQ Symfony2 Kibana Logstash PHPUnit Maven SockJS

Industry:

Social Media & Communication

Product:

mobile social networking tool

Jul `13 – Jul `14

1 year

B2Lead

Web-developer

Users functionality, send mails functionality, mailer integrations (ReachMailer, Ongage, Adopia), Amazon Route53 integration, create java prototype for realtime functionality, statistic functionality, Crocodoc integration, SalesForce integration (REST API and Bulk API), take part in schedule functionality, auto deploy integration (Capifony/Capistrano) add custom recipes, log system integration, move process statistic to nodejs.

B2Lead Inc.

System is a web-based application which allows managing white papers content, distributing this content through e-mail campaigns and tracking addressees’ activities over the content they got.

Technologies Stack:

Java MySQL Node.js Socket.IO Spring Capistrano Elasticsearch Redis Composer Doctrine 2 Npm Symfony2 Kibana Logstash PHPUnit

Industry:

Advertising & Marketing

Product:

Web-based apps

Jun `12 – Jul `13

1 year

MDChat

Team Lead

NodeJS server, realtim functionality, message system, cache system, RESTful API for mobile devices, themes, implement java workers with statistic processing, Amazon S3 integration (PHP, NodeJS), Encryption functionality (PHP, Solr), Event logger.

Mobile Health One

MDChat application is designed for healthcare professionals and offers them secure, point-to-point, real-time access to other healthcare professionals – physicians, nurses, support staff and administrators – via any computer or mobile device.

Technologies Stack:

Java Node.js SOA Spring Gearman Memcached Redis Composer Doctrine 2 Npm Symfony2 Solr

Industry:

Healthcare & Medicine

Product:

Real-time messaging app (enables chatting/ audio-/ videocalling)

May `12 – Jun `12

1 month

CUMC

Web-developer

Site development

Columbia University Medical Center Department of Obstetrics and Gynecology

redesigning of the current web site

Technologies Stack:

MySQL WordPress

Industry:

Education & Science

Product:

Redesign web site

Mar `12 – May `12

2 months

LV WOOD

Web-developer

Site development

Mokamedia

System is the WordPress website-catalogue of client products (wooden floors) that is created to allow customers narrow down their choice before getting to the physical shop for actual purchase.

Technologies Stack:

MySQL WordPress

Industry:

E-Commerce & Retail

Product:

Redesign web site

Nov `11 – Mar `12

4 months

CityMaps

Web-developer

Scripts system, queue system.

CityMaps

CityMaps is a web based project, similar to foursquare, user can search for places on the map.

Technologies Stack:

PostgreSQL Symfony Doctrine ORM

Industry:

Social Media & Communication

Product:

Community-oriented location based application

Jul `11 – Nov `11

4 months

MoxMe

Web-developer

Permissions & Roles system, CRUDs, etc.

SW Company

MoxMe is a concept of social networks integration. Facebook project is intended to re-write MoxMe facebook apps to use iFrame (instead of FBML) and make it work with central MoxMe DB (current a[[ works with separate DB). Facebook app consists of number of widgets, group communities, events calendar, blog, on-line courses. Facebook project is a part of MoxMe system and one of the projects in the queue.

Technologies Stack:

jQuery MySQL Zend Framework

Industry:

Social Media & Communication

Product:

social network

EDUCATION

THE NATIONAL ACADEMY OF ENVIRONMENTAL PROTECTION AND RESORT DEVELOPMENT

Economic Cybernetics, Specialist

Software development agency #164

A premier software development company partnering for success with the most dynamic and successful start-ups and enterprises

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