Avatar of Ihor Hryshkov.
Ihor Hryshkov
Software Architect, Team-Lead, Tech-Lead, CTO, Software Development, Software Design, Database Design, Business Logic Design, Software Engineering.
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Ihor Hryshkov

Software Architect, Team-Lead, Tech-Lead, CTO, Software Development, Software Design, Database Design, Business Logic Design, Software Engineering.
My work coincides with my hobby, and I really love my hobby, so when I develop software I give myself completely to work.
Leeloo.ai
Donetsk State Institute of Artificial Intelligence
Kyiv, Ukraine, 02000

Professional Background

  • Current status
    Unemployed
    Not open to opportunities
  • Profession
    Project Manager
  • Fields
    Software
  • Work experience
    10-15 years (10-15 years relevant)
  • Management
  • Skills
    Java
    Spring
    Spring-Boot
    Hibernate
    Kafka
    Android
    Objective-C
    iOS
    Python
    JS
    NodeJS
    ExpressJS
    RequestJS
    SequelizeJS
    AjvJS
    ReactJS
    ReduxJS
    SagaJS
    AxiosJS
    JavaFX
    JPA
    RabbitMQ
    HTML
    CSS
    XML
    UML
    XSD
    JSON
    SOAP
    SIP
    RTP
    RTMP
    RTSP
    WebSocket
    DevOps / CI / CD
    Ansible
    Rancher
    Jenkins
    Prometheus
    Grafana
    Docker
    Docker Swarm
    Docker Machine
    Europa
    Redmine
    Kubernetes
    Vault
    Helm
    Gitlab
    MySql
    Postgres
    Mongo
    Redis
    ElasticSearch
    Windows
    Linux
    MacOS
    NetBeans IDE
    Eclipse
    IntelliJ IDEA
    Software Development
    Software Design
    Database Design
    Business Logic Design
    Software Engineering
    Software Architect
    Team-Lead
    Tech-Lead
    CTO
    So-Called RESTful
    RPC
  • Languages
    Ukrainian
    Native or Bilingual
    Russian
    Native or Bilingual
    English
    Beginner
  • Highest level of education

Job search preferences

  • Desired job type
    Part-time
    Interested in working remotely
  • Desired positions
    Software Architect, Team-Lead, Tech-Lead, CTO, Software Development, Software Design, Database Design, Business Logic Design, Software Engineering.
  • Desired work locations
  • Freelance

Work Experience

CTO

Leeloo.ai
Full-time
11월 2022 - 5월 2023
7 mos
Kyiv, Ukraine, 02000
Working on the big platform to sales and marketing, analyzing technical side, upgrading technical side, researching the new technical solutions, creating technical plan for integrating of new features of the product, building the new team. Management and studying of IT and development teams. Meetings with sales, business owner, customer support, accountant, CFO and CEO to analyze their problems and searching solutions in the product.

Architect, Team-lead, JS back-end developer

12월 2018 - 3월 2019
4 mos
Developer back-end crypto(blockchain)-processing system, data and project architect. Use technologies Node.JS(Sequelize, Express, REST, Rabbit etc), PostgresDB. Create data models, deployment diagrams, REST API and other docs. Develop base codebase and micro-services pattern for other team developers. Create crypto payment system based on micro-services architecture etc.

Team-Lead, JS back-end developer

3월 2018 - 12월 2018
10 mos
Developer back-end crypto(blockchain)-processing system. Use technologies Node.JS(Sequelize, RPC etc), PostgresDB, Mongo, integration to system new providers for crypto-coins, add new state system for callback services, integration new staff to project, team-building, integration new technologies to old system, make little bit reporting system, education old and new staff.

JS back-end developer

2월 2018 - 4월 2018
3 mos
Developer back-end crypto(blockchain)-processing system. Use technologies Node.JS(Sequelize, RPC etc), PostgresDB, Mongo, add new clearing system and fix little bit problem in current version back-end processing.

Architect, Tech-Lead, Back-end developer

9월 2017 - 12월 2017
4 mos
Architect system "WebPOS"(EasyPay), Tech-Lead system "WebPOS"(EasyPay), back-end developer "WebPOS" (EasyPay) payment system. Use technologies Node.JS(Sequelize, Express and other), PostgresDB, REST API(JSON), RabbitMQ. Create micro-services for connect to main back-end project EasyPay.

Architect, Tech-Lead, DevOps, Full-Stack developer

6월 2017 - 9월 2017
4 mos
Architect system "E-Wallet"(EasyPay), Tech-Lead system "E-Wallet"(EasyPay), full-stack developer "E-Wallet" (EasyPay) payment system. Use technologies Node.JS(Sequelize, Express and other), PostgresDB, REST API(JSON), Kafka, Swift(and some frameworks), Android SDK(and some frameworks). Create micro-service for connect to main back-end project EasyPay.

Architect, Team-Lead, NodeJS developer

11월 2016 - 6월 2017
8 mos
Developer back-end payment system. Use technologies NodeJS(Sequelize, Express and other), PostgresDB, REST API(JSON), Kafka, micro-services architecture based on Docker.

Architect, Team-lead, Java developer, DB designer

8월 2016 - 9월 2016
2 mos
Portal journalistic investigations "E-Data Club". Develop information portal project. Use technologies: J2EE(Spring-Boot), Hibernate, MongoDB, Postgres, REST API(JSON), Jersey, Solr, RabbitMQ, OAuth2 and Tomcat with Jenkins.

Architect, Team-lead, Java developer, DB designer

5월 2016 - 9월 2016
5 mos
Develop E-Commerce and Market Place business project and Social Network project. Use technologies: J2EE(Spring-Boot, JMS), Hibernate, MongoDB, Postgres, REST(JSON), Jersey, Solr, RabbitMQ, OAuth2 and Tomcat with Jenkins.

Team-lead, Architect, Full-stack developer

12월 2011 - 6월 2016
4 yrs 7 mos
Create card game systems using technologies Objective-C, Java, J2EE, JSON, JPA, Android SDK, JavaFX, iOS SDK, CQRS, Tomcat, MySQL. Create task for Windows Phone Developer(C#), Web Developer(PHP,JavaScript) and Designer. Project on paused.

Team-lead, Java back-end developer, DB designer

1월 2016 - 3월 2016
3 mos
Create back-end, back-office and design database in project "Live Night 365" and using for this technologies J2EE, JSON, Hibernate, Spring and Tomcat. Team-lead for iOS, Android and J2EE developer in old project "Skill On Sports". Support project "platform" using Scala.

Team-lead, Full-stack developer, DB designer

2월 2015 - 1월 2016
1 yr 0 mos
Add new future and fix legacy code bugs in Web Services using technologies J2EE, JSON, Hibernate, Spring and using Tomcat, Add new future and fix legacy code bugs iOS client and develop new Android client. Team-lead for iOS, Android and java back-end developers. Deploy on production project "Skill On Sports" and supporting.

Team-lead, Java back-end developer, DB designer

10월 2014 - 2월 2015
5 mos
Create Web Services using technologies J2EE, JSON, JPA, and using TomEE, MySQL for web site, create task for Web Developer and create task for Designer in Redmine.

Java back-end developer, DB designer

1월 2014 - 9월 2014
9 mos
Create Web Services using technologies J2EE, JSON, JPA, and using TomEE and DB MySQL for system automatically petrol filling stations, the system handles requests from controllers, stored in the database and allows client-side monitor and control various processes petrol filling station.

Team-lead, Android, iOS developer

6월 2013 - 12월 2013
7 mos
The project to purchase tickets for all type of transport with Android, iOS and Windows Phone platforms. The project participated as Team Leader: Graphics Design and develop Windows Phone, Developer: Android and iOS.

Java mobile, Java back-end and Android developer

1월 2011 - 4월 2011
4 mos
Develop a program to photograph and modify images, add messages, and send a follow-on social network Twitter, Facebook and E-mail(Servlet), for the J2ME platform used LWUIT Framework, a version for Android applied Android API 1.6-2.1.

Java mobile developer

1월 2011 - 2월 2011
2 mos
Development of mobile booklet "Poster", using LWUIT Framework, on the platform J2ME.

Java back-end developer

12월 2010 - 1월 2011
2 mos
Working out of the interface of interaction between the Manager and the monitoring system of calls in IP a telephony, at use Java web technologies.

Java mobile developer

10월 2010 - 12월 2010
3 mos
Working out mobile software for a help to engineers of mobile communication stations.

Java mobile developer

10월 2010 - 11월 2010
2 mos
Working out mobile software for sending and reception SMS with using specification JSR-120.

Java mobile and plugin developer

8월 2010 - 10월 2010
3 mos
Working out of the mobile client (J2ME), and a plug-in for server OpenFire (J2SE) for mobile taxi system.

Java back-end developer

5월 2010 - 8월 2010
4 mos
Updating a kernel of a network server in game Line Age 2 Gracia.

Java mobile developer

3월 2010 - 5월 2010
3 mos
Java mobile game "Labyrinth".

Java desktop developer

2월 2010 - 3월 2010
2 mos
Client manager of a database.

Java back-end developer

12월 2009 - 2월 2010
3 mos
Client-server application that controlling and administration IP traffic.

Java mobile developer

9월 2009 - 11월 2009
3 mos
Working out of the mobile client for social network.

Java mobile developer

8월 2009 - 9월 2009
2 mos
Working out of the mobile booklet.

Java developer, software architect

3월 2009 - 8월 2009
6 mos
Architect and development of pattern recognition system with further image output on a projector.

Java developer, software architect, db designer

11월 2008 - 3월 2009
5 mos
Architecture and development of client/server application, J2SE server(back-end and back-office for taxi operators), J2ME client (front-end for taxi drivers).

Java developer

3월 2008 - 5월 2008
3 mos
Client part development that showing weather and other information in tray using java swing, and parsing XML from API.

Java developer

5월 2007 - 6월 2007
2 mos
Architecture and development of client/server application for using in mobile technologies.

Java developer

1월 2005 - 5월 2007
2 yrs 5 mos
Developing programs for Call Center, development of statistics system, development interface and mail sending/receiving protocol, development of huge arrays sorting system, codec G.729 codec, SIP protocol development, RTP for sending/receiving data in the network, etc (J2SE)

C++ developer

6월 2002 - 10월 2002
5 mos
Games, Client side of system serving clients in big food companies.

Education