Kyivstar / Kyivstar Tech
Golang Developer
2020-now
Kyivstar Open Telecom
Design, development and maintanance of developer portal and API gateway for telecom
company
Contractor
Golang Developer
2019-2020
Teaching strategies
Rewite, feature development and bugfix of teaching process management solution.
Edvantis
Golang Developer
2017 – 2018
Drilling info
Involved in Natural resources management app development. Fixed and improved
authentication and client entitlement services after Red Hat SSO migration
Lohika
Java developer
2013-2017
Trane
Responsible for development of energy management system. Implemented metrics
calculation related to utilities (electricity, gas, water etc.) like regional
rollup, usage prediction, budget projection etc.
Implemented alerting system and meter data filtering and interpolation
Fixed countless issues in background services and web application
Tidemark
Short description: Development and bug fixing of enterprise performance
management software
Responsibilities:
Implemented user task scheduling services. Fixed thread pooling issues
Tools: Spring, Spring MVC, Protocol Buffers, JDBCtemplate, Quartz, Jackson,
postgresql, Maven, Git, NetBeans
N-IX
Java Developer
2011-2013
OpenText
Designed and developed mobile client build management app from scratch.
Lead junior members of the team
Developed HTTP resolve server for applications requested by client and
administration UI application for it.
Reverse-engineered and bug fixed legacy application for build management
Implemented and optimized fallback HTTP server for proprietary binary
protocol
GlobalLogic
Java Developer
2010-2011
WDS
Implemented various background services and web application for phone
showcase and retail
WeComm
Implemented data providing backend and integrated with user interface built with
proprietary software
Implemented certificate management portal for mobile client rebranding
application
Nice Systems
Developed the extension for video streaming server
Fixed threading/socket/JNI video publishing issues, optimized performance of
live streaming video publishing, integrated with video encoding software service