I am a senior front-end engineer working in online education and online bank trading project.Responsible for architectural decisions and design and implementation of new web applications and micro services for bank software complex using: Typescript (I was part of three team members responsible for a legacy code migration from JavaScript to TypeScript); Javascript (efficiently and in short time developed a Javascript based MVP for EdTEch (educational video library with added registration to global events functionality), therefore securing integration with client's system); React (developed one web application from zero and re-wrote another using React-Redux); Nodejs (took responsibilities after departure of the sole Node.js developer, and developed the functionality of dynamically saving data entered by user)I became responsible for releases and internal team processes:Fourfold reduced amount of complains from clients, overlooked release preparation.Created the release preparation checklist which is now used by the organization.Spearheaded the RCA process after the release flops, resulting in great reduction of critical post-release problems (50% reduction).Mentored two young colleagues in React and onboarded them into the project for two months.Stood up for team leader during his vacations and sick leaves, or during busy and crunch times.

Developed a web portal for the clients of video monitoring and video surveillance systems.Video streaming from street and home cameras to the portal; user interface for switching between the cameras on map.Integration with Yandex (Yango) Maps and OpenStreetView.I've optimized high-load part of application (displaying many cameras on the map and handling user interaction with map), discussed new product opportunities with the clients, and provided regular feature development and bug fix.Participated in 10-people project for street cameras remote control.Provided project documentation for my areas of work.Technological stack: Typescript (provided solution for maps zooming and grouping of camera icons on the map; map drawing); React and React-Redux (work with map widgets);Saga (asynchronous business logic implementation using Saga technology).I've discussed new product opportunities with the clients, and provided regular feature development and bug fix.

Worked as senior software engineer in field of telecommunication, as part of the team responsible for the video conference application for Avaya Inc. (2 years)After this I switched to project related to the collection and presenting of housing and communal services meters data for Avaya Inc. (another 2 years).Responsibilities:Providing value and features in the code;Architecture design discussions with the clients;Implementation of the new product features;Clarification of the requirements and feature requests with the clients, business analyst and backend developers;Legacy code support for UI and middleware.Junior developers mentoring.Technological stack: React (I developed a new React application based on the existing React Native framework); JavaScript (redeveloped an existing legacy application using new JavaScript stack which reduced time and cost required for application support); ExtJS framework (bug fix for the communal services meters portal);Saga (business logic and client-server communication); Electron;

Feature development for the ERP system using Pure JS and Oracle SQL BE procedures. I was involved to the both front-end and back-end parts of application, but mostly I've developed the web part.I created client part for the high-load map module (about 10000 map objects) and implemented visualization mechanism for the industrial equipment (displaying dependencies between parts of industrial equipment as a graph).Technological stack:HTMLJavascriptJQuerySQL

I was a part of a team responsible for UI development for data mark-up.I was a C++ developer and also was responsible for providing service Python script.Technological stack:PythonC++

I worked as Automotive software developer for UI and middleware part for Harman client.Technological stack: HTMLJavascriptJQueryJQuery UII've been participating in creation a new automotive application which allowed user to see automotive sensor signals and manage car devices. I've created middleware part which could handle BE API calls and UI part, which could display it.