Worked in continues delivery team and improved continues delivery platform.

Improvements of a system - when I was a part of a team which should improve system stability I made several proposals and implemented them which resulted in improved system observability, eliminating data loss, and optimized internal processing time.

Improvements of a system - when I was a part of a team which should improve system architecture I introduced integration tests, migrated to a new version of database without downtime and proposed a plan to improve team knowledge which resulted into improvements of service architecture introduced by another engineer.

Ukraine Air Alarm - when the Russian-Ukrainian war started on 24 February 2022 I was involved in the creation system architecture and development of the air strike alarm system for Ukraine during which I created and architecture, managed engineers and released the initial version of an application which saved a lot of lifes.

Installation business - at Ajax Systems clients required the ability to adjust equipment throughout mobile and desktop applications, my responsibility was to lead a cross platform team of 20 engineers and deliver software for iOS, Android, Windows and MacOs, I managed a team and successfully delivered new features.

Developer's infrastructure deploy in AWS - when I worked as individual contributor I recognized that testing of a system in an isolation by developers is impossible for achieve, after that I proposed an architecture for deploy full system infrastructure individually for each developer in AWS and implemented it, this decreased time to marked and increased system stability, because developers tested their features faster.

Launch a new product - when I was one developer at a new startup I should create architecture and implement it for a new product, I collaborated with CTO and CEO, implemented features and dealt with the chaos of startup launch, after which startup was successfully launched and earned first money.

User interface for data design - when I worked on simplifying designing data for clients with a CTO I received a task to create a graphical editor for OrientDB inside the Orienteer platform which I successfully completed and it provided clients a possibility to create their data design without code.

Module system - when I worked on increasing customizations possibilities of a platform with CTO, I received a task to make customization without server reload which I completed by adding a plugin system which allowed clients to customize server without any code.