Denis Volkhonsky

Experience

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  MARS, P&G, Nutricia, Ecolab

  Jan 2007 - Jan 2018

  Sales manager (RSM, TSM, Supervisor)

  • Retail Sales Execution• Team Management at the Distributor• Regional Sales Management• Central Region Sales Management in Ukraine

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  GoIT - start your career in IT

  Apr 2017 - Apr 2018

  Student

  Offline courses GOIT Frontend (9 month):• JavaScript (ES5) and ES6(basics)• ReactJS• HTML5, CSS3, SCSS, media request • Bootstrap, Materialize, Flexbox, Grid (basics) • Soft skills (Scrum), Agile• Git, GitHub, Web-Storm• DOM, MVC, OOP• Chrome devtools• AJAX, JSON, API

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  Lightfoot

  Mar 2018 - May 2019

  Frontend Developer (React)

  • Developed new vehicle tracking and monitoring reports.• Migrated the entire application from React v.15.6 to 16.8.• Increased page loading speed by 700ms. • Removed JQuery and other libraries. Bundle reduced by 50%.• Created calendar from scratch.• Participated in writing E2E tests.

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  Intellias

  May 2019 - Dec 2021

  FullStack Developer (React, TypeScript, Next.js, Zustand, Tailwind, Node.js)

  • Participated in 2 different projects (Taxy.io, Amdocs). Writed Frontend and Backend parts of application.• Implemented from scratch using React, TypeScript and Next.js, such parts of the application as registration, 3 tables, 12 forms for uploading personal data for end users, created HTTP server with MongoDB, authentication, file loader using Node.js and Express etc.• Created registration form, 3 tables with pagination, "live search", modals and 5 types of reports for German tax consultants.• Designed and developed a user interface for a mobile operator that helps to register a new subscribers in the system.• Maintained the core of Amdocs telecoms E2E application with a 20% increase in test coverage. Show less

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  Capgemini Engineering

  Dec 2021 - Mar 2024

  Frontend Developer (React, TypeScript, React-Query)

  • Designed and Implemented 5 widgets for ServiceNow, PagerDuty, DataDog, Jira cloud & server. • Written detailed technical documentation for 5 widgets.• Implemented integrations via iframes on the frontend side, provided real-time monitoring and incident management between PagerDuty and systems such as ServiceNow, DataDog, Jira Cloud, and Jira Server.• Implemented more than 8 different scenarios behavior of UI with complex logic.• Reduced app load time from 3 seconds to 1.2 seconds, resulting in a 15% increase in app user engagement.• Created 45 unit tests cases for ServiceNow.• Actively participated in the organisation of all Scrum ceremonies and creating user stories.• Contributed significantly to numerous refinement meetings within cross-functional teams. Show less