* Maintained whole project from development side as a SL3 engineer* Investigated complex issues within tight time window* Providing development support for critical clients* Found critical yet unknown issue for one of the client reducing system response time by 75%* Brought good practice to data management

• Designed and implemented new solutions for Voice Call processing in a cloud base (GCP) environment• Addressed gaps between classic and new cloud-based solutions, increasing overall project coverage and stability• Implemented new solutions as well as maintained existing codebase up to quality requirements for real-time voice Call Processing and Call Control• Designed and implemented solution to allow secure transfer of domains between not connected datacenters, which allows a quick way of moving customers to different isolated network segments • Provided solution for transferring over 1k customers between connected datacenters without downtime, which reduces time required for the NOC team to address day to day tasks• Designed and implemented a new event system for auditing porpoises• Supported fellow team members through tech talks and discussions of possible improvements in the current solution• Maintained code quality and test coverage up to project requirements(84% LoC)• Participated in an Agile methodology, including daily stand

• Finished internal BigData course with a high mark• Teamed up with clients and business analytics to understand requirements for new BigData functionality• Provided modern way of authentication of users via Okta• Worked on fronted using Vue.js framework

• Implemented new solutions as well as maintained existing codebase up to quality requirements for the Identity Management system• Established new team, participated in the hiring process and then led a team of three people• Designed and implemented DSL for business analytics to allow querying data without SQL knowledge• Implemented DSL, allowing non-IT company staff to quickly configure audit and security rules, without restarting the solution, resulting in a huge time and cost reduction of integration of our solution to customers• Maintained code quality and test coverage up to project requirements (80% LoC)• Proposed to switch to groovy in certain areas of the solution resulting in a reduction of delivery time• Coached junior developers, one of them ended up as Lead developer in the same company within the next 3 years

• Worked on integration of the NetCracker framework to the Optus account• Integrated OSS/J system, maintained and improved during the whole project to meet high performance expectations• Transferred expertise among fellow employees of a branch, bringing valuable knowledge, absent at the branch at the time• Maintained code quality and test coverage up to project requirements (80% LoC)• Worked on Order Management and Fulfilment subsystems• Participated in an Agile methodology, including daily stand ups, continuous

• Worked on integration of the NetCracker framework to the Fastweb account• Worked on integration of the NetCracker framework to the Shaw Communications account• Worked on the Inventory and Order Management subsystems• Delivered all requirements within a deadline with only one defect• Mentored two junior developers till their promotion• Participated in NetCracker Java School as one of the speakers• Maintained code quality and test coverage up to project requirements (80% LoC)

• Developed backend as well as frontend for the real time traffic monitoring• Developed subsystem, allowing to disable certain metrics if criteria are met, reducing analysis cost in case of a major or critical incident• Maintained code quality and test coverage up to project requirements (84% LoC)• Participated in architecture discussions, wrote design documents• Participated in an Agile methodology, including daily stand ups, continuous integration, code review, 3-week iteration, retrospective, etc.

Responsibility:* Delivery process from software engineer team to customer* Diagnosed and troubleshooted UNIX and Windows processing problems and applied solutions to increase company efficiency* Ensured network, system and data availability and integrity through preventative maintenance and upgrades* Provided documentation on start-up, shut down and first level troubleshooting of processes to help desk staff* Automation of working processTechnologies:Java6, C++, OpenVMS, Oracle

I was the first System administrator hired in the company and was the only one for a half of the year. In my responsibilities was included build, configure and maintain a network for about 20 apple computers, prepare working places for a new employees, deliver working eqipment to a remote employees.