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Roman

  • Java

Roman is a Java software engineer​​ with​​ over 5 years of experience. He works with multithreading and large distributed systems and is an expert in implementing software integrations with third-party services.

Roman and more developers are now available for hire.

Hire Roman

Skills and Qualifications

Languages

  • Java

Frameworks

  • Spring Boot
  • Spring Data JPA
  • Spring Core
  • Spring MVC
  • Hibernate

Libraries/APIs

  • Twilio API
  • Skype Bot API

Tools

  • Git
  • JUnit
  • Mockito
  • Bamboo
  • Jenkins
  • SonarQube
  • IntelliJ IDEA
  • Maven
  • Tomcat

Other

  • XML
  • Apache Tribes
  • Atlassian products

Data bases

  • MySQL
  • PostgreSQL

Projects

Insurance System

Senior Java Developer

This application was a health insurance system (dental) for people with bad credit history in the United States. Roman actively participated in the development of new features, including one related to the change in the business logic for processing data from a third-party credit history system.


  • Spring (core
  • Boot
  • Data JPA
  • Security)
  • PostgresQL
  • Hibernate
  • REST Web Services
  • Maven

Audit System

Middle Java Developer

This system is designed to simplify the work of auditors and administrators who do internal audits. Instead of manual manipulation of data, the system provides a user-friendly interface to automate a lot of work. Roman developed a layer to communicate with each company’s 1C server to get the information necessary for internal audits and send necessary information back to 1C server when it is required. He also developed REST API for the client interface to alter the data in the system. Roman also designed and developed a DB structure to store sensitive data.


  • Spring (core
  • Boot
  • Security
  • Data JPA)
  • MySQL
  • REST Web Services
  • Maven
  • Git

Unified Platform for a Digital Customer Assistance

Java Developer

This project was a distributed system that contains elements with different responsibilities. These elements communicate via Apache Tribes. There are several types of users - customers (people who need assistance with some questions) and agents (live people or virtual assistants that help the customer). Roman developed a layer to integrate third-party message services (Twilio, Facebook, Twitter and etc.) into the commerce system . He also fixed bugs and did code refactoring.


  • Java 8
  • MySQL
  • JDBC
  • Spring (core)
  • Twilio API
  • REST Web Services
  • Maven
  • Git
  • Apache Tribes

CV Search System

Java Developer

This system collects data about new vacancies from a list of job sites and notifies HR via skype. Roman developed a crawler to get and parse data from different jobs sites at configured intervals. He then set up Skype Bot and used it to send notifications to the company HR's chat.


  • Spring (core
  • Boot)
  • Jsoup
  • Skype Boot API
  • MySQL
  • JDBC
  • Maven
  • Git