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Sergey R.
Last update: 18 Jul 2019
ARCHITECT /team lead
Senior Full Stack Developer
Proficient in Java, JavaScript. Experienced in NodeJS, Angular 1/2, React (Reflux, Redux). 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

Works

EXPERIENCE

Industry Experience

Information services & Technologies, Healthcare & Medicine, Advertising & Marketing, Education & Science

Product Experience

Healthcare platform, Internet portal, E-learning Platform, client-server solution for doctors an patients, Customer Service Console Management system

PORTFOLIO HIGHLIGHTS

Feb `17 – Present

2 years

Platform for sharing medical exams

Team Lead

Code Review, Management of team members, Estimates, Communication with customers.

An internal website on the platform that lets you store your medical exams history. You can request studies from previous providers, and share them with your care team online.

Technologies Stack:

Node.js React.js Git Webpack

Industry:

Information services & Technologies, Healthcare & Medicine

Product:

Healthcare platform

Jan `15 – Present

4 years

Platform for review management and online rating tracking

Team Lead

Code Review, Management of team members, Estimates, Communication with customers.

A public website and dashboard intended for managing and collecting business reviews, checking the rating and fixing business online listing (similar to Yelp or Foursquare).

Technologies Stack:

Amazon EC2 Amazon S3 Express.js Node.js PostgreSQL React.js Angular 1x

Industry:

Advertising & Marketing

Product:

Internet portal

Works:

Sep `14 – Present

4 years

Portal for automatic learning

Team Lead

Code Review, Management of team members, estimates, performance tuning.

A portal for the learning process (something between Coursera or Moodle).

Technologies Stack:

Hibernate Java jQuery Liferay MySQL Selenium Spring EhCache

Industry:

Education & Science, Information services & Technologies

Product:

E-learning Platform

Mar `14 – Present

5 years

Health-care RESTful CRM

Senior Java Developer / Architect

Architect high load server, implementation, estimates, performance tuning.

A RESTful CRM server with real-time updates and security. The main goal was to achieve an unfailing server with a possibility to write huge amounts of data from medical devices, and a number of concurrent users are more than 100000. All things were satisfied with the system architecture. The project was developed using TDD methodology.

Technologies Stack:

Java JMS Spring Apache Maven Nginx Redis Test Driven Development Spring Data

Industry:

Information services & Technologies, Healthcare & Medicine

Product:

client-server solution for doctors an patients

Jun `13 – Present

6 years

Devices web-console

Senior Java Developer

Estimating, development.

A web-console of network devices which provides a possibility to manage, diagnose, make reports and live updates.

Technologies Stack:

Google Web Toolkit Java Spring Highcharts SOAP EhCache

Industry:

Information services & Technologies

Product:

Customer Service Console Management system

EDUCATION

National Technical University 'Kharkiv Polytechnic Institute'

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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Highly proficient in Android/Java/React Native and related technologies development. Specialized at creating a different kind of application. Detail-oriented, exceptional problem-solver with deep anal...
5 Projects completed
GMT+2 East Europe
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 18 Jul 2019
All rates are indicative, annual rate includes 20% discount
view Profile
Updated: 18 Jul 2019